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<!DOCTYPE html>
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<head>
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<title>Nir Grinberg</title>
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<meta name="twitter:description" content="Researching the intersection of social behavior and large-scale information systems.">
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<h1 class="text-4xl font-bold tracking-tight text-slate-900 dark:text-white mb-1">Nir Grinberg</h1>
<p class="text-base font-medium text-slate-600 dark:text-slate-300 mb-0.5">Assistant Professor</p>
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Stein Faculty of Computer and Information Science<br>
Ben-Gurion University of the Negev
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<!-- ─── Sticky nav (becomes fixed once header scrolls out of view) ─── -->
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<a href="#publications" class="nav-link px-3 py-1.5 rounded-lg text-sm font-medium text-slate-700 dark:text-slate-300 hover:text-indigo-600 dark:hover:text-indigo-400 hover:bg-indigo-50 dark:hover:bg-indigo-950/50 transition-colors">Publications</a>
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<a href="https://sel.cis.bgu.ac.il/" target="_blank" rel="noopener"
class="px-3 py-1.5 rounded-lg text-sm font-medium text-slate-700 dark:text-slate-300 hover:text-indigo-600 dark:hover:text-indigo-400 hover:bg-indigo-50 dark:hover:bg-indigo-950/50 transition-colors flex items-center gap-1">
Lab
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<!-- ─── Main content ─── -->
<main class="max-w-2xl mx-auto px-6 py-12">
<!-- About -->
<section id="bio">
<h2 class="text-xl font-semibold text-slate-900 dark:text-white mb-5">About</h2>
<div class="space-y-4 text-slate-700 dark:text-slate-300 leading-relaxed">
<p>
I am an Assistant Professor in the
<a href="https://www.bgu.ac.il/en/u/faculties/computer-and-information-science/" target="_blank" rel="noopener" class="text-indigo-600 dark:text-indigo-400 underline underline-offset-2 hover:text-indigo-800 dark:hover:text-indigo-300">Stein Faculty of Computer and Information Science</a>
at Ben-Gurion University of the Negev, where I direct the
<a href="https://sel.cis.bgu.ac.il/" target="_blank" rel="noopener" class="text-indigo-600 dark:text-indigo-400 underline underline-offset-2 hover:text-indigo-800 dark:hover:text-indigo-300">Socially Embedded Lab</a>.
Before joining BGU, I was a postdoc at the
<a href="https://www.lazerlab.net/" target="_blank" rel="noopener" class="text-indigo-600 dark:text-indigo-400 underline underline-offset-2 hover:text-indigo-800 dark:hover:text-indigo-300">Lazer Lab</a> at the
<a href="https://www.networkscienceinstitute.org/" target="_blank" rel="noopener" class="text-indigo-600 dark:text-indigo-400 underline underline-offset-2 hover:text-indigo-800 dark:hover:text-indigo-300">Network Science Institute</a>
(Northeastern University) and a Research Fellow at the
<a href="https://www.iq.harvard.edu/" target="_blank" rel="noopener" class="text-indigo-600 dark:text-indigo-400 underline underline-offset-2 hover:text-indigo-800 dark:hover:text-indigo-300">Institute for Quantitative Social Science</a>
(Harvard University).
I received my PhD from Cornell University under the supervision of
<a href="https://mornaaman.com/" target="_blank" rel="noopener" class="text-indigo-600 dark:text-indigo-400 underline underline-offset-2 hover:text-indigo-800 dark:hover:text-indigo-300">Mor Naaman</a>.
</p>
<p>
My research investigates social behavior in large-scale, online information systems. I study areas where systems are suboptimal for people -- e.g., not meeting their needs, goals, or expectations -- and propose new computational measures to bridge the gaps. I am particularly excited about methods (machine learning, natural language processing, online panels) that extend our ability to see the online world, advance our understanding of algorithms in these spaces, and align systems with the needs of individuals and society.
</p>
<p class="text-sm text-slate-600 dark:text-slate-400">
<span class="font-semibold text-slate-700 dark:text-slate-300">Awards:</span>
BGU Teaching Innovation (2022) · BGU Teaching Excellence (2025) · BGU Research Excellence (2025)
</p>
</div>
</section>
<!-- Publications -->
<section id="publications" class="border-t border-slate-200 dark:border-slate-800 pt-10 mt-14">
<h2 class="text-xl font-semibold text-slate-900 dark:text-white mb-4">Select publications</h2>
<p class="text-slate-700 dark:text-slate-300 leading-relaxed mb-8">
Below are select publications. See my
<a href="https://sel.cis.bgu.ac.il/#publications" target="_blank" rel="noopener" class="text-indigo-600 dark:text-indigo-400 underline underline-offset-2 hover:text-indigo-800 dark:hover:text-indigo-300">lab's website</a>
and
<a href="https://scholar.google.com/citations?user=7PPJ0CMAAAAJ" target="_blank" rel="noopener" class="text-indigo-600 dark:text-indigo-400 underline underline-offset-2 hover:text-indigo-800 dark:hover:text-indigo-300">Google Scholar</a>
for the complete list of publications.
</p>
<ol class="space-y-7">
<!-- Journal icon SVG (reused inline) -->
<!-- Conference icon SVG (reused inline) -->
<li class="flex gap-3.5 items-start" itemscope itemtype="https://schema.org/ScholarlyArticle">
<span title="Science" class="flex-shrink-0 mt-1.5">
<img src="logos/science-logo3.svg" alt="Science" class="dark:invert w-auto h-4">
</span>
<div>
<a href="https://doi.org/10.1126/science.adl4435" itemprop="url" target="_blank" rel="noopener"
class="font-semibold text-slate-900 dark:text-white hover:text-indigo-600 dark:hover:text-indigo-400 transition-colors leading-snug block mb-1">
<span itemprop="name">Supersharers of fake news on Twitter</span>
</a>
<p class="text-sm text-slate-600 dark:text-slate-400">
<span itemprop="author">Sahar Baribi-Bartov, Briony Swire-Thompson, and Nir Grinberg</span>
· <em><span itemprop="publisher">Science</span></em>, <span itemprop="datePublished">2024</span>
</p>
<a href="https://sel.cis.bgu.ac.il/assets/pubs/supersharers-science-2024.pdf" target="_blank" rel="noopener"
class="text-sm text-slate-600 dark:text-slate-400" style="border-bottom: 1px dotted; padding-bottom: 0px; text-decoration: none;">
<font color="649AEE">pdf</font>
</a>
</div>
</li>
<li class="flex gap-3.5 items-start" itemscope itemtype="https://schema.org/ScholarlyArticle">
<span title="Science" class="flex-shrink-0 mt-1.5">
<img src="logos/science-logo3.svg" alt="Science" class="dark:invert w-auto h-4">
</span>
<div>
<a href="https://doi.org/10.1126/science.aau2706" itemprop="url" target="_blank" rel="noopener"
class="font-semibold text-slate-900 dark:text-white hover:text-indigo-600 dark:hover:text-indigo-400 transition-colors leading-snug block mb-1">
<span itemprop="name">Fake news on Twitter during the 2016 U.S. presidential election</span>
</a>
<p class="text-sm text-slate-600 dark:text-slate-400">
<span itemprop="author">Nir Grinberg, Kenneth Joseph, Lisa Friedland, Briony Swire-Thompson, and David Lazer</span>
· <em><span itemprop="publisher">Science</span></em>, <span itemprop="datePublished">2019</span>
</p>
<a href="https://sel.cis.bgu.ac.il/assets/pubs/fake-news-science-2019.pdf" target="_blank" rel="noopener"
class="text-sm text-slate-600 dark:text-slate-400" style="border-bottom: 1px dotted; padding-bottom: 0px; text-decoration: none;">
<font color="649AEE">pdf</font>
</a>
</div>
</li>
<li class="flex gap-3.5 items-start" itemscope itemtype="https://schema.org/ScholarlyArticle">
<span title="PNAS Nexus" class="flex-shrink-0 mt-1.5 dark:bg-white dark:rounded dark:p-px">
<img src="logos/pnas_nexus.jpg" alt="PNAS Nexus" class="w-10 h-10 object-contain">
</span>
<div>
<a href="https://doi.org/10.1093/pnasnexus/pgaf309" itemprop="url" target="_blank" rel="noopener"
class="font-semibold text-slate-900 dark:text-white hover:text-indigo-600 dark:hover:text-indigo-400 transition-colors leading-snug block mb-1">
<span itemprop="name">Can social media reliably estimate unemployment?</span>
</a>
<p class="text-sm text-slate-600 dark:text-slate-400">
<span itemprop="author">Do Lee, Manuel Tonneau, Boris Sobol, Nir Grinberg, and Samuel P. Fraiberger</span>
· <em><span itemprop="publisher">PNAS Nexus</span></em>, <span itemprop="datePublished">2025</span>
</p>
<a href="https://sel.cis.bgu.ac.il/assets/pubs/lee-unemployment-pnas-nexus-2025.pdf" target="_blank" rel="noopener"
class="text-sm text-slate-600 dark:text-slate-400" style="border-bottom: 1px dotted; padding-bottom: 0px; text-decoration: none;">
<font color="649AEE">pdf</font>
</a>
</div>
</li>
<li class="flex gap-3.5 items-start" itemscope itemtype="https://schema.org/ScholarlyArticle">
<span title="KDD" class="flex-shrink-0 mt-1.5 dark:bg-white dark:rounded dark:p-px">
<img src="logos/kdd-logo.png" alt="KDD" class="w-10 h-10 object-contain">
</span>
<div>
<a href="https://doi.org/10.1145/3637528.3671539" itemprop="url" target="_blank" rel="noopener"
class="font-semibold text-slate-900 dark:text-white hover:text-indigo-600 dark:hover:text-indigo-400 transition-colors leading-snug block mb-1">
<span itemprop="name">Leveraging Exposure Networks for Detecting Fake News Sources</span>
</a>
<p class="text-sm text-slate-600 dark:text-slate-400">
<span itemprop="author">Maor Reuben, Lisa Friedland, Rami Puzis, and Nir Grinberg</span>
· <em><span itemprop="publisher">KDD</span></em>, <span itemprop="datePublished">2024</span>
</p>
<a href="https://sel.cis.bgu.ac.il/assets/pubs/fn-source-detect-kdd-2024.pdf" target="_blank" rel="noopener"
class="text-sm text-slate-600 dark:text-slate-400" style="border-bottom: 1px dotted; padding-bottom: 0px; text-decoration: none;">
<font color="649AEE">pdf</font>
</a>
</div>
</li>
<li class="flex gap-3.5 items-start" itemscope itemtype="https://schema.org/ScholarlyArticle">
<span title="ACL" class="flex-shrink-0 mt-1.5">
<img src="logos/acl.svg" alt="ACL" class="w-10 h-10 object-contain dark:invert">
</span>
<div>
<a href="https://doi.org/10.18653/v1/2022.acl-long.453" itemprop="url" target="_blank" rel="noopener"
class="font-semibold text-slate-900 dark:text-white hover:text-indigo-600 dark:hover:text-indigo-400 transition-colors leading-snug block mb-1">
<span itemprop="name">Multilingual Detection of Personal Employment Status on Twitter</span>
</a>
<p class="text-sm text-slate-600 dark:text-slate-400">
<span itemprop="author">Manuel Tonneau, Dhaval Adjodah, João Palotti, Nir Grinberg, and Samuel P. Fraiberger</span>
· <em><span itemprop="publisher">ACL</span></em>, <span itemprop="datePublished">2022</span>
</p>
<a href="https://sel.cis.bgu.ac.il/assets/pubs/detect-unemp-acl2022.pdf" target="_blank" rel="noopener"
class="text-sm text-slate-600 dark:text-slate-400" style="border-bottom: 1px dotted; padding-bottom: 0px; text-decoration: none;">
<font color="649AEE">pdf</font>
</a>
</div>
</li>
<li class="flex gap-3.5 items-start" itemscope itemtype="https://schema.org/ScholarlyArticle">
<span title="SIGCHI" class="flex-shrink-0 mt-1.5 dark:bg-white dark:rounded dark:p-px">
<img src="logos/sigchi-symbol.jpg" alt="SIGCHI" class="w-10 h-10 object-contain">
</span>
<div>
<a href="https://dl.acm.org/doi/10.1145/2858036.2858501" itemprop="url" target="_blank" rel="noopener"
class="font-semibold text-slate-900 dark:text-white hover:text-indigo-600 dark:hover:text-indigo-400 transition-colors leading-snug block mb-1">
<span itemprop="name">Changes in Engagement Before and After Posting to Facebook</span>
</a>
<p class="text-sm text-slate-600 dark:text-slate-400">
<span itemprop="author">Nir Grinberg, P. Alex Dow, Lada A. Adamic, and Mor Naaman</span>
· <em><span itemprop="publisher">CHI</span></em>, <span itemprop="datePublished">2016</span>
</p>
<a href="https://sel.cis.bgu.ac.il/assets/pubs/contribution2016grinberg.pdf" target="_blank" rel="noopener"
class="text-sm text-slate-600 dark:text-slate-400" style="border-bottom: 1px dotted; padding-bottom: 0px; text-decoration: none;">
<font color="649AEE">pdf</font>
</a>
</div>
</li>
</ol>
</section>
<!-- Prospective Students -->
<section id="students" class="border-t border-slate-200 dark:border-slate-800 pt-10 mt-14">
<h2 class="text-xl font-semibold text-slate-900 dark:text-white mb-5">Prospective students</h2>
<div class="space-y-4 text-slate-700 dark:text-slate-300 leading-relaxed">
<p>
I am always looking for motivated MSc and PhD students to join the
<a href="https://sel.cis.bgu.ac.il/" target="_blank" rel="noopener" class="text-indigo-600 dark:text-indigo-400 underline underline-offset-2 hover:text-indigo-800 dark:hover:text-indigo-300">Socially Embedded Lab</a>
at Ben-Gurion University. I am particularly interested in students with a strong quantitative background and a passion for computational social science, natural language processing, or large-scale social media analysis.
</p>
<p>
If you are interested in joining the lab, please send me an email with your recent CV, transcripts, a brief description of your research interests, and why you think we are a good fit. To stand out, please read 2-3 of my recent papers (see my
<a href="https://sel.cis.bgu.ac.il/" target="_blank" rel="noopener" class="text-indigo-600 dark:text-indigo-400 underline underline-offset-2 hover:text-indigo-800 dark:hover:text-indigo-300">lab website</a> or
<a href="https://scholar.google.com/citations?user=7PPJ0CMAAAAJ" target="_blank" rel="noopener" class="text-indigo-600 dark:text-indigo-400 underline underline-offset-2 hover:text-indigo-800 dark:hover:text-indigo-300">Google Scholar profile</a>)
and describe what methodological aspects of our work excite you.
</p>
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