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mahrufa-binta-ali/README.md

Hi, I'm Mahrufa Binta Ali ✨

AI/ML Research & Applied Software Development


πŸ‘©β€πŸ’» About Me

Coding

I work on AI/ML research and applied software projects, with a focus on building, testing, and evaluating intelligent systems.

My current work explores how machine learning models learn useful representations, align different types of data, and perform in retrieval-based tasks. I am especially interested in:

  • 🧠 Multimodal learning
  • πŸ” Retrieval systems
  • πŸ“Š Model evaluation
  • 🧬 Representation learning
  • πŸ₯ Medical AI
  • πŸ› οΈ Applied AI systems

I like building projects that do not stop at:

β€œThe model trained successfully.”

I care about what the model actually learned, how it behaves, where it fails, and whether the evaluation proves meaningful progress.

✨ Research & Technical Interests ✨

🧠 AI/ML Research





πŸ“Š Evaluation & Retrieval





πŸ› οΈ Applied Software






πŸš€ Featured AI/ML Projects

🧠 Spectral Geometry Embedding Analysis

Focus Area Type

A diagnostic project for studying embedding-space behavior using neighborhood preservation, clustering behavior, graph connectivity, and spectral structure.

πŸ”— View Repository

πŸ“Š FT-Transformer EHR Retrieval

Focus Area Data

A controlled benchmark comparing MLP and FT-Transformer-style tabular encoders for EHR-style retrieval tasks.

πŸ”— View Repository

⚑ False-Negative-Aware Contrastive Learning

Focus Loss Topic

An experiment studying how false negatives affect contrastive retrieval and how loss design changes model behavior.

πŸ”— View Repository

πŸ”— Propensity Matching for Multimodal Pairs

Focus Method Area

A project exploring pseudo-pairing, pair quality, and matching strategies in multimodal retrieval experiments.

πŸ”— View Repository

🩺 CXR-Text Bridge Retrieval

Focus Area Topic

A controlled medical AI-style project studying CXR-text retrieval and multimodal alignment.

πŸ”— View Repository

🎬 Sumora

Focus Stack Type

A natural-language movie discovery web application built with Next.js, TypeScript, Tailwind CSS, and movie APIs.

πŸ”— View Repository



πŸ“Š Evaluation Methods I Work With


🧰 Tools & Technologies

AI/ML: Python, PyTorch, NumPy, Pandas, Scikit-learn, Matplotlib
Software Development: TypeScript, Next.js, Tailwind CSS, Git, GitHub
Research Workflow: Experiment design, metric analysis, reproducible documentation, result interpretation


πŸ“Œ Portfolio Snapshot

πŸ§ͺ

Controlled Experiments
Sample size, pairing, loss design, and split behavior

πŸ“Š

Evaluation Metrics
Recall@K, lift-over-random, positive-pair similarity

🧬

Embedding Analysis
Geometry, clustering, trustworthiness, spectral diagnostics

πŸ› οΈ

Working Systems
Python ML pipelines, GitHub docs, Next.js web apps


🌱 Current Focus

I am currently building a portfolio of AI/ML and applied software projects focused on model behavior, evaluation, retrieval, representation learning, and practical AI systems.



πŸ”— Connect With Me



Building research-minded AI systems, one experiment at a time ✨

Pinned Loading

  1. research-portfolio-ai-retrieval-evaluation research-portfolio-ai-retrieval-evaluation Public

    Research portfolio connecting my work on multimodal learning, retrieval systems, contrastive learning, embedding geometry, and AI evaluation.

  2. propensity-matching-multimodal-pairs propensity-matching-multimodal-pairs Public

    Controlled benchmark for studying how pseudo-pair construction affects multimodal retrieval.

    Python

  3. fn-aware-contrastive-learning fn-aware-contrastive-learning Public

    Controlled benchmark comparing standard InfoNCE and false-negative-aware contrastive learning for retrieval.

    Python

  4. ft-transformer-ehr-retrieval ft-transformer-ehr-retrieval Public

    Controlled benchmark comparing MLP and FT-Transformer-style EHR encoders for multimodal retrieval.

    Python 1

  5. cxr-text-bridge-retrieval cxr-text-bridge-retrieval Public

    Controlled benchmark for studying CXR-text contrastive retrieval, image-report alignment, and retrieval failure modes.

    Python

  6. spectral-geometry-embedding-analysis spectral-geometry-embedding-analysis Public

    Controlled benchmark showing how spectral geometry diagnostics reveal embedding failures hidden by retrieval metrics.

    Python