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<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>IUGS Commission for the Management and Application of Geoscience Information</title><link>https://cgi-iugs.github.io/</link><atom:link href="https://cgi-iugs.github.io/index.xml" rel="self" type="application/rss+xml"/><description>IUGS Commission for the Management and Application of Geoscience Information</description><generator>Source Themes Academic (https://sourcethemes.com/academic/)</generator><language>en-us</language><copyright>©2026</copyright><lastBuildDate>Thu, 30 Oct 2025 01:19:00 +0000</lastBuildDate><image><url>https://cgi-iugs.github.io/images/logo_hu556023c174f0ef5e821f1e2b97121874_339048_300x300_fit_lanczos_2.png</url><title>IUGS Commission for the Management and Application of Geoscience Information</title><link>https://cgi-iugs.github.io/</link></image><item><title>Newsletter Issue 11</title><link>https://cgi-iugs.github.io/post/newsletter-issue-11/</link><pubDate>Thu, 30 Oct 2025 01:19:00 +0000</pubDate><guid>https://cgi-iugs.github.io/post/newsletter-issue-11/</guid><description><h1 id="newsletter--issue-11--october-2025">Newsletter | Issue 11 | October 2025</h1>
<p>»
<a href="https://cgi-iugs.github.io/docs/2025_CGI_Newsletter_I11.pdf">View this newsletter as a PDF</a></p></description></item><item><title>Annual Report 2024</title><link>https://cgi-iugs.github.io/publication/annualreport2024/</link><pubDate>Wed, 12 Mar 2025 11:11:29 +0100</pubDate><guid>https://cgi-iugs.github.io/publication/annualreport2024/</guid><description/></item><item><title>Newsletter Issue 10</title><link>https://cgi-iugs.github.io/post/newsletter-issue-10/</link><pubDate>Thu, 12 Dec 2024 14:19:00 +0000</pubDate><guid>https://cgi-iugs.github.io/post/newsletter-issue-10/</guid><description><h1 id="newsletter--issue-10--december-2024">Newsletter | Issue 10 | December 2024</h1>
<p>»
<a href="https://cgi-iugs.github.io/docs/2024_CGI_Newsletter_I10.pdf">View this newsletter as a PDF</a></p></description></item><item><title>Annual Report 2023</title><link>https://cgi-iugs.github.io/publication/annualreport2023/</link><pubDate>Tue, 12 Mar 2024 11:11:29 +0100</pubDate><guid>https://cgi-iugs.github.io/publication/annualreport2023/</guid><description/></item><item><title>Newsletter Issue 9</title><link>https://cgi-iugs.github.io/post/newsletter-issue-9/</link><pubDate>Tue, 12 Dec 2023 14:19:00 +0000</pubDate><guid>https://cgi-iugs.github.io/post/newsletter-issue-9/</guid><description><h1 id="newsletter--issue-9--december-2023">Newsletter | Issue 9 | December 2023</h1>
<p>»
<a href="https://cgi-iugs.github.io/docs/CGI_newsletter_2023_December.pdf">View this newsletter as a PDF</a></p></description></item><item><title>Meetings on the Status and Future of Global Geoscience Information Standards</title><link>https://cgi-iugs.github.io/post/global-geoscience-standards/</link><pubDate>Tue, 10 Oct 2023 14:19:00 +0000</pubDate><guid>https://cgi-iugs.github.io/post/global-geoscience-standards/</guid><description><h2>Table of Contents</h2>
<nav id="TableOfContents">
<ul>
<li><a href="#geoscience-information-standards-for-dde-workshop---7---8-november-2023">Geoscience information standards for DDE Workshop - 7 - 8 November 2023</a>
<ul>
<li><a href="#agenda-subject-to-change">Agenda (subject to change)</a></li>
</ul>
</li>
<li><a href="#future-geoscience-information-standards-forum---9---10-november-2023">Future Geoscience Information Standards Forum - 9 - 10 November 2023</a>
<ul>
<li><a href="#agenda-as-participants-are-confirmed-this-agenda-will-be-updated">Agenda (as participants are confirmed, this agenda will be updated)</a></li>
</ul>
</li>
<li><a href="#background-of-geoscience-information-standards">Background of Geoscience Information Standards</a></li>
<li><a href="#present-geoscience-information-standards-landscape">Present Geoscience Information Standards Landscape</a></li>
<li><a href="#the-ongoing-need-for-geoscience-information-standards">The Ongoing Need for Geoscience Information Standards</a></li>
</ul>
</nav>
<p>»
<a href="https://cgi-iugs.github.io/docs/Meetings_Suzhou_Nov2023.pdf">View this article as a PDF</a></p>
<p>CGI in partnership with IUGS’s Deep-time Digital Earth Project are hosting in-person meetings in Suzhou, China, 7-10 November 2023, on the Status and Future of Global Geoscience Information Standards.</p>
<p>There are two meetings, described in more detailed below:</p>
<ul>
<li>7 - 8 November - Geoscience Information Standards for DDE Workshop</li>
<li>9 - 10 November - Future Geoscience Information Standards Forum <strong>(invitation only)</strong></li>
<li>10 November CGI Council Meeting</li>
</ul>
<p>For more information on these meetings contact
<a href="https://cgi-iugs.org/author/dr-zhang-minghua/" target="_blank" rel="noopener"><u>Dr Zhang
Minghua</u></a></p>
<h2 id="geoscience-information-standards-for-dde-workshop---7---8-november-2023">Geoscience information standards for DDE Workshop - 7 - 8 November 2023</h2>
<blockquote>
<p><strong>Kunshan Xin Place Hotel, Suzhou, China</strong></p>
<p>Commission for the Management and Application of Geoscience Information</p>
<p>Deep-time Digital Earth Standards Task Group</p>
<p>Deep-time Digital Earth Secretariat</p>
</blockquote>
<p>The Deep-time Digital Earth (DDE) Project involves many science working groups organized around geoscience domains building interconnected digital information to enable massive-scale computing applications in earth science and Earth history. Effective communication of information relies heavily on the adoption of geoscience standards to ensure FAIRness of data. This workshop will evaluate the current status of geoscience information standards implementation in the DDE science working groups, identify areas where standards could facilitate information exchange and map out the steps needed to achieve good standards implementation. Our <strong>objective</strong> will be to optimize coordination and planning of geoscience standards, to support the success of DDE to enable acceleration of research and provision of benefits to support science to manage earth resources and address challenges of climate change.</p>
<p>The workshop is being coordinated through the DDE Standards Task Group led by Prof. Harvey Thorleifson, Prof. Zhang Minghua, Dr Mark Rattenbury and François Robida.</p>
<h3 id="agenda-subject-to-change">Agenda (subject to change)</h3>
<table style="width:100%;">
<colgroup>
<col style="width: 8%" />
<col style="width: 14%" />
<col style="width: 62%" />
<col style="width: 14%" />
</colgroup>
<thead>
<tr class="header">
<th><strong>Date</strong></th>
<th><strong>Time</strong></th>
<th><strong>Topics</strong></th>
<th><strong>Chair</strong></th>
</tr>
<tr class="odd">
<th rowspan="12"><p>7 Nov</p>
<p>Tue</p></th>
<th colspan="3"><strong>Day 1. Global information standards and the DDE
major science program</strong></th>
</tr>
<tr class="header">
<th>8:00-9:00</th>
<th><strong>Registration</strong></th>
<th rowspan="4">DDE Secretariat, DDE-STG PIs</th>
</tr>
<tr class="odd">
<th>9:00-9:50</th>
<th><p><strong>Opening</strong></p>
<p>Welcome by CGI Chair Prof. Harvey Thorleifson</p>
<p>Address by IUGS President, Prof. John Ludden (TBC)</p>
<p>Address by DDE Secretary general Prof. Natarajan Ishwaran</p>
<p>Welcome by Suzhou City</p></th>
</tr>
<tr class="header">
<th rowspan="2">9:50-10:30</th>
<th><p><strong>Keynote Presentations</strong></p>
<ul>
<li><blockquote>
<p>Role of Geoscience Information Standards for international
initiatives and programs – François Robida (15 min)</p>
</blockquote></li>
<li><blockquote>
<p>The Deep-time Digital Earth major science program – Prof. Hans Thybo
(15 min)</p>
</blockquote></li>
</ul></th>
</tr>
<tr class="odd">
<th>Release of the DDE geoscience information metadata standard – Prof.
Zhang Minghua and Dr Steve Richard (10 min)</th>
</tr>
<tr class="header">
<th>10:30-11:00</th>
<th colspan="2">Group Photo and Coffee Break</th>
</tr>
<tr class="odd">
<th>11:00-12:30</th>
<th><p><strong>DDE Science Working Groups progress and plans:</strong>
with emphasis on standards. (10 min + 5 min discussion each)</p>
<ol type="1">
<li><blockquote>
<p>Geological mapping – Dr Benjamin Sautter and Dr Song Yang</p>
</blockquote></li>
<li><blockquote>
<p>Stratigraphy – Prof. Fan Junxuan</p>
</blockquote></li>
<li><blockquote>
<p>Petrology database and standard (Igneous Rock) – Prof. Wang Tao and
Dr Ding Yi</p>
</blockquote></li>
<li><blockquote>
<p>Geological time standard – Prof. Li Xianhua and Dr Li Yang</p>
</blockquote></li>
<li><blockquote>
<p>Marginal Seas – Dr. Jinpeng Zhang and Xinong Xie</p>
</blockquote></li>
<li><blockquote>
<p>Mineral resource assessment (Porphyry copper) – Dr Yang Jie</p>
</blockquote></li>
</ol></th>
<th>Zhang Minghua</th>
</tr>
<tr class="header">
<th>12:30-13:30</th>
<th colspan="2">Lunch</th>
</tr>
<tr class="odd">
<th rowspan="2">13:30-15:00</th>
<th><p><strong>DDE Science Working Groups progress and plans:</strong>
with emphasis on standards continued. (10 min + 5 min discussion
each)</p>
<ol start="7" type="1">
<li><blockquote>
<p>DDE-China – Dr Liu Rongmei and Dr Cui Ning</p>
</blockquote></li>
<li><blockquote>
<p>Paleogeography – Dr Haipeng Li</p>
</blockquote></li>
<li><blockquote>
<p>Hydrogeology – Prof. Cheng Jianmei and Chen Yanpei</p>
</blockquote></li>
<li><blockquote>
<p>Geomorphology – Dr Li Sijin and Dr Chen Yang</p>
</blockquote></li>
</ol></th>
<th>Zhang Minghua</th>
</tr>
<tr class="header">
<th><p><strong>The DDE Platform and related major geoscience
initiatives:</strong> (10 min + 5 min discussion each)</p>
<ol start="11" type="1">
<li><blockquote>
<p>OneGeology – Matt Harrison</p>
</blockquote></li>
<li><blockquote>
<p>GSEU – Jasna Sinigoj</p>
</blockquote></li>
<li><blockquote>
<p>The DDE Platform – Du Zhenhong</p>
</blockquote></li>
</ol>
<blockquote>
<p>Discussion on current geoscience standards needed for DDE and
concurrent initiatives.</p>
</blockquote></th>
<th><p>François Robida,</p>
<p>Mark Rattenbury</p></th>
</tr>
<tr class="odd">
<th>15:00-15:30</th>
<th colspan="2">Afternoon break</th>
</tr>
<tr class="header">
<th>15:30-17:30</th>
<th><strong>DDE Secretariat &amp; RCE Suzhou visit</strong></th>
<th></th>
</tr>
<tr class="odd">
<th></th>
<th>18:00-19:30</th>
<th><strong>Reception</strong></th>
<th></th>
</tr>
<tr class="header">
<th rowspan="9"><p>8 Nov</p>
<p>Wed</p></th>
<th colspan="3"><strong>Day 2. Geoscience information technologies and
standards</strong></th>
</tr>
<tr class="odd">
<th>9:00 – 10:30</th>
<th><p><strong>The DDE Knowledge System:</strong> (20 min + 10
discussion each)</p>
<ol start="14" type="1">
<li><blockquote>
<p>The DDE Knowledge System – Prof. Zhu Yuanqiang</p>
</blockquote></li>
<li><blockquote>
<p>Construction of Knowledge Graphs for Petroliferous Basin Evaluation –
Dr Tang Xianming</p>
</blockquote></li>
<li><blockquote>
<p>Sedimentology Knowledge Graph – Prof. Hu Xiumian</p>
</blockquote></li>
</ol></th>
<th>Zhang Minghua</th>
</tr>
<tr class="header">
<th>10:30-11:00</th>
<th colspan="2">Coffee Break</th>
</tr>
<tr class="odd">
<th>11:00-12:30</th>
<th><p><strong>DDE Knowledge System and global geoscience
information</strong></p>
<ol start="17" type="1">
<li><blockquote>
<p><strong>Keynote:</strong> Machine-Readable Semantics in Data Science
for Geosciences – Prof. Marshall Ma</p>
</blockquote></li>
<li><blockquote>
<p>CGI and DDE: geoscience terminology – Dr Mark Rattenbury</p>
</blockquote></li>
<li><blockquote>
<p>LOOP Knowledge Management – Dr Steve Richard</p>
</blockquote></li>
</ol>
<blockquote>
<p>Discussion</p>
</blockquote></th>
<th>François Robida</th>
</tr>
<tr class="header">
<th>12:30-13:30</th>
<th>Lunch</th>
<th></th>
</tr>
<tr class="odd">
<th>13:30-15:00</th>
<th><ol start="20" type="1">
<li><blockquote>
<p>Lightning talks, 6 presentations, 4 min talk, 1 min discussion</p>
</blockquote></li>
</ol>
<p>Panel discussion – status, needs and challenges for geoscience
standards</p></th>
<th><p>Harvey Thorleifson,</p>
<p>Francois Robida, Zhang Minghua, Mark Rattenbury</p></th>
</tr>
<tr class="header">
<th>15:00-15:30</th>
<th colspan="2">Afternoon break</th>
</tr>
<tr class="odd">
<th>15:30-17:10</th>
<th><ol start="21" type="1">
<li><blockquote>
<p>Planning for DDE success – vision, progress, plans, actions (1)
Leadership presentation,</p>
</blockquote></li>
</ol>
<blockquote>
<p>(2) Breakouts,</p>
<p>(3) Open Discussion,</p>
<p>(4) Actions</p>
</blockquote></th>
<th><p>Harvey Thorleifson,</p>
<p>Francois Robida, Zhang Minghua, Mark Rattenbury</p></th>
</tr>
<tr class="header">
<th>17:10-17:30</th>
<th><p><strong>Closing</strong></p>
<p>CGI Chair Prof. Harvey Thorleifson/ DDE Secretary General</p></th>
<th></th>
</tr>
</thead>
<tbody>
</tbody>
</table>
<h2 id="future-geoscience-information-standards-forum---9---10-november-2023">Future Geoscience Information Standards Forum - 9 - 10 November 2023</h2>
<blockquote>
<p><strong>Kunshan Xin Place Hotel, Suzhou, China</strong></p>
<p>Commission for the Management and Application of Geoscience Information (CGI)</p>
<p>Deep-time Digital Earth Standards Task Group (DDE-STG)</p>
</blockquote>
<p>Building on the geoscience information standards needs of IUGS’s Deep-time Digital Earth (DDE) project, the subject of a workshop in the preceding two days, CGI as the lead IUGS commission for developing and promoting geoscience information standards is organizing this forum to look at future geoscience information standards requirements. The <strong>objective</strong> is to anticipate needs for and better support emerging projects such as DDE and Digital Twins that require efficient communication of information across borders and between agencies, institutions, companies and even beyond geosciences. The role of geoscience information standards in assisting technologies such as Artificial Intelligence is also within scope. The organizers invite experts and leaders from partner organizations to attend and contribute to forward-looking in this crucial field. Planned <strong>topics</strong> include**:**</p>
<ol>
<li>Current status of global geoscience information standards</li>
<li>Emerging geoscience information standards and future opportunities</li>
<li>New technologies such as knowledge graph, artificial intelligence</li>
</ol>
<h3 id="agenda-as-participants-are-confirmed-this-agenda-will-be-updated">Agenda (as participants are confirmed, this agenda will be updated)</h3>
<table style="width:100%;">
<colgroup>
<col style="width: 8%" />
<col style="width: 14%" />
<col style="width: 62%" />
<col style="width: 14%" />
</colgroup>
<thead>
<tr class="header">
<th><strong>Date</strong></th>
<th><strong>Time</strong></th>
<th><strong>Topics</strong></th>
<th><strong>Chair</strong></th>
</tr>
<tr class="odd">
<th rowspan="11"><p>9 Nov</p>
<p>Thu</p></th>
<th>8:00-9:00</th>
<th>Registration</th>
<th></th>
</tr>
<tr class="header">
<th>09:00-09:15</th>
<th><p><strong>Opening</strong></p>
<p>Welcome by CGI chair – Prof. Harvey Thorleifson</p></th>
<th>CGI</th>
</tr>
<tr class="odd">
<th colspan="3"><strong>Geoscience information standards; now and
next</strong></th>
</tr>
<tr class="header">
<th>09:15-10:30</th>
<th><p>The present geoscience standards landscape; geoscience data
models maturity and geoscience terminology.</p>
<blockquote>
<p>10-minute talks on:</p>
</blockquote>
<ol type="i">
<li><blockquote>
<p>Mature data models – Michael Sexton</p>
</blockquote></li>
<li><blockquote>
<p>Emerging data models – Dr Mickael Beaufils</p>
</blockquote></li>
<li><blockquote>
<p>Geoscience vocabularies – Dr Mark Rattenbury</p>
</blockquote></li>
</ol>
<blockquote>
<p>Discussion 1</p>
</blockquote></th>
<th>François Robida</th>
</tr>
<tr class="odd">
<th>10:30-11:00</th>
<th colspan="2">Coffee Break</th>
</tr>
<tr class="header">
<th>11:00-12:30</th>
<th><p>The need for geoscience standards; why and how.</p>
<blockquote>
<p>10-minute talks on:</p>
</blockquote>
<ol type="i">
<li><blockquote>
<p>Promoting and influencing geoscience standards –François Robida</p>
</blockquote></li>
<li><blockquote>
<p>Resourcing and governance of geoscience standards –TBA</p>
</blockquote></li>
<li><blockquote>
<p>Connecting geoscience domains together – Dr Lesley Wyborn</p>
</blockquote></li>
<li><blockquote>
<p>Connecting geoscience standards with other disciplines – TBA</p>
</blockquote></li>
</ol>
<blockquote>
<p>Discussion 2</p>
</blockquote></th>
<th>Mark Rattenbury</th>
</tr>
<tr class="odd">
<th>12:30-13:30</th>
<th colspan="2">Lunch</th>
</tr>
<tr class="header">
<th colspan="3"><strong>Future geoscience information projects and
initiatives</strong></th>
</tr>
<tr class="odd">
<th>13:30-15:00</th>
<th><p>Future geoscience standards needed; why and how.</p>
<blockquote>
<p>5-10 minute talks on the gaps and opportunities for new and refined
geoscience standards – Clinton Smyth (industry application), Steve
Richard (ontologies), TBA</p>
<p>Discussion 3</p>
</blockquote></th>
<th>François Robida</th>
</tr>
<tr class="header">
<th>15:00-15:30</th>
<th colspan="2">Coffee Break</th>
</tr>
<tr class="odd">
<th>15:30-17:30</th>
<th><p>Current, emerging and future projects and technologies and their
geoscience standards needs for human and machine information
exchange.</p>
<blockquote>
<p>5-10 minute talks on DDE, Digital Twins, Data Science, AI –Prof.
Marshall Ma, Prof. Harvey Thorleifson &amp; others</p>
</blockquote>
<p>Discussion 4</p></th>
<th>Mark Rattenbury</th>
</tr>
<tr class="header">
<th rowspan="4"><p>10 Nov</p>
<p>Fri</p></th>
<th colspan="3"><strong>Future geoscience information projects and
initiatives (continued)</strong></th>
</tr>
<tr class="odd">
<th>9:00-10:30</th>
<th><p>Specific ideas for future geoscience standards.</p>
<blockquote>
<p>5-10 minute talks on potential geoscience standards initiatives</p>
</blockquote>
<p>Discussion 5</p></th>
<th>François Robida</th>
</tr>
<tr class="header">
<th>10:30-11:00</th>
<th colspan="2">Coffee Break</th>
</tr>
<tr class="odd">
<th>11:00-12:00</th>
<th><p>Next steps for geoscience standards.</p>
<blockquote>
<p>General discussion</p>
<p>Wrap up</p>
</blockquote></th>
<th>Mark Rattenbury</th>
</tr>
</thead>
<tbody>
</tbody>
</table>
<p>The Future Geoscience Information Standards Forum is an opportunity afforded to CGI to capitalize on an adjacent workshop of geoscience standards implementation for the DDE major science programme. The Forum aims to briefly look to the past, assess the present and look forward to the future regarding geoscience information standards. With a small group of invited experts, the Forum will follow a flexible and lightly structured agenda with plenty of time for discussion and brain-storming. The Forum aims to conclude with a sense of purpose and direction around further development of geoscience information standards that are needed.</p>
<h2 id="background-of-geoscience-information-standards">Background of Geoscience Information Standards</h2>
<p>Many of the geoscience information standards we have today had their origins in geological maps, particularly those produced by geological surveys as part of map series. Map series typically require and achieve levels of consistency around, for example, mapping philosophy, scale, stratigraphic and technical terminology, colour and symbology. These elements were expressed in map style guides, procedures and other technical documentation. Consistency of approach benefits not only the map compiler but also the map user who can switch between maps more easily. The advent of digital geological maps, particularly those built with GIS software, facilitated exchange of information through common software formats and contained feature attributes. One of the drivers was wanting to share geoscience information across jurisdictional borders, whether they be state, province or country. Development of the North America Data Model (NADM) through 1996-2006 involved US and Canada and evolved into Geoscience Markup Language (GeoSciML) through greater international participation involving UK, France, Australia and wider through CGI and more recently the Open Geospatial Consortium (OGC). The seminal OneGeology global geological map project, started in 2007 and involving more than 40 countries, provided the quintessential use case for utilizing geoscience information standards and this accelerated their development and implementation. Geoscience information is much wider than that contained in geological maps and the role of standards is fundamentally to convey information in an understandable way.</p>
<h2 id="present-geoscience-information-standards-landscape">Present Geoscience Information Standards Landscape</h2>
<p>The present landscape of geological information standards consists of a mature geology data model (GeoSciML), an advanced minerals and mining data model (EarthResourceML) and many of the geoscience vocabularies needed to support them.</p>
<p>GeoSciML is a model of geological features commonly described and portrayed in geological maps, cross sections, geological reports and databases. It covers the domain of geology (earth materials, geological units and stratigraphy, geological time, geological structures, geomorphology, geochemistry) and sampling features common to the practice of geoscience, such as boreholes and geological specimens. The specification describes a logical model and GML/XML encoding rules for the exchange of geological map data, geological time scales, boreholes, and metadata for laboratory analyses and its primary goal is to enable information systems to interoperate with such data. GeoSciML’s latest iteration (version 4.1) has been released as an OGC standard. GeoSciML development has tailed off, apart from GeoJSON implementation.</p>
<p>EarthResourceML is a model of economic geology encompassing mineral occurrences, commodity resource, mining activity, mineral processing and mining waste. Its latest published iteration (version 2.0), implemented by many countries, is undergoing a significant overhaul.</p>
<p>GroundwaterML is a data model for hydrogeology and there are other data models for specialised geoscience domains such as seismology and emerging areas such as geotechnical. Thus, most of the wider geoscience domain is or will be catered for by logical data models.</p>
<p>The geoscience logical data models are supported by controlled vocabularies, that is, lists of terms that are describe properties and relationships of objects. Vocabularies supporting the above logical data models are typical hierarchical with parent-child associations, with synonyms and multi-lingual equivalents, include definitions and sources and are made available in machine-readable formats. CGI’s vocabularies currently number 60.</p>
<h2 id="the-ongoing-need-for-geoscience-information-standards">The Ongoing Need for Geoscience Information Standards</h2>
<p>The requirement to share geoscience information is as important as ever, particularly in an era where machine-to-machine sharing is commonplace and artificial intelligence applications grow. Well-organized geoscience data conforming to information standards are always going to reduce ambiguity and uncertainty to enable clearer patterns to emerge and make possible the production of FAIR data by scientists.</p>
<p>Among the questions that this Forum is addressing are:</p>
<ul>
<li>How fit-for-purpose are existing geoscience information standards?</li>
<li>What improvements are needed for existing geoscience information standards?</li>
<li>What new geoscience information standards are needed e.g., new data models, ontologies?</li>
<li>What is the role of international groups in guiding and governing geoscience information standards?</li>
<li>How are geoscience information standards development and maintenance resourced and by whom?</li>
<li>What are the emerging projects and technologies that will benefit from geoscience information standards?</li>
<li>Who will benefit by using geoscience information standards?</li>
<li>Who are the geoscience information standards leaders, compilers and implementers of the future?</li>
</ul></description></item><item><title>Newsletter Issue 8</title><link>https://cgi-iugs.github.io/post/newsletter-issue-8/</link><pubDate>Sun, 04 Sep 2022 14:19:00 +0000</pubDate><guid>https://cgi-iugs.github.io/post/newsletter-issue-8/</guid><description><h1 id="newsletter-9--issue-8--august-2022">Newsletter 9 | Issue 8 | August 2022</h1>
<h2>Table of Contents</h2>
<nav id="TableOfContents">
<ul>
<li><a href="#feb-24th-geoinfo-summit--harvey-thorleifson">Feb 24th GeoInfo Summit – Harvey Thorleifson</a></li>
<li><a href="#cgi--françois-robida">CGI – François Robida</a></li>
<li><a href="#cgi-work-groups--harvey-thorleifson">CGI Work Groups – Harvey Thorleifson</a></li>
<li><a href="#cgmw--manuel-pubellier-and-benjamin-sautter">CGMW – Manuel Pubellier and Benjamin Sautter</a></li>
<li><a href="#codata--alena-rybkina">Codata – Alena Rybkina</a></li>
<li><a href="#dde--junxuan-fan">DDE – Junxuan Fan</a></li>
<li><a href="#loop--laurent-ailleres">Loop – Laurent Ailleres</a></li>
<li><a href="#ogc--mickaël-beaufils">OGC – Mickaël Beaufils</a></li>
<li><a href="#onegeology--matt-harrison">OneGeology – Matt Harrison</a></li>
<li><a href="#cgi-renewal--mark-rattenbury">CGI renewal – Mark Rattenbury</a></li>
<li><a href="#geoinfo-summit-discussion-session--harvey-thorleifson">GeoInfo Summit discussion session – Harvey Thorleifson</a></li>
<li><a href="#future-events">Future Events</a></li>
</ul>
</nav>
<p>»
<a href="https://cgi-iugs.github.io/docs/CGI_newsletter_August_2022.pdf">View this newsletter as a PDF</a></p>
<h2>Table of Contents</h2>
<nav id="TableOfContents">
<ul>
<li><a href="#feb-24th-geoinfo-summit--harvey-thorleifson">Feb 24th GeoInfo Summit – Harvey Thorleifson</a></li>
<li><a href="#cgi--françois-robida">CGI – François Robida</a></li>
<li><a href="#cgi-work-groups--harvey-thorleifson">CGI Work Groups – Harvey Thorleifson</a></li>
<li><a href="#cgmw--manuel-pubellier-and-benjamin-sautter">CGMW – Manuel Pubellier and Benjamin Sautter</a></li>
<li><a href="#codata--alena-rybkina">Codata – Alena Rybkina</a></li>
<li><a href="#dde--junxuan-fan">DDE – Junxuan Fan</a></li>
<li><a href="#loop--laurent-ailleres">Loop – Laurent Ailleres</a></li>
<li><a href="#ogc--mickaël-beaufils">OGC – Mickaël Beaufils</a></li>
<li><a href="#onegeology--matt-harrison">OneGeology – Matt Harrison</a></li>
<li><a href="#cgi-renewal--mark-rattenbury">CGI renewal – Mark Rattenbury</a></li>
<li><a href="#geoinfo-summit-discussion-session--harvey-thorleifson">GeoInfo Summit discussion session – Harvey Thorleifson</a></li>
<li><a href="#future-events">Future Events</a></li>
</ul>
</nav>
<h2 id="feb-24th-geoinfo-summit--harvey-thorleifson">Feb 24th GeoInfo Summit – Harvey Thorleifson</h2>
<p><img src="https://cgi-iugs.github.io/img/newsletter8/01Zoom.jpg" alt="GeoInfo Summit participants, May 19th"></p>
<p><img src="https://cgi-iugs.github.io/img/newsletter8/02HarveyThorleifson.jpg" alt="Harvey Thorleifson"></p>
<p>CGI is the International Union of Geological Sciences (IUGS) Commission for the Management and Application of Geoscience Information. The goal of CGI is to foster the interoperability and exchange of geoscience information, through community leadership, collaboration, education, as well as development and promotion of standards and best practices.</p>
<p>On 24 February 2022, at 10 AM UTC, CGI and partner agencies hosted a 3-hour online GeoInfo Summit attended by geoscience information leaders from around the world. CGI Chair Harvey Thorleifson stated that geoscience information is of escalating importance to worldwide society, with increasing emphasis on standardized, machine-readable, data-rich knowledge.</p>
<p>He noted that respected international geoscience information organizations happily support each other, and we are coordinating our plans, for example as we prepare for upcoming high-level IUGS meetings. He was pleased that there had been unanimous support for this joint, informal meeting, which had not included ambitious pre-meeting effort.</p>
<p>There were talks from CGI, CGI Work Groups, CGMW, Codata, DDE, Loop, OGC, OneGeology, and CGI Planning. Speakers had been asked to present an overview of their background, status, and plans, as well as mention of leadership recruitment, government-university-industry coordination, ensuring sustainability, and defining coordinated and achievable goals.</p>
<p>Harvey expressed appreciation to the speakers whose presentations are summarized here. Subsequently, on May 19th, a GeoInfo Summit discussion session was held.</p>
<h2 id="cgi--françois-robida">CGI – François Robida</h2>
<p><img src="https://cgi-iugs.github.io/img/newsletter8/03FrancoisRobida.jpg" alt="François Robida"></p>
<p>François, CGI Past Chair, described how CGI, which focuses on geoscience while benefiting from broader Open Geospatial Consortium (OGC) arrangements, emanated from a 2003 Edinburgh meeting of geological survey and industry people, when multiple geological data model initiatives in the context of new standards such as GML, WMS, and WFS resulted in a consensus to build a common model that would permit the interoperability that is essential for humans and machines to conduct data-driven science.</p>
<p>To overcome the tendency for everyone to reinvent their own standard, he asserted that we must work together on standards that will be built by recognized and respected, broadly knowledgeable scientists, data scientists, and technical experts, and that are needed, endorsed, and used by the community.</p>
<p>François stressed the need to manage scientists’ tendency to over-specify complexity, to improve or extend existing standards, to reconcile standards in related fields such as multiple borehole standards, to import procedures from related fields such as 3D, to publicize our work broadly, and to validate our work through testbeds and flagships, through an open consensus-building process.</p>
<p>In 2022, he sees a need for renewed coordination among geoscience information organizations, in part by clarifying complementary roles, as well as with industry and academia, as we did in 2003, although we now have a new context such as semantic web, linked data, big data, AI, and 3D, and a need for us to coordinate with ocean and atmosphere. In closing, François stated that we can do nothing without standards.</p>
<h2 id="cgi-work-groups--harvey-thorleifson">CGI Work Groups – Harvey Thorleifson</h2>
<p>To praise superb work by CGI Work Groups and partner groups, Harvey presented a summary of the CGI webinar that had been held in June 2021, that is available on YouTube, and that was summarized in the August 2021 CGI Newsletter. He also mentioned the September 2021 technical seminar on geoscience ontology and knowledge graph that also is available on YouTube. In addition, he described the comprehensive, 15-hour DDE Geoscience Standards Training in October 2021, for which videos are available on the DDE web site.</p>
<p>He described how the OGC Geoscience Domain Working Group (DWG) partners with CGI and others to make geoscience information findable, accessible, interoperable, and reusable (FAIR). Key DWG goals are interoperability, data definitions, formats, and services for publishing, search, and exchange; thematic/semantic coherence with related domains; interfaces with city/infrastructure and risk domains; showing value added by interoperability; best practices; and standards for spatial and temporal features, metadata, and other information.</p>
<p>In addition, an OGC Standard Working Group (SWG) manages GeoSciML (Geoscience Markup Language), an XML- and GML-based machine-readable format for geological maps. EarthResourceML (ERML) is a markup language for the delivery of mineral occurrence, deposit, mining, and resource data. Nineteen ERML vocabularies include mine status, commodity, and reserves; data delivery and implementation are well accommodated.</p>
<p>The CGI Geoscience Terminology Working Group maintains terms for earth features, properties, quantities, techniques, and processes that are agreed upon and made widely accessible, including to machines. Geoscience ontology research is being conducted in association with Loop. The Deep-time Digital Earth (DDE) Standards Task Group (DDE-STG) is facilitating adoption of CGI standards and terminology by DDE, the first IUGS-recognized big science programme that was launched in 2019.</p>
<h2 id="cgmw--manuel-pubellier-and-benjamin-sautter">CGMW – Manuel Pubellier and Benjamin Sautter</h2>
<p><img src="https://cgi-iugs.github.io/img/newsletter8/04ManuelPubellier.jpg" alt="Manuel Pubellier">
<img src="https://cgi-iugs.github.io/img/newsletter8/05BenjaminSautter.jpg" alt="Benjamin Sautter"></p>
<p>Manuel, with Benjamin Sautter, provided an update on the work of the Commission for the Geological Map of the World (CGMW), an international non-profit association governed by French law that is responsible for designing, coordinating, preparing, and publishing small-scale thematic earth science maps of the globe, continents, major regions, and oceans. CGMW was established as an outcome of the International Geological Congress (IGC), first held in 1878. The commission was conceived in 1910 at the 11th IGC in Stockholm, and established in 1913 at the 12th IGC in Toronto.</p>
<p>CGMW has several thematic sub-commissions, and an important role in preserving the legacy of important paper maps produced over a century and more, while using current technology to produce the geological mapping databases that are needed for our future. The maps need to be freely accessible on an international basis, and at the same time, someone has to pay. CGMW is working, particularly with CGI and OneGeology, to take forward thinking on development of global seamless 3D databases at multiple levels of resolution.</p>
<p>An exciting and important current activity is a new 1:5M seamless geological map of the world, being produced in association with DDE, including much reconciliation aided by imagery and elevation databases, and updated bathymetry and seafloor geology, including mid-oceanic ridges, transforms, seafloor age, and hydrothermal vents.</p>
<h2 id="codata--alena-rybkina">Codata – Alena Rybkina</h2>
<p><img src="https://cgi-iugs.github.io/img/newsletter8/06AlenaRybkina.jpg" alt="Alena Rybkina"></p>
<p>Alena described the role of Codata, the Committee on Data of the International Science Council, in building a foundation for a world of open data, by promoting open science and FAIR data. CODATA convenes a global expert community and provides a forum for international consensus building and agreements around a range of data science and data policy issues, from the fundamental physical constants to cross-domain data specifications.</p>
<p>Codata has national committees, scientific union members, institutional members, and partner organizations. Codata advances data policies, data science, data skills, and data documentation. While citing a report on Advancing Science as a Global Public Good, she stated that the major, pressing global scientific and human issues of the 21st century can only be addressed through research that works across disciplines to understand complex systems, and which uses a transdisciplinary approach. She noted that there are major challenges for many scientific domains that require work on data specifications, semantics, infrastructures, and more, as estimates imply 80% of our effort is spent on data wrangling, due to suboptimal data stewardship.</p>
<p>Nevertheless, much cross-domain collaboration is quickening, to address current global grand challenges. Alena then outlined the FAIR guiding principles for scientific data management and stewardship, and a document on Turning FAIR into reality. The Codata data documentation initiative is a cross-domain integration collaboration designed to interface with other standards and to help interoperability between different data types, standards, and formats.</p>
<h2 id="dde--junxuan-fan">DDE – Junxuan Fan</h2>
<p><img src="https://cgi-iugs.github.io/img/newsletter8/07JunxuanFan.jpg" alt="Junxuan Fan"></p>
<p>Junxuan Fan described DDE, for which the kick-off meeting was held at Beijing in February 2019, with representatives of 40 geoscience organizations in attendance, and with 12 founding organizations signing the accord to initiate the DDE program. DDE is a big science program dedicated to facilitating innovation in understanding the Earth&rsquo;s evolution and applications as well as the Sustainable Development Goals utilizing Big Data analytics, internet cloud computing, data mining, machine learning, and AI. The principal theme is harmonizing global deep time geoscience data. The governance includes a governing council, executive committee, science council, science communities, working groups, and task groups. The primary goals are to establish an international consortium, linking isolated databases into an open, distributed system, making data FAIR, linking earth spheres, and promoting innovative earth system research, through data-driven knowledge discovery.</p>
<p>DDE data-driven knowledge discovery is addressing: 1. Integrating a uniform high-resolution earth time system; 2. Origin and evolution of life and biodiversity; 3. How did sedimentary matter evolve and cycle?; 4. Reconstructing earth climate and atmosphere history from big data of multiple geochemical indices; 5. Global sea-level change through deep time; 6. Quantifying plate tectonics and deformation in 4D; 7. 4D architecture and evolution of deep-earth materials and dynamics; 8. Mineral evolution beyond 4D; 9. A globally shared big-data energy resource system for sustainable development; 10. Geophysical fields for prediction of seismic hazard.</p>
<h2 id="loop--laurent-ailleres">Loop – Laurent Ailleres</h2>
<p><img src="https://cgi-iugs.github.io/img/newsletter8/08LaurentAilleres.jpg" alt="Laurent Ailleres"></p>
<p>Laurent described Loop, an integrated and interoperable platform enabling 3D stochastic geological modelling. The focus of Loop is on providing solutions for subsurface resource management, managing geological knowledge, 3D geological and geophysical modelling, as well as uncertainty risk mitigation. Loop knowledge management is using AI for knowledge extraction from literature, maps, and reports using geological ontology, with geological rules being encoded to ensure proper knowledge extraction.
Loop is a time-aware geological modelling platform, and the geological event management is capturing topological and time relationships between geological objects and structural events. Loop forward and inverse structural modelling is encoding structural geological rules in a time-aware context to account for folds, faults, shear zones, unconformities and intrusions. The modelling is based on probabilistic modelling and allows for the definition of an objective function for geology and quantification of uncertainty via posterior probabilities.</p>
<p>A milestone was reached recently with release of the GeoScience Ontology (GSO). In addition, Map2Loop data pre-processing and input now involves automation of data input for Loop modelling methods, geometrical analysis of geological maps, and topological analysis of the map. Secondary geological information automatically derived from maps includes normalized local formation thickness, and apparent fault throw. Loop Resources involves reducing the mining footprint with curvilinear geostatistics using structural frames.</p>
<p>Plans for the future include Loop Vision, an interoperable, integrative, automated and update-able workflow to model geology based on structural geological rules and geophysics. A platform will integrate geophysical modelling/constraints upstream with structural geological modelling/constraints. Loop provides a means to characterize and mitigate uncertainty that will guide further data acquisition. The framework accommodates lithology, alteration, mineralogy, metallurgy, geotechnical parameters, and grades, allowing a better characterization of mining block and process optimization.</p>
<h2 id="ogc--mickaël-beaufils">OGC – Mickaël Beaufils</h2>
<p><img src="https://cgi-iugs.github.io/img/newsletter8/09Micka%C3%ABlBeaufils.jpg" alt="Mickaël Beaufils"></p>
<p>Mickaël provided an overview of OGC and the GeoScience DWG, that partners with CGI and many other organizations in making geospatial information findable, accessible, interoperable, and reusable (FAIR). For findability, he cited persistent identifiers (PIDs), rich metadata, indexed data repositories, and PIDs in metadata; for accessibility, he cited standard communication protocols, open and free protocols, authentication where necessary, and metadata always available; for interoperability, he cited vocabularies, FAIR vocabularies, and linked metadata; and for reusability, he cited multiple attribute metadata, usage licenses, provenance, and community standards.</p>
<p>He outlined the OGC innovation continuum, in which an innovation cycle links to a standardization cycle. The innovation cycle involves project identification, call for sponsors, creation of a public call, selection of members, an executive project, and generation of results. This links to the standardization cycle, built on domain and standards working groups, involving DWG discussion, SWG formation, standards development, DWG/SWG presentations, formulation of enhancements, and interest gathering, which links back to the innovation cycle.</p>
<p>Key DWG goals are interoperability, data definitions, formats, and services for publishing, search, and exchange; thematic/semantic coherence with related domains; interfaces with city/infrastructure and risk domains; showing value added by interoperability; best practices; and standards for spatial and temporal features, metadata, and other information. Emphasis has been on the BhML borehole conceptual model, as well as (Geo)JSON(- LD), 3D-4D, BIM, geotechnics, ISO19156 for observations and measurements, OGC SensorThings API, OGC-API features, and SMART Data Loader. Much emphasis is now on geotech interoperability.</p>
<h2 id="onegeology--matt-harrison">OneGeology – Matt Harrison</h2>
<p><img src="https://cgi-iugs.github.io/img/newsletter8/10MattHarrison.jpg" alt="Matt Harrison"></p>
<p>Matt spoke on OneGeology, which has 189 member organizations, and is dedicated to providing geoscience data globally. OneGeology technical principles are based on interoperability with emphasis on GeoSciML, data on distributed servers sent directly to the web client, participants delivering map data through a standard OGC web service, cookbooks and online help and buddy systems so all nations can serve their data, a central catalog of services, and a portal that can display and aggregate all of the maps.</p>
<p>According to the 2007 Brighton Accord, OneGeology is a geological survey initiative that will make public and internet-accessible the best available digital geological map data, with priority on interoperable, Internet-accessible, scientifically-attributed data and to make progress at levels appropriate to participants&rsquo; capability.</p>
<p>OneGeology is now migrating its focus to the application, technology and opportunities arising from developing a multiscale suite of digital twin earth system models. These will enable the better prediction and understanding of subsurface processes and their properties, and how these influence the world around us. The existence and use of an earth system digital twin could, for example, allow users to sample a volume of rock and run numerical simulations to understand the impacts of various inputs and changes to that system, such as alternative energy storage technologies.</p>
<p>These digital twin models will be an ensemble of 4D geospatial data, models, and visualizations. One of the key elements will be the cyber–physical interaction, whereby sensor perturbation monitored in the real world will ultimately be reflected within the virtual twin model in near-real time. A realistic model of the natural environment will provide new virtual opportunities to test and improve our understanding of these systems and to model and predict their behaviors into the future.</p>
<h2 id="cgi-renewal--mark-rattenbury">CGI renewal – Mark Rattenbury</h2>
<p><img src="https://cgi-iugs.github.io/img/newsletter8/11MarkRattenbury.jpg" alt="Mark Rattenbury"></p>
<p>As an illustration of planning and renewal, Mark, a CGI Councilor, discussed how CGI has initiated draft steps toward renewal. He described how the Commission for the Management and Application of Geoscience Information (CGI) is a Commission of the International Union of Geological Sciences (IUGS), and is an international scientific, technical non-governmental, non-political, and non-profit-making organization.</p>
<p>Mark then outlined how CGI aims to: help in exchanging knowledge on geoscience information and systems; support dissemination of best practice in geoscience information; encourage the development of geoscience information standards; play a full part in the international geoscience information community and represent IUGS on geoscience information matters; bring together individuals and organizations with an interest in the management and application of geoscience information; and provide open access to the standards and outputs it delivers, for the benefit of all.</p>
<p>He then noted that CGI: has been very successful and influential since its inception; has worked widely across the international community; has led with development of the GeoSciML and EarthResourceML data; has led model standards for information transfer with publishing of internationally agreed geoscience vocabularies; and continues to support these and other initiatives such as OGC&rsquo;s Geoscience Domain Working Group and IUGS&rsquo;s Deep-time Digital Earth.</p>
<p>He further described how CGI collaborates on focused projects; provides continuity between peaks in project activities; and offers trusted, stable and enduring governance capability to the geoscience information community.</p>
<p>He then suggested that CGI should: assess the maturity of current geoscience information standards; identify opportunities that lie ahead in the geoscience information standards domain; signal what could be achieved in the next four years; signal what could be achieved in the next ten years; and identify collaborators and resources that could help achieve the goals.</p>
<h2 id="geoinfo-summit-discussion-session--harvey-thorleifson">GeoInfo Summit discussion session – Harvey Thorleifson</h2>
<p>The 90-minute GeoInfo Summit discussion session on May 19th at 10 UTC was a great success. Partner organization leaders noted that technical challenges cannot be addressed by a single organization. We need to address societal challenges, to attract young people, and to work efficiently. Leaders stressed the importance of concrete products. We emphasized the need for a shared vision that we all can rally around.</p>
<p>We asserted that we need to be needed, by making sure that our activity is relevant, in part by utilizing new capabilities. We stressed sustainability of our activity, and efficiency through coordination. We stated that standards are maintained if used, and we need to find a problem that calls for what we do. We thus saw the need for a community that uses what we do, with standards reaching critical mass.
We then talked about how to go forward. We noted that in-person meetings allow serendipity, social interaction, and meeting people. We then focused on a global solid earth digital twin as a focal point, perhaps to be a highlight of upcoming IUGS meetings. We saw that we need a workshop that reaches conclusions. We understand that we need a goal, for initial delivery at the IGC in 2024.</p>
<p>It was noted that a global solid earth digital twin would be inclusive of everyone, under a ‘Save the Planet’ sort of banner that attracts young people, for very legitimate reasons. We discussed the concurrent digital twin of the oceans, and there was mention of soil/geology coordination. We recognized that we should not promise something by a date, or stress that major funding should come first – but rather we need a roadmap for what each organization needs to do.</p>
<p>In closing, Harvey Thorleifson noted that we are operating as a multi-agency network, so each agency would have to respect its governance. He suggested that we plan for additional multi-agency, online meetings in September, to take the next step in bringing the solid earth digital twin concept into focus, for example in coordination with DDE.</p>
<h2 id="future-events">Future Events</h2>
<p><strong>On September 20-21, 2022, for 90 minutes each day at 10 UTC, we will hold GeoInfo Summit Follow-Up, to be attended by leaders of global geoscience information organizations.</strong></p>
<p><strong>If you wish to attend, please contact the CGI Chair at <a href="mailto:thorleif@umn.edu">thorleif@umn.edu</a>.</strong></p></description></item><item><title>Annual Report 2022</title><link>https://cgi-iugs.github.io/publication/annualreport2022/</link><pubDate>Wed, 15 Jun 2022 11:11:29 +0100</pubDate><guid>https://cgi-iugs.github.io/publication/annualreport2022/</guid><description/></item><item><title>DDE Geoscience Information Metadata Standard</title><link>https://cgi-iugs.github.io/publication/dde-metadata-standard-v1/</link><pubDate>Wed, 15 Jun 2022 11:11:29 +0100</pubDate><guid>https://cgi-iugs.github.io/publication/dde-metadata-standard-v1/</guid><description/></item><item><title>Geoscience Standards Training for DDE</title><link>https://cgi-iugs.github.io/post/ddetraining/</link><pubDate>Mon, 25 Oct 2021 23:01:29 +0100</pubDate><guid>https://cgi-iugs.github.io/post/ddetraining/</guid><description><h1 id="information">Information</h1>
<p>Free 3 day training event on open standards applicable to the geoscience community</p>
<p>Session Chair: prof Zhang Minghua. <a href="mailto:zminghua@mail.cgs.gov.cn">zminghua@mail.cgs.gov.cn</a></p>
<p>Registration: <a href="https://www.wjx.top/vm/wFHGCwg.aspx">https://www.wjx.top/vm/wFHGCwg.aspx</a></p>
<p>Zoom meeting link: <a href="https://zoom.us/j/83452380461?pwd=U0plLytDRUZoWno2MEIyZWhBeEc1Zz09">https://zoom.us/j/83452380461?pwd=U0plLytDRUZoWno2MEIyZWhBeEc1Zz09</a>
Meeting ID : 834 5238 0461
Meeting Code: ddestg
Date: 8:00am 26th- 13:00pm 28th Oct. UTC time</p>
<h1 id="agenda">Agenda</h1>
<h2 id="25th-oct">25th Oct.</h2>
<p>Registration Online and Zoom meeting system dry-run test.</p>
<h2 id="day-1-26th-oct">Day 1, 26th Oct.</h2>
<p>08:00-08:40: Opening Ceremony: Addresses from DDE GC by prof Jennifer McKinley. Addresses from DDE-STG and CGI by prof Harvey Thorleifson. Addresses from CODATA by Dr Alena Rybkina.</p>
<p>08:30-08:40: Group photo and break</p>
<p>08:40-9:00: Introduction to CGI and its main partners on geoscience standards by Harvey Thorleifson</p>
<p>9:00-10:00: Introduction to CGI and OGC standards by Francois ROBIDA and Mickael Beaufils</p>
<p>10:00-10:15: Break</p>
<p>10:15-11:00: Geoscience terminology by Mark Rattenbury</p>
<p>11:00-11:15: Break</p>
<p>11:15-11:50: Geoscience terminology (continued) by Mark Rattenbury</p>
<p>11:50-12:00: Break</p>
<p>12:00-12:45: Geoscience ontology by Boyan Brodaric and Steve Richard</p>
<h2 id="day-2-27th-oct">Day 2, 27th Oct.</h2>
<p>8:00-8:45: GeoSciML: Geology data model and exchange standard by Oliver Raymond</p>
<p>8:45-9:00: Break</p>
<p>9:00-9:45: GeoSciML(continued)</p>
<p>9:45-10:00: Break</p>
<p>10:00-10:45: EarthResourceML: Mineral resource and mining data model and exchange standard by Michael Sexton</p>
<p>10:45-11:00: Break</p>
<p>11:00-11:45: EarthResourceML (continued)</p>
<p>11:45-12:00: Break</p>
<p>12:00-12:45: DDE metadata standard draft by Zhang Minghua, Liu Rongmei and Wang Yongzhi</p>
<h2 id="day-3-28th-oct">Day 3, 28th Oct.</h2>
<p>08:00-08:45: Metadata standard and practice by James Passmore and Tim Duffy</p>
<p>08:45-09:00: Break</p>
<p>09:00-09:45: OneGeology data and standard technology by Edward Lewis and James Passmore</p>
<p>09:45-10:00: Break</p>
<p>10:00-10:45: OneGeology(continue)</p>
<p>10:45-11:00: Break</p>
<p>11:00-11:40: CODATA FAIR data principles and GOFAIR practice by Alena Rybkina</p>
<p>11:40-12:20: A vision on DDE data science with FAIR data by Ma Xiaogang</p>
<p>12:20-12:30: Break</p>
<p>12:30-13:00: Closing ceremony: Certifications to participants registered and lecturers of the training. Closing speech/remarks form DDE-STG by prof Harvey Thorleifson and DDE-EC by prof Natarajan Ishwaran.</p></description></item><item><title>Newsletter Issue 7</title><link>https://cgi-iugs.github.io/post/newsletter-issue-7/</link><pubDate>Fri, 13 Aug 2021 14:19:00 +0000</pubDate><guid>https://cgi-iugs.github.io/post/newsletter-issue-7/</guid><description><h2>Table of Contents</h2>
<nav id="TableOfContents"></nav>
<p>»
<a href="https://cgi-iugs.github.io/docs/CGI_newsletter_August_2021.pdf">View this newsletter as a PDF</a></p>
<h1 id="overview-of-cgi-activities--harvey-thorleifson">Overview of CGI activities – Harvey Thorleifson</h1>
<p><img src="https://cgi-iugs.github.io/img/newsletter7/ht.png" alt="Harvey Thorleifson"></p>
<p>CGI is the International Union of Geological Sciences (IUGS) Commission for the Management and Application of Geoscience Information. The goal of CGI is to foster the interoperability and exchange of geoscience information, through community leadership, collaboration, education, as well as development and promotion of standards and best practices.</p>
<p>On 23 June 2021, from 10 AM to Noon UTC, CGI hosted a webinar attended by 91 experts from around the world.</p>
<p><img src="https://cgi-iugs.github.io/img/newsletter7/webinar.png" alt="CGI Webinar participants">
<em>CGI Webinar participants</em></p>
<p>Harvey Thorleifson, Director of the Minnesota Geological Survey in the USA and CGI Chair, indicated that the objective of the webinar was to share updates on the work that CGI is carrying out with partners, and to hear discussion. He thanked partners who were mentioned in the six presentations that followed. Discussion and feedback indicated that the webinar was a great success. Videos are available on
<a href="https://www.youtube.com/watch?v=_pXVKSWT17M&amp;list=PLwnk6y1Q6xcZ2Ty2Akl1_sUY3Ob8Zocd9" target="_blank" rel="noopener">YouTube</a>.</p>
<h1 id="future-events">Future Events</h1>
<p>On September 9, 2021, at 10 UTC, we will hold an informal technical seminar on geoscience ontology and knowledge graph, to be attended by members and friends of relevant working groups of CGI and partner organisations. If you wish to attend, please contact the CGI Chair at <a href="mailto:thorleif@umn.edu">mailto:thorleif@umn.edu</a>.</p>
<h1 id="ogc-geoscience-domain--mickaël-beaufils">OGC Geoscience Domain – Mickaël Beaufils</h1>
<p><img src="https://cgi-iugs.github.io/img/newsletter7/mb.png" alt="Mickaël Beaufils"></p>
<p>Mickael Beaufils of BRGM spoke as Chair of the Open Geospatial Consortium (OGC) Geoscience Domain Working Group (DWG), that partners with CGI and many other organizations in making spatial information findable, accessible, interoperable, and reusable (FAIR).</p>
<p>For findability, he cited persistent identifiers (PIDs), rich metadata, indexed data repositories, and PIDs in metadata; for accessibility, he cited standard communication protocols, open and free protocols, authentication where necessary, and metadata always available; for interoperability, he cited vocabularies, FAIR vocabularies, and linked metadata; and for reusability, he cited multiple attribute metadata, usage licenses, provenance, and community standards.</p>
<p>Key DWG goals are: interoperability, data definitions, formats, and services for publishing, search, and exchange; thematic/semantic coherence with related domains; interfaces with city/infrastructure and risk domains; showing value added by interoperability; best practices; and standards for spatial and temporal features, metadata, and other information.</p>
<p>Emphasis has been on the BhML borehole conceptual model, as well as (Geo)JSON(- LD), 3D-4D, BIM, geotechnics, ISO19156 for observations and measurements, OGC SensorThings API, OGC-API features, and SMART Data Loader.</p>
<p>The DWG has been active since being conceived at Dublin in 2016; the next meeting is in September.</p>
<h1 id="geosciml--éric-boisvert">GeoSciML – Éric Boisvert</h1>
<p><img src="https://cgi-iugs.github.io/img/newsletter7/eb.png" alt="Éric Boisvert"></p>
<p>Éric Boisvert of the Geological Survey of Canada spoke on behalf of the OGC Standard Working Group (SWG) for GeoSciML (Geoscience Markup Language), an XML- and GML-based machine-readable format for geological maps that has been stable for almost two decades since emanating from work such as XMML, NADM, and G-XML. Although V1 in 2005 was monolithic, V2 in 2009 had properties grouped, with boreholes and fossils added.</p>
<p>V3 in 2012 was packaged as 13 schemas, with themes added, OGC versions of some dependencies, custom elements dropped, external vocabularies, and explicit nil required. V4 in 2015, packaged as basic and extended, became OGC V4.1 in 2017, with reversion to optional properties, profiling, and Portrayal (Lite) integrated. The scope covers geology, including boreholes and specimens, with limited applicability to specialized domains, or symbology.</p>
<p>GeoSciML Lite, based on simple features and thus comparable to a SHP file, is widely compatible, although with limited expressiveness, and thus limited to simple applications. Extensions include GroundwaterML2, EarthResourceML, and geotechnics for civil engineering. OGC, and thus GeoSciML, is transitioning from XML to JSON (OGC API); future work will address knowledge encoding such as RDF and ontologies.</p>
<h1 id="earthresourceml--michael-sexton">EarthResourceML – Michael Sexton</h1>
<p><img src="https://cgi-iugs.github.io/img/newsletter7/ms.png" alt="Michael Sexton"></p>
<p>Michael Sexton of Geoscience Australia provided an overview of EarthResourceML (ERML), a markup language for the delivery of mineral occurrence, deposit, mining, and resource data that was initiated in 2006 as a collaboration between Australian state and federal agencies. The name was adopted and a CGI working group formed in 2010.</p>
<p>ERML is an extension of GeoSciML, with a mineral occurrence being a subtype of Geologic Feature; the mining feature types of ERML are not part of GeoSciML.</p>
<p>The earth resource concept encompasses geology, economics, environment, and society. Through international collaboration, ERML has a minimum set of features and attributes for describing and communicating information about earth resources in a standardized way. Nineteen CGI vocabularies include mine status, commodity, and reserves; data delivery and implementation are well accommodated.</p>
<p>ERML v3, which is near completion, has an improved resources model to represent resources as reported, addition of processing plants, and removal of mandatory attributes and relationships. ERML v3 will have GeoServer feature templating and a smart data loader, with JSON outputs.</p>
<h1 id="cgi-geoscience-vocabularies--mark-rattenbury">CGI Geoscience Vocabularies – Mark Rattenbury</h1>
<p><img src="https://cgi-iugs.github.io/img/newsletter7/mr.png" alt="Mark Rattenbury"></p>
<p>Mark Rattenbury of GNS Science in New Zealand, Te Pū Ao, spoke for the CGI Geoscience Terminology Working Group, which has been separate from the GeoSciML group since 2014, and which maintain lists of terms for earth features, properties, quantities, techniques, and processes that are collaboratively agreed upon and are widely accessible, including to machines. The terminology conveys unambiguous meaning, offers translations, reduces confusion, utilizes natural hierarchies, and supports data models.</p>
<p>The Working Group supports interoperability, develops and enables vocabularies, has 30 members in 16 countries, collaborates with partner groups, has had six face-to-face meetings, and has had much online interaction. A formal vocabulary development and adoption process is used. The vocabularies are somewhat FAIR, but there are many competing vocabularies. Ideally, CGI vocabularies will be better known and more widely used, because they are international, they support data models, and they are supported through enduring governance. Working Group priorities are to publish remaining vocabularies identified by working groups, update published vocabularies, add multilingual terms, and promote application of CGI vocabularies, especially in academic and industry contexts.</p>
<p>Challenges include aligning to international projects, finding time to make progress, and pandemic-related restrictions on travel.</p>
<h1 id="loop-geoscience-ontology--boyan-brodaric-and-stephen-richard">Loop GeoScience Ontology – Boyan Brodaric and Stephen Richard</h1>
<p><img src="https://cgi-iugs.github.io/img/newsletter7/bb.png" alt="Boyan Brodaric"></p>
<p>Boyan Brodaric of the Geological Survey of Canada, and Stephen Richard of the USGIN Foundation in USA, reported on GeoScience Ontology (GSO) research being conducted in association with Loop, an integrated and interoperable platform enabling 3D stochastic geological modeling. Knowledge management at present is a very active topic, due to the activities of Google, Amazon, Microsoft, and others. The Google Knowledge Graph initially released in 2016, the basis for their infobox, is built on a schema.org ontology, and a query API such as SPARQL.</p>
<p>The GSO incorporates a framework with entities, relations, and rules, as well as an OWL2 language. The GSO builds on NADM, GeoSciML, and DOLCE Rocks, and work in several ongoing projects. In association with GeoSciML, the activity includes, for example, an OWL conceptual schema and re-conceptualization, UML logical schema, XSD application schema, and XML instance documents.</p>
<p>Development will have to be broad and deep, modular, and standalone. The modular organization will be a layercake ontology, from common, to geology, to modules. Context dependency is an important concept, and relations include fundamental, spatial, temporal, and geological. Next steps include public feedback, knowledge repository testing, and integration with Loop 3D modeling code.</p>
<h1 id="dde-standards-task-group--zhang-minghua">DDE Standards Task Group – Zhang Minghua</h1>
<p><img src="https://cgi-iugs.github.io/img/newsletter7/zm.png" alt="Zhang Minghua"></p>
<p>Zhang Minghua of the China Geological Survey, Co-Secretary General of CGI, described the work of the Deep-time Digital Earth Standards Task Group (DDE-STG). DDE is an IUGS big science program focused on data-driven discovery regarding the evolution of life, matter, geography, and climate. DDE will be an international consortium that will link databases, make data FAIR, unify earth science, and promote research.</p>
<p>The kickoff meeting at Beijing in February 2019 was attended by representatives of 40 geoscience organizations, and founding organizations signed an accord. The DDE roadmap encompasses the 2019 accord, formal launch in 2020, midterm reporting in 2024, and final reporting in 2028. For the geoscience knowledge system, DDE has adopted CGI terminology, and knowledge system graphs have been in development since 2019.</p>
<p>The DDE-STG, now consisting of 28 leading professionals who held their first in-person meeting in January 2020, will now work in close collaboration with CGI and partners such as CODATA, to coordinate standards identification and development, survey stakeholders, develop the metadata standard based on ISO19115-2014(E), oversee review of the semantic knowledge system, provide advice to DDE working groups, provide training, and maintain the portfolio of standards.</p>
<h1 id="join-us">Join Us</h1>
<p>Please visit the CGI web site at <a href="https://cgi-iugs.org/,">https://cgi-iugs.org/,</a> and if you aren’t a member, please click the Join Now button!</p></description></item><item><title>CGI Flyer Rollup</title><link>https://cgi-iugs.github.io/publication/flyerrollup/</link><pubDate>Mon, 19 Jul 2021 11:11:29 +0100</pubDate><guid>https://cgi-iugs.github.io/publication/flyerrollup/</guid><description/></item><item><title>CGI Flyer Trifold</title><link>https://cgi-iugs.github.io/publication/flyertrifold/</link><pubDate>Mon, 19 Jul 2021 11:11:29 +0100</pubDate><guid>https://cgi-iugs.github.io/publication/flyertrifold/</guid><description/></item><item><title>Annual Report 2021</title><link>https://cgi-iugs.github.io/publication/annualreport2021/</link><pubDate>Thu, 01 Jul 2021 11:11:29 +0100</pubDate><guid>https://cgi-iugs.github.io/publication/annualreport2021/</guid><description/></item><item><title>Newsletter Issue 6</title><link>https://cgi-iugs.github.io/post/newsletter-issue-6/</link><pubDate>Sun, 09 May 2021 23:46:24 +0100</pubDate><guid>https://cgi-iugs.github.io/post/newsletter-issue-6/</guid><description><h2>Table of Contents</h2>
<nav id="TableOfContents">
<ul>
<li><a href="#docker-packages-geological-survey-of-canada">Docker Packages (Geological Survey of Canada)</a></li>
<li><a href="#vocabulary-improvement-acceleration-british-geological-survey">Vocabulary Improvement Acceleration (British Geological Survey)</a></li>
</ul>
<ul>
<li><a href="#meet-your-cgi-councillors">Meet Your CGI Councillors</a>
<ul>
<li><a href="#harvey-thorleifson">Harvey Thorleifson</a></li>
<li><a href="#christelle-loiselet">Christelle Loiselet</a></li>
<li><a href="#edd-lewis">Edd Lewis</a></li>
</ul>
</li>
<li><a href="#cgi-hosting-dde-standards-task-group">CGI hosting DDE Standards Task Group</a></li>
</ul>
<ul>
<li><a href="#6th-dde-working-group-meeting-at-suzhou">6th DDE Working Group Meeting at Suzhou</a></li>
<li><a href="#dde-standards-working-group-meeting-at-the-dde-suzhou-center">DDE Standards working group meeting at the DDE Suzhou center.</a></li>
</ul>
</nav>
<p>»
<a href="https://cgi-iugs.github.io/docs/CGI_newsletter_May_2021.pdf">View this newsletter as a PDF</a></p>
<h1 id="cgi-supports-interoperabity-projects">CGI Supports Interoperabity projects</h1>
<p>In 2021 the CGI grant was awarded to two data interoperability projects of high relevance to CGI work:</p>
<h2 id="docker-packages-geological-survey-of-canada">Docker Packages (Geological Survey of Canada)</h2>
<p>The project will package ERML and GeoSciML service inside docker images. Containerisation, technology that allows to deploy self contained services and GeoSciML alternate encoding has been kick started with first assessment of issues. Discussion material is published on OGC GitHub <a href="https://github.com/opengeospatial/GeoSciML/blob/master/geojson/REAME.MD">https://github.com/opengeospatial/GeoSciML/blob/master/geojson/REAME.MD</a></p>
<p>A new publication will be released soon on Geology ontology (Brodaric and Richard) developed under the project LOOP3D&rsquo;s Geoscience Knowledge manager. The ontology (knowledge representation) is built on top on several initiatives, including GeoSciML model and GeoSciML vocabularies. (<a href="https://github.com/Loop3D/GKM">https://github.com/Loop3D/GKM</a>) . </p>
<h2 id="vocabulary-improvement-acceleration-british-geological-survey">Vocabulary Improvement Acceleration (British Geological Survey)</h2>
<p>The project will update and then publish SKOS-RDF files for all vocabularies with translated Multi-Lingual Thesaurus of Geosciences terms and links added to related INSPIRE vocabularies. Github architecture will be streamlined for vocabulary hosting, customised vocprez instance and deployment to <a href="http://cgi.vocabs.ga.gov.au/vocab/">http://cgi.vocabs.ga.gov.au/vocab/</a></p>
<h1 id="upcoming-events">Upcoming Events</h1>
<p>CGI webinar on 23 June 2021 featuring the working groups:</p>
<ul>
<li>GeoSciML Standards</li>
<li>EarthResourceML</li>
<li>Geoscience Terminology</li>
<li>CGI/OGC Geoscience Domain</li>
<li>Deep-time Digital Earth (DDE) Standards Task Group</li>
</ul>
<h1 id="cgi-council-news">CGI Council News</h1>
<p>The CGI Council held its 2020 annual meeting via zoom in October. The councillors discussed council membership, activities for CGI funding in 2021 and the need to recruit and rejuvenate active membership.</p>
<ul>
<li>better promotion of CGI activities and standards</li>
</ul>
<p>New councillors joined CGI. The current council members are:</p>
<ul>
<li>Harvey Thorleifson - Chair</li>
<li>Kombada Mhopjeni - Co-Secretary</li>
<li>Zhang Minghua - Co-Secretary</li>
<li>Mark Rattenbury &ndash; Treasurer</li>
<li>Kazu Miyazaki</li>
<li>Christelle Loiselet</li>
<li>Eric Boisvert</li>
<li>Edd Lewis</li>
</ul>
<p>Past chair, François Robida and councillors - Ollie Raymond and David Percy remain as observers.</p>
<p>Since then the council held three business meetings addressing review of CGI grant proposals, status of CGI activities, increasing CGI visibility and membership in CGI working groups.</p>
<p><img src="https://cgi-iugs.github.io/img/newsletter6/image3.png" alt="CGI council business meeting in April 2021">
<em>CGI council business meeting in April 2021.</em></p>
<h2 id="meet-your-cgi-councillors">Meet Your CGI Councillors</h2>
<h3 id="harvey-thorleifson">Harvey Thorleifson</h3>
<p>The new Chair of CGI. Since 2003, Harvey has been Director of the Minnesota Geological Survey in the USA, State Geologist of Minnesota, and Professor in the Department of Earth and Environmental Sciences at the University of Minnesota. His undergrad and Masters were completed in Canada, his PhD is from the University of Colorado in Boulder, and from 1986 to 2003, he was a Geological Survey of Canada research scientist.</p>
<p><img src="https://cgi-iugs.github.io/img/newsletter6/image4.jpeg" alt="Harvey Thorleifson"></p>
<p>He is Information Committee Chair for the Association of American State Geologists (AASG), and he completed two terms with the US National Geospatial Advisory Committee. He was a member of a National Academy panel that prepared a report on the international role of the US Geological Survey, and he was a member of the team that launched OneGeology. Harvey was 2003-2004 President of the Geological Association of Canada, 2004-2006 President of the Canadian Geoscience Council, and 2012-2013 President of AASG.</p>
<p>Harvey was excited to have joined CGI leadership in 2016, and is now pleased and humbled to follow Past CGI Chair François Robida, whose superb leadership will be a model for Harvey to aspire to. In his work, Harvey&rsquo;s focus has been on accelerating static-publication-based geological mapping, enhanced development of and adherence to standards, and accelerated provision of regularly-updated, seamless geological mapping databases assembled from many published geological maps. Contact
<a href="mailto:thorleif@umn.edu">Harvey</a>.</p>
<h3 id="christelle-loiselet">Christelle Loiselet</h3>
<p><img src="https://cgi-iugs.github.io/img/newsletter6/image5.jpeg" alt="Christelle Loiselet"></p>
<p>Has a PhD in Earth Sciences from the University of Rennes. She is a geologist modeller with experience in 3D geodynamics modelling and basin modelling applied to georesources. Within BRGM, she works on 3D geological modelling and she manages a research project on 3D Geo Information Systems. For the past four years, she has lead the IT team working on developing IT systems to deliver geological and mineral resources information using standards such as O&amp;M, GeoSciML and EarthRessourceML in national (RGF, BSS, Gaia Data, etc) and international projects (EPOS, GeoERA, Mineral4EU, etc). She is a member of the Form@Ter executive board and she joined the CGI council in 2020. Contact
<a href="mailto:C.Loiselet@bgrm.fr">Christelle</a>.</p>
<h3 id="edd-lewis">Edd Lewis</h3>
<p><img src="https://cgi-iugs.github.io/img/newsletter6/image6.jpeg" alt="Edd Lewis"></p>
<p>The Standards Lead at the British Geological Survey, with responsibility of improving the organisation and our partners data provision by using geospatial data standards to better align with FAIR data principles (&amp; hopefully driving economic growth through improved data accessibility&hellip;).</p>
<p>He is a member of the British Standard Institute IST/36 Geographic Information committee, Association of Geotechnical and Geoenvironmental Specialists (AGS) AGS Data Format committee, MEDIN data standard committee and contributor to ISO/TC 211 &amp; OGC standards. Edd join the CGI council in 2020. Contact
<a href="mailto:edlew@bgs.ac.uk">Edd</a>.</p>
<h2 id="cgi-hosting-dde-standards-task-group">CGI hosting DDE Standards Task Group</h2>
<p>CGI leads the work of the IUGS Deep-time Digital Earth (DDE) Standards Task Group (DDE-STG) on implementing the use of CGI standards and vocabularies by DDE and metadata for DDE. The CGI chair, Harvey Thorleifson, was appointed as the Principal Investigator (PI) for the DDE-STG with co-PIs Zhang Minghua, Alena Rybkina, François Robida, and Tim Duffy.</p>
<p>Several CGI council members attended the DDE-STG meeting in January 2020 in Beijing. Currently, Francois Robida is sustaining his role in DDE-STG supported by Zhang Minghua and Alena Rybkina (CODATA form Russia) as co-chairs.</p>
<h1 id="dde">DDE</h1>
<h2 id="6th-dde-working-group-meeting-at-suzhou">6th DDE Working Group Meeting at Suzhou</h2>
<p>On 23-24 March 2021, co-leader of the DDE -STG Prof Zhang Minghua accompanied by STG members Dr Liu Rongmei, Dr Ren Wei and Dr Zhang Sheng attended the 6th DDE working group meeting at Kunshan, Suzhou center of DDE with a parallel meetings on DDE Standards and Knowledge.</p>
<p><img src="https://cgi-iugs.github.io/img/newsletter6/image7.jpeg" alt=""></p>
<h2 id="dde-standards-working-group-meeting-at-the-dde-suzhou-center">DDE Standards working group meeting at the DDE Suzhou center.</h2>
<p>Prof Zhang presented the DDE-STG work, achievements and 2021 work plan based on the DDE-STG annual proposal, submitted in November 2020, on behalf of the of DDE-STG. Four main activities for 2021 are:</p>
<ul>
<li>DDE knowledge system review report;</li>
<li>Standards training courses;</li>
<li>DDE metadata standard (draft version);</li>
<li>Working Teams for DDE geosciences data standards.</li>
</ul>
<p>The discussions included coverage of a variety of issues/topics such as the DDE data and knowledge groups, geological timeline, global 1:5million map, Eurasian margin sea and DDE-China and CODATA roles on open science facilities. Standards including metadata standards, DDE standards architecture, and disciplinary specified standards, etc were requested. These requests are critical and helpful, and will direct the work of the DDE-STG.</p>
<p><img src="https://cgi-iugs.github.io/img/newsletter6/image8.jpeg" alt="Prof Zhang">
<em>Prof Zhang at the DDE knowledge system group meeting.</em></p>
<p>At the parallel meeting of the DDE Knowledge Group, Prof Zhang replied on some common concerns about knowledge system/graph review procedure from DDE working groups, like sedimentology, paleogeography and petroleum geology working group, based on the first product of DDE-STG &ldquo;Formal Review Procedures for the Geoscience Knowledge System of IUGS Deep-time Digital Earth Program (version of Aug 28,2020)&quot;. Zhang asked these working groups to submit their comparison results of vocabulary difference with CGI Geoscience Terminology to DDE-STG for a review.</p>
<p>The meeting was attened by 43 scientists, 23 on site and 20 virtually.</p>
<h1 id="cgi-website">CGI Website</h1>
<p><img src="https://cgi-iugs.github.io/img/newsletter6/image9.png" alt=""></p>
<p>The CGI website received a fresh make-over from new councillor Edd Lewis. <a href="https://cgi-iugs.org/">https://cgi-iugs.org/</a></p>
<h1 id="join-us-on-linkedin">Join Us on LinkedIn</h1>
<p>We invite all CGI members to join our
<a href="http://www.linkedin.com/groups?gid=6539642" target="_blank" rel="noopener">LinkedIn group</a>. The group provides a forum for CGI and LinkedIn members to connect with other geoscience professionals, post news of upcoming events, ask questions and discuss your issues.</p>
<p><img src="https://cgi-iugs.github.io/img/newsletter6/image10.png" alt="LinkedIn"></p></description></item><item><title>DDE Standards Task Group</title><link>https://cgi-iugs.github.io/project/ddestandards/</link><pubDate>Fri, 01 Jan 2021 11:50:03 +0100</pubDate><guid>https://cgi-iugs.github.io/project/ddestandards/</guid><description><p>A collaborative task group implementing geoscience information standards for IUGS’s flagship Deep-time Digital Earth Project - <a href="https://www.iugs.org/dde">https://www.iugs.org/dde</a></p></description></item><item><title>Election of Council 2020 - 2024</title><link>https://cgi-iugs.github.io/post/2020council/</link><pubDate>Thu, 12 Nov 2020 23:01:29 +0100</pubDate><guid>https://cgi-iugs.github.io/post/2020council/</guid><description><p>The Council was elected in 2020 for the term 2020-2024. The newly elected Council members are widely distributed across many of the continents.</p>
<p>The planned annual face to face Council meeting in Delhi, India at the 36th IGC was canceled due to the COVID-19 pandemic. CGI Council thus held two online meetings on Oct. 7 and Nov. 12, 2020 to elect the new Council and to manage progress. New CGI Council Chair Harvey Thorleifson thanked outgoing CGI Council members François Robida, Ollie Raymond and Jouni Vuollo for their dedication and contributions to CGI in his remarks.</p>
<p>The CGI Council members are:</p>
<ul>
<li>Harvey Thorleifson (Chair) – USA</li>
<li>Zhang Minghua (Co-Secretary General) – China</li>
<li>Kombada Mhopjeni (Co-Secretary General) – Namibia</li>
<li>Mark Rattenbury (Treasurer) – New Zealand</li>
<li>Kazuhiro Miyazaki – Japan</li>
<li>Éric Boisvert – Canada</li>
<li>Christelle Loiselet – France</li>
<li>Edward Lewis – UK</li>
<li>Ollie Raymond (Observer) – Australia</li>
<li>David Percy (Observer) – USA</li>
<li>François Robida (former Chair) – France</li>
</ul></description></item><item><title>Four Year Report 2016 - 2020</title><link>https://cgi-iugs.github.io/publication/4yreport1620/</link><pubDate>Wed, 01 Jul 2020 11:12:01 +0100</pubDate><guid>https://cgi-iugs.github.io/publication/4yreport1620/</guid><description/></item><item><title>Annual Report 2020</title><link>https://cgi-iugs.github.io/publication/annualreport2020/</link><pubDate>Wed, 01 Jul 2020 11:11:29 +0100</pubDate><guid>https://cgi-iugs.github.io/publication/annualreport2020/</guid><description/></item><item><title>EarthResourceML</title><link>https://cgi-iugs.github.io/project/earthresourceml/</link><pubDate>Fri, 12 Jun 2020 11:49:44 +0100</pubDate><guid>https://cgi-iugs.github.io/project/earthresourceml/</guid><description><p>
<a href="mailto:michael.sexton@ga.gov.au?subject=Application%20to%20join%20the%20EarthResourceML%20Working%20Group">Join the EarthResourceML team</a></p>
<h2 id="what-is-earthresourceml">What is EarthResourceML?</h2>
<p>EarthResourceML (ERML) is an XML-based data transfer standard for the exchange of digital information for mineral occurrences, mines and mining activity. EarthResourceML describes the geological characteristics and setting of mineral occurrences, their contained commodities and their mineral resource and reserve endowment. It is also able to describe mines and mining activities, and production of concentrates, refined product and waste materials.</p>
<p>EarthResourceML makes use of the existing GeoSciML data standard for describing geological materials associated with mineral deposits. It is also underpinned by established OGC and ISO standards, including web feature service (WFS - ISO 19142), geography markup language (GML - ISO 19136), and SWE Common.</p>
<p>A parallel data standard for simple visualisation, EarthResourceML-Lite (ERML Lite), has also been developed. It enables the portrayal of a simplified set of the ERML data model using web map services (WMS) or simple web feature services (WFS).</p>
<p>Example uses:</p>
<p>
<a href="http://www.europe-geology.eu/mineral-resources/mineral-resources-map/critical-raw-materials-map/" target="_blank" rel="noopener"><img src="https://cgi-iugs.github.io/img/egdi_2019.jpg" alt="EGDI"></a></p>
<p>
<a href="http://portal.geoscience.gov.au/" target="_blank" rel="noopener"><img src="https://cgi-iugs.github.io/img/ausgin_2019.jpg" alt="AUSGIN portal"></a></p>
<p>
<a href="http://portal.onegeology.org/OnegeologyGlobal/" target="_blank" rel="noopener"><img src="https://cgi-iugs.github.io/img/oneGeology_2019.jpg" alt="OneGeology"></a></p>
<h2 id="history-of-earthresourceml">History of EarthResourceML</h2>
<p>EarthResourceML (ERML) was born from a model developed by the Australian Government Geoscience Information Committee (GGIC) from 2004–2008. The CGI took over governance of the Australian model in 2008, and, after modifications by the CGI Interoperability Working Group, EarthResourceML version 1.1 was published in 2009. After some further revision, mainly to accommodate the needs of the European INSPIRE Directive, EarthResourceML version 2.0 was published in 2013.</p>
<p>Future development of ERML, and the simple-feature variant of ERML (ERML Lite), which supports simple portrayal requirements (e.g. WMS), will be undertaken by the EarthResourceML Working Group.</p>
<p>ERML Lite version 1.0 was published in 2016 and the current version (2.0) was accepted in 2017 and published in 2018.</p>
<p>The international ERML development team meets at least annually to ensure that ERML continues to address the needs of data providers and users. Recent meetings have been held in St Petersburg (2013), Tuscon (2014), Ispra (2015), Vienna (2017) and Vancouver (2018).</p>
<h2 id="downloads-and-other-resources">Downloads and other resources</h2>
<ul>
<li>
<a href="http://www.earthresourceml.org" target="_blank" rel="noopener">www.earthresourceml.org</a>: documentation, UML models, examples, and XML schemas for ERML and ERML Lite</li>
<li>XSD schemas for
<a href="http://schemas.earthresourceml.org/2.0/" target="_blank" rel="noopener">version 2.0</a></li>
<li>XSD schemas for
<a href="http://www.earthresourceml.org/earthresourceml/1.1/xsd/" target="_blank" rel="noopener">version 1.1</a></li>
<li>
<a href="https://www.seegrid.csiro.au/wiki/CGIModel/EarthResourceML" target="_blank" rel="noopener">Wiki</a> for the development of the ERML data standard</li>
<li>
<a href="http://resource.geosciml.org/" target="_blank" rel="noopener">resource.geosciml.org</a>: the GeoSciML vocabulary repository contains useful vocabularies to support delivery of interoperable geological data for mineral occurrences and mines</li>
<li>
<a href="https://www.seegrid.csiro.au/wiki/CGIModel/EarthResourceMLPresentations" target="_blank" rel="noopener">publications and presentations</a>: conference abstracts, posters and presentations describing ERML and related projects from 2007 to 2016. (Please respect the copyright of the authors of these publications.)</li>
</ul>
<h2 id="global-use-of-erml">Global use of ERML</h2>
<p>ERML is used or endorsed as the mineral resources data transfer standard by data-sharing initiatives across the world. Some examples include:</p>
<ul>
<li>
<a href="http://inspire.ec.europa.eu/" target="_blank" rel="noopener">European INSPIRE Directive</a>: uses ERML as its data standard for exchange of mineral resource information between countries of the European Union. The implementation projects are
<a href="http://www.minerals4eu.eu/" target="_blank" rel="noopener">Minerals4EU</a> and
<a href="http://www.europe-geology.eu/" target="_blank" rel="noopener">EGDI</a>.</li>
<li>The Australian
<a href="http://auscope.org.au/site/" target="_blank" rel="noopener">AuScope</a> and
<a href="http://www.geoscience.gov.au/" target="_blank" rel="noopener">AUSGIN</a> projects use ERML Lite to deliver mineral resource data from state and territory agencies.</li>
<li>The
<a href="http://www.onegeology.org/" target="_blank" rel="noopener">OneGeology project</a> uses ERML Lite web feature services in its portal of worldwide geological map and mineral resource data.</li>
</ul>
<h2 id="working-group">Working group</h2>
<p>The SWG contains members from all over the world, including:</p>
<ul>
<li>
<a href="mailto:michael.sexton@ga.gov.au">Michael Sexton</a> (Chair; GA, Australia)</li>
<li>Daniel Cassard (BRGM, France)</li>
<li>Tjerk Heijboer (GEUS, Denmark)</li>
<li>James Passmore (BGS, UK)</li>
<li>Mark Rattenbury (GNS, New Zealand)</li>
<li>Oliver Raymond (Geoscience Australia)</li>
<li>François Tertre (BRGM, France)</li>
<li>plus other observers</li>
</ul>
<p>
<a href="https://inspire.ec.europa.eu/" target="_blank" rel="noopener"><img src="https://cgi-iugs.github.io/img/inspire_2019.jpg" alt=""></a>
<a href="http://www.minerals4eu.eu/" target="_blank" rel="noopener"><img src="https://cgi-iugs.github.io/img/minerals4u_logo.jpg" alt=""></a>
<a href="http://www.geoscience.gov.au/" target="_blank" rel="noopener"><img src="https://cgi-iugs.github.io/img/ASGIN_logo.jpg" alt=""></a>
<a href="http://www.onegeology.org" target="_blank" rel="noopener"><img src="https://cgi-iugs.github.io/img/onegeology_logo_large.png" alt=""></a>
<a href="http://www.europe-geology.eu/" target="_blank" rel="noopener"><img src="https://cgi-iugs.github.io/img/egdi_logo.jpg" alt=""></a>
<a href="https://www.auscope.org.au/" target="_blank" rel="noopener"><img src="https://cgi-iugs.github.io/img/auscope.jpg" alt=""></a></p></description></item><item><title>GeoSciML</title><link>https://cgi-iugs.github.io/project/geosciml/</link><pubDate>Fri, 12 Jun 2020 11:49:33 +0100</pubDate><guid>https://cgi-iugs.github.io/project/geosciml/</guid><description><ul>
<li>
<a href="#what-is-geosciml">What is GeoSciML?</a></li>
<li>
<a href="#why-do-we-need-geosciml">Why do we need GeoSciML?</a></li>
<li>
<a href="#history-of-geosciml">History of GeoSciML</a></li>
<li>
<a href="#downloads-and-other-resources">Downloads and Other Resources</a></li>
<li>
<a href="#geosciml-standards-working-group">GeoSciML Standards Working Group</a></li>
<li>
<a href="#global-use-of-geosciml">Global Use of GeoSciML</a></li>
</ul>
<p>
<a href="mailto:eric.boisvert2@canada.ca?subject=Application%20to%20join%20the%20GeoSciML%20Standards%20Working%20Group">Join the GeoSciML team</a></p>
<h2 id="what-is-geosciml">What is GeoSciML</h2>
<p><img src="https://cgi-iugs.github.io/img/map_image.jpg" alt="GeoSciML map"></p>
<p><strong>GeoSciML</strong> is an XML–based data transfer standard for the exchange of digital geoscientific information. It accommodates the representation and description of features typically found on geological maps, as well as being extensible to other geoscience data such as drilling, sampling, and analytical data.</p>
<p>GeoSciML provides a standard data structure for a suite of common geologic features (eg, geologic units, structures, earth materials) and artefacts of geological investigations (eg, boreholes, specimens, measurements). Supporting objects such as the geologic timescale and vocabularies are also provided as linked resources, so that they can be used as classifiers for the primary objects in the GeoSciML standard.</p>
<p>The GeoSciML data standard is underpinned by several established OGC and ISO standards, including Web Feature Service (WFS – ISO 19142), Geography Markup Language (GML – ISO 19136), Observations &amp; Measurements (O&amp;M – ISO 19156), and SWE Common.</p>
<p>A parallel data standard for simple map visualisation, <strong>GeoSciML-Portrayal</strong>, has also been developed. It enables portrayal of a small simplified subset of the GeoSciML data model using Web Map Services (WMS) or simple Web Feature Services (WFS).</p>
<h2 id="why-do-we-need-geosciml">Why do we need GeoSciML</h2>
<p>Users of geoscience maps and data know that geological features have no respect for national or provincial borders. Inevitably users of geoscience data will need to source data from more than one data provider. Receiving data in a number of local data formats is recognised as a major impediment to efficient and effective use of data.</p>
<p>GeoSciML seeks to provide a single, open source, globally agreed data structure that is used to deliver digital geological data over the internet. Additionally, the use of agreed vocabularies of geoscience terminology provides consistency in the semantic language used across geological datasets. Data providers do not need to change their internal databases to match the GeoSciML structure, but instead translate their data to the GeoSciML structure at the point of delivery.</p>
<h2 id="history-of-geosciml">History of GeoSciML</h2>
<p>The GeoSciML project was initiated in 2003 under the auspices of the CGI Working Group on Data Model Collaboration. The project was incorporated into the newly formed CGI Interoperability Working Group in 2004. In 2013, development of GeoSciML was moved to the current GeoSciML Standards Working Group, a collaboration between the CGI and the Open Geospatial Consortium (OGC).</p>
<p>A number of predecessor projects from North America, Europe, Australia and Asia have had a strong influence on the development of GeoSciML. These include activities undertaken within national statutory bodies (eg, British and Japanese Geological Surveys), in multi-jurisdictional contexts (eg, the
<a href="http://ngmdb.usgs.gov/www-nadm/" target="_blank" rel="noopener">North American Data Model</a> for geological maps) or oriented to an industry sector (eg, the Australian Exploration and Mining Markup Language -
<a href="https://www.seegrid.csiro.au/wiki/bin/view/Xmml/WebHome" target="_blank" rel="noopener">XMML</a>).</p>
<p>The international GeoSciML development team meets at least annually to ensure that GeoSciML continues to address the needs of data providers and users. Most recent meetings have been held in St Petersburg (2013), Tuscon (2014), Ispra (2015), Dublin (2016) and Vienna (2017).</p>
<h2 id="downloads-and-other-resources">Downloads and Other Resources</h2>
<ul>
<li>
<a href="http://www.geosciml.org" target="_blank" rel="noopener">www.geosciml.org</a> — Documentation, cookbooks, UML models, examples, and XML schemas for GeoSciML and GeoSciML-Portrayal.</li>
<li>
<a href="http://schemas.geosciml.org" target="_blank" rel="noopener">schemas.geosciml.org</a> — XML schemas for GeoSciML and GeoSciML-Portrayal.</li>
<li>
<a href="http://resource.geosciml.org" target="_blank" rel="noopener">resource.geosciml.org</a> — Geoscience vocabularies to support the GeoSciML data model, developed by the CGI Geoscience Terminology Working group and its predecessors.</li>
<li>
<a href="https://www.seegrid.csiro.au/wiki/CGIModel/GeoSciMLPresentations" target="_blank" rel="noopener">Publications and presentations</a> — Articles and conference abstracts, posters and presentations describing GeoSciML and related projects from 2006 to 2016. (Please respect the copyright of the authors of these publications.)</li>
</ul>
<h2 id="geosciml-standards-working-group">GeoSciML Standards Working Group</h2>
<ul>
<li>The
<a href="http://www.opengeospatial.org/projects/groups/geoscimlswg" target="_blank" rel="noopener">GeoSciML SWG</a> is responsible for development and governance of GeoSciML. Members of the OGC can join the OGC GeoSciML Standards Working Group (SWG) as observers through the
<a href="https://portal.opengeospatial.org/" target="_blank" rel="noopener">OGC Portal</a>, and can apply to be full SWG members after a short period.</li>
<li>A
<a href="https://lists.opengeospatial.org/mailman/listinfo/geosciml" target="_blank" rel="noopener">mailing list</a> is available for anyone interested in GeoSciML development. You do not have to be a member of OGC or the GeoSciML SWG to be on this mailing list.</li>
<li>
<a href="http://external.opengeospatial.org/twiki_public/GeoSciMLswg/WebHome" target="_blank" rel="noopener">Wiki</a> - The work of the GeoSciML SWG is recorded on its
<a href="http://external.opengeospatial.org/twiki_public/GeoSciMLswg/WebHome" target="_blank" rel="noopener">public wiki site</a>. The wiki also contains links to all previous development of the GeoSciML model which was done under the CGI Interoperability Working Group.</li>
</ul>
<p>The SWG contains members from all over the world, including:</p>
<ul>
<li>Eric Boisvert (Chair - Geological Survey of Canada)</li>
<li>Oliver Raymond (Geoscience Australia)</li>
<li>Sylvain Grellet (BRGM, France)</li>
<li>Tim Duffy (British Geological Survey)</li>
<li>Marcus Sen (British Geological Survey)</li>
<li>James Passmore (British Geological Survey)</li>
<li>Jouni Vuollo (Geological Survey of Finland)</li>
<li>Mark Rattenbury (GNS, New Zealand)</li>
<li>Alistair Ritchie (Landcare Research, New Zealand)</li>
<li>Carlo Cipolloni (APAT, Italy)</li>
<li>Simon Cox (CSIRO, Australia)</li>
</ul>
<p>as well as many observers.</p>
<h2 id="global-use-of-geosciml">Global Use of GeoSciML</h2>
<p>GeoSciML is used, or is endorsed, as the geoscientific data transfer standard by data sharing initiatives across the world. Some examples include:</p>
<ul>
<li>The
<a href="http://www.onegeology.org" target="_blank" rel="noopener">OneGeology project</a> is currently demonstrating the use of GeoSciML web feature services and GeoSciML-Portrayal web map services in its portal of world-wide geological map data.</li>
<li>The
<a href="http://inspire.ec.europa.eu/" target="_blank" rel="noopener">European INSPIRE Directive</a> is using GeoSciML as its data standard for exchange of geological information between countries of the European Union.</li>
<li>The
<a href="http://usgin.org/" target="_blank" rel="noopener">US Geoscience Information Network</a> is using GeoSciML-Portrayal and GeoSciML to share geological data between government agencies, educational and private institutions.</li>
<li>The
<a href="http://ngwd-bdnes.cits.nrcan.gc.ca/service/api_ngwds/en/wmc/aquifermap.html" target="_blank" rel="noopener">Canadian Groundwater Information Network</a> uses an extension of GeoSciML – GroundwaterML – to integrate water well information from multiple jurisdictions.</li>
<li>The
<a href="http://portal.geoscience.gov.au/" target="_blank" rel="noopener">Australian Geoscience Information Network</a> and
<a href="http://auscope.org.au/site/" target="_blank" rel="noopener">AuScope</a> projects are using GeoSciML to deliver borehole data from Australian state and territory agencies.</li>
<li>The
<a href="http://www.aegos-project.org/index.php" target="_blank" rel="noopener">African-European Georesources Observation System</a> is promoting GeoSciML as the standard for geoscience data exchange across Africa.</li>
</ul>
<p>
<a href="http://www.onegeology.org" target="_blank" rel="noopener"><img src="https://cgi-iugs.github.io/img/onegeology.jpg" alt="OneGeology logo"></a>
<a href="http://inspire.ec.europa.eu/" target="_blank" rel="noopener"><img src="https://cgi-iugs.github.io/img/inspire_logo.jpg" alt="INSPIRE logo"></a>
<a href="http://usgin.org/" target="_blank" rel="noopener"><img src="https://cgi-iugs.github.io/img/l-logo-usgin-75.png" alt="USGIN logo"></a>
<a href="http://ngwd-bdnes.cits.nrcan.gc.ca/service/api_ngwds/en/wmc/aquifermap.html" target="_blank" rel="noopener"><img src="https://cgi-iugs.github.io/img/CanGIN.png" alt="Groundwater Information Network logo"></a>
<a href="http://portal.geoscience.gov.au/" target="_blank" rel="noopener"><img src="https://cgi-iugs.github.io/img/AUSGIN-logo.jpg" alt="AUSGIN logo"></a>
<a href="https://www.auscope.org.au/" target="_blank" rel="noopener"><img src="https://cgi-iugs.github.io/img/auscope_2019.png" alt="AuScope logo"></a>
<a href="https://cordis.europa.eu/project/rcn/89340/factsheet/en" target="_blank" rel="noopener"><img src="https://cgi-iugs.github.io/img/aegos.png" alt="AEGOS logo"></a></p></description></item><item><title>CGI council elections</title><link>https://cgi-iugs.github.io/post/elections/</link><pubDate>Tue, 14 Apr 2020 23:01:15 +0100</pubDate><guid>https://cgi-iugs.github.io/post/elections/</guid><description><p>Nominations for CGI Council for 2020–24 are open. Any CGI member can nominate to serve on the council to help organise CGI&rsquo;s standards programme and the outreach activities of the CGI. Councillors must have support to be able to attend annual council meetings (the next one will be at the 36th IGC in Delhi in March 2020) and to devote time to implement CGI&rsquo;s mission.
<a href="https://cgi-iugs.github.io/misc/councilapp/">Full procedures</a></p></description></item><item><title>CGI Award for Young Earth Scientists at the 36th IGC</title><link>https://cgi-iugs.github.io/post/cgiaward/</link><pubDate>Tue, 14 Jan 2020 23:01:43 +0100</pubDate><guid>https://cgi-iugs.github.io/post/cgiaward/</guid><description><p>CGI sponsors an award to assist early career scientists to present at conferences such as the IGC on the use of CGI standards in data delivery and analysis. The award covers up to US$2000 towards the cost of travel and accommodation at the IGC in Delhi. Registration cost is covered by the Young Earth Scientists (YES) Network.
<a href="https://cgi-iugs.github.io/docs/CGI_YES_award_2019-20.pdf">Full details</a>.</p>
<p>Applications for the 36th IGC award close on 15 October 2019.</p></description></item><item><title>36th International Geological Congress</title><link>https://cgi-iugs.github.io/post/36thigc/</link><pubDate>Tue, 14 Jan 2020 23:01:29 +0100</pubDate><guid>https://cgi-iugs.github.io/post/36thigc/</guid><description><p>Abstracts are invited to the special symposium
<a href="https://www.36igc.org/science-program" target="_blank" rel="noopener">Advances in geoscience data sharing and processing</a> (Theme 45.10) at the 36th International Geological Congress (IGC). The symposium will highlight new techniques, standards, and algorithms for managing, delivering, visualising and analysing geoscience data both globally and regionally, including &lsquo;big&rsquo; data. The symposium is jointly organised by CGI, IAMG, and OneGeology.</p></description></item><item><title>Annual Report 2019</title><link>https://cgi-iugs.github.io/publication/annualreport2019/</link><pubDate>Mon, 01 Jul 2019 11:11:29 +0100</pubDate><guid>https://cgi-iugs.github.io/publication/annualreport2019/</guid><description/></item><item><title>OGC-CGI Geoscience Domain Working Group</title><link>https://cgi-iugs.github.io/project/geosciencedwg/</link><pubDate>Wed, 12 Jun 2019 11:50:14 +0100</pubDate><guid>https://cgi-iugs.github.io/project/geosciencedwg/</guid><description><h1 id="geoscience-domain-working-group">Geoscience Domain Working Group</h1>
<p>The
<a href="https://www.opengeospatial.org/projects/groups/geosciencedwg" target="_blank" rel="noopener">Geoscience Domain Working Group</a> (DWG) is a working group of the Open Geospatial Consortium (OGC) that is co-chaired by OGC and CGI. It aims to connect people to develop, improve and promote technologies for geoscience data description and sharing.</p>
<p>The DWG will:</p>
<ul>
<li>develop communications materials that focus on the technical problem area of geoscience data management and exchange</li>
<li>engage members of the geospatial data community (including relevant OGC working groups) and the geoscience community</li>
<li>conceive, design, coordinate and implement projects that demonstrate technical approaches to geoscience data management and exchange within the context of the OGC suite of technologies and other relevant emerging technologies</li>
<li>as appropriate, serve as a forum for the development of specification profiles and application schemas for geoscience purposes</li>
</ul>
<p>The DWG maintains an
<a href="https://portal.opengeospatial.org/?m=projects&amp;a=view&amp;project_id=539" target="_blank" rel="noopener">OGC mailing list</a> (requires an OGC login) and is currently chaired by Mickaël Beaufils from BRGM. Read
<a href="https://external.opengeospatial.org/twiki_public/pub/GeoScienceDWG/WebHome/OGC_GeoScience_Standards_AGU2018.pdf" target="_blank" rel="noopener">Mickaël’s presentation</a> illustrating the linkages between CGI, OGC, and other related projects.</p>
<h2 id="borehole-interoperability-experiment">Borehole Interoperability Experiment</h2>
<p><img src="https://cgi-iugs.github.io/img/ogc_x.png" alt="GeoSciML logo"></p>
<p>The Geoscience DWG is currently undertaking a
<a href="https://github.com/opengeospatial/boreholeie" target="_blank" rel="noopener">Borehole Interoperability Experiment</a>. This activity aims to clarify the commonalities between several existing data standards for describing a borehole, its associated data and their position along a borehole, including some OGC and CGI standards such as GroundwaterML and GeoSciML. These approaches are largely restricted to a specific borehole viewpoint (e.g. groundwater, petroleum, engineering). The IE aims to provide a semantic umbrella linked to the pre-existing work by distilling the core elements shared by all disciplines.</p>
<p>To join the Borehole Interoperability Experiment (with or without an OGC login), contact the project leader
<a href="mailto:S.Grellet@brgm.fr">Sylvain Grellet</a> (BRGM).</p>
<p><img src="https://cgi-iugs.github.io/img/boreholes.jpg" alt="Boreholes"></p></description></item><item><title>Geoscience Terminology Working Group (GTWG)</title><link>https://cgi-iugs.github.io/project/geoscienceterminology/</link><pubDate>Wed, 12 Jun 2019 11:50:03 +0100</pubDate><guid>https://cgi-iugs.github.io/project/geoscienceterminology/</guid><description><p>
<a href="mailto:chair.gtwg@gmail.com?subject=[Application]%20to%20join%20the%20Geoscience%20%20Working%20Group">Join the Geoscience Terminology team</a></p>
<h2 id="what-gtwg-does">What GTWG does</h2>
<p>The Geoscience Terminology Working Group develops, reviews, adopts, publishes and acts as steward for internationally accepted geoscience vocabularies under the auspices of the Commission for the Application and Management of Geoscience Information (CGI). The GTWG manages these vocabularies and their associated documentation for use in geoscience information systems, in particular for the
<a href="https://cgi-iugs.github.io/project/geosciml/">GeoSciML</a> and
<a href="https://cgi-iugs.github.io/project/earthresourceml/">EarthResourceML</a> data transfer standards. The group assesses proposals for new geoscience vocabularies and change requests for existing CGI vocabularies. GTWG also liaises with other semantic interoperability groups to ensure cross-domain interoperability and promotes the use of vocabularies for enhanced dataset interoperability.</p>
<h2 id="our-vocabularies">Our vocabularies</h2>
<p>More than 100 geoscience vocabularies have been identified to support the
<a href="http://www.geosciml.org/" target="_blank" rel="noopener">GeoSciML</a> and
<a href="http://www.earthresourceml.org/" target="_blank" rel="noopener">EarthResourceML</a> data models and over 50 of these have now been compiled and adopted. These are available through the
<a href="http://resource.geosciml.org/def/voc/" target="_blank" rel="noopener">CGI vocabularies register</a>. These vocabularies include key lists such as:</p>
<p>
<a href="http://resource.geosciml.org/classifier/cgi/lithology" target="_blank" rel="noopener">lithology</a></p>
<p>265 lithological rock names, hierarchically organised around up to six levels e.g. tholeiitic basalt, basalt, basic igneous rock, basic igneous material, igneous material, compound material</p>
<p>
<a href="http://resource.geosciml.org/classifier/cgi/commodity-code" target="_blank" rel="noopener">resource commodity types</a></p>
<p>293 types of earth-sourced commodity, hierarchically organised around up to six levels e.g. anthracite, coal, carbonaceous material, organic material, industrial material, direct use commodity</p>
<p>
<a href="http://resource.geosciml.org/classifier/cgi/contacttype" target="_blank" rel="noopener">nature of rock unit contacts</a></p>
<p>36 types of geological contacts, hierarchically organised around up to five levels, e.g. angular unconformable contact, unconformable contact, depositional contact, lithogenetic contact, contact</p>
<p>
<a href="http://resource.geosciml.org/classifier/cgi/boreholedrillingmethod" target="_blank" rel="noopener">borehole drilling method</a></p>
<p>30 types of drilling technology, hierarchically organised around up to three levels e.g. gravity core, direct push, core drilling</p>
<p>The important
<a href="http://resource.geosciml.org/" target="_blank" rel="noopener">CGI geological time vocabulary service</a> will be merged into the main CGI vocabularies register in the near future. The geological time vocabulary draws on age definitions established by the
<a href="http://www.stratigraphy.org/" target="_blank" rel="noopener">International Commission on Stratigraphy</a> and was the first CGI vocabulary to provide multi-lingual terms, currently in 19 languages.</p>
<p>The CGI vocabulary service is hosted by the
<a href="http://www.ands.org.au/" target="_blank" rel="noopener">Australian National Data Service</a> and is administered through
<a href="http://www.ga.gov.au/" target="_blank" rel="noopener">Geoscience Australia</a>. Additional resources are available from the
<a href="https://vocabs.ands.org.au/search#!/?q=&amp;p=1&amp;publisher=CGI%20Geoscience%20Terminology%20Working%20Group" target="_blank" rel="noopener">Research Vocabularies Australia website</a>, including downloadable code-lists in Resource Description Framework (RDF) formats (e.g. RDF/XML, JSON, Turtle) and Linked Data APIs.</p>
<h2 id="background">Background</h2>
<p>The CGI has had two previous workgroups involved in vocabulary production. The Multi-lingual Thesaurus Working Group was formed in 2003 to continue work of the Multhes working group of the 1990s. The Concept Definition Task Group was formed by the CGI Interoperability Working Group in 2007 to develop concept vocabularies for populating GeoSciML interchange documents. Because of the overlapping interests the CGI council has determined that it will be more efficient and effective to merge the efforts. The Geoscience Terminology Working Group was established early in 2013 to undertake this combined role.</p>
<h2 id="why-are-vocabularies-needed">Why are vocabularies needed?</h2>
<p><img src="https://cgi-iugs.github.io/img/granite_lithology.jpg" alt="Granite lithology"></p>
<p>Vocabularies are restricted lists of agreed terms that describe features contained in database fields. By limiting database values to the contents of common agreed vocabularies the interoperability and interchange of the information is enhanced. The list contents are also multi-lingual where translations of the originating list language are made available in other languages. Vocabularies also organise their terms hierarchically so that terms can be parts of a group that is a valid term itself. For example &ldquo;basalt&rdquo; and &ldquo;gabbroic rock&rdquo; are narrower adopted CGI terms for the broader level &ldquo;basic igneous rock&rdquo;. and this enables database searching or map portrayal based on either the broader or the narrower term.</p>
<h2 id="how-vocabularies-are-adopted">How vocabularies are adopted</h2>
<p>Proposals for new geoscience vocabularies or change requests for existing CGI vocabularies, are lodged with the GTWG, usually instigated from within the group but can be initiated from outside for a specific requirement. Each proposal is assessed by the group to establish whether the changes are minor and do not require the GTWG&rsquo;s formal consultation, review and adoption process or whether the proposed changes are significant and need input from the group. Each new or changed vocabulary proposal is assigned a &lsquo;shepherd&rsquo; responsible for developing a draft vocabulary if new, or modifying a version of an existing vocabulary. The vocabulary proposal is then reviewed by the GTWG and through them colleagues and the wider community. After consultation and response to comments, the shepherd recommends voting for its adoption to the GTWG. Upon adoption, the vocabulary is registered in the CGI vocabulary repository.</p>
<p>Initial vocabulary development typically begins with a spreadsheet compilation of candidate terms using Excel and Google Sheets shared spreadsheets on the GTWG Google Drive facility. When a vocabulary has been completed, reviewed and adopted, it is migrated into
<a href="http://www.w3.org/2004/02/skos/" target="_blank" rel="noopener">SKOS</a>, an
<a href="https://www.w3.org/2001/sw/wiki/RDF" target="_blank" rel="noopener">RDF</a> application for encoding concepts with identifiers, definitions, source information, standard thesaurus type relationships, and language-localized labels. The RDF-encoded file is then migrated on to the vocabulary server, for example the
<a href="http://resource.geosciml.org/classifier/cgi/commodity-code/" target="_blank" rel="noopener">commodity code vocabulary</a>.</p>
<h2 id="how-to-lodge-a-request-for-change">How to lodge a Request for Change</h2>