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Yvngval/README.md

Valentin Ponnoussamy

Wanted poster: Valentin 'Yvngval', bounty 1,300,000,000

Master 2 student in Data, Knowledge and Intelligence (DCI) at Université Paris Cité

Sailing the Grand Line of AI: machine learning, data science, NLP and generative AI (LLM / RAG).

Looking for a crew: 6-month end-of-studies internship in AI R&D, starting February 2027.

Université Paris Cité Paris, France LinkedIn Email


Captain's Profile

  • Master 2 student in DCI at Université Paris Cité, M1 completed with honors (mention Bien).
  • Skilled in machine learning, data science, NLP and generative AI (LLM / RAG).
  • Heading for AI R&D: I like projects where research ideas get benchmarked, explained and shipped.

Log Pose

  • Information retrieval and semantic search: BM25, embeddings, hybrid search
  • Retrieval-augmented generation and LLM-powered assistants
  • Explainable machine learning with SHAP
  • Vector search and approximate nearest neighbors (FAISS, HNSW)
  • Data privacy: anonymization, k-anonymity, l-diversity and the attacks that test them

Training Arc

  • Master in Data, Knowledge and Intelligence (DCI), Université Paris Cité — since September 2025
    M2 in progress, M1 with honors. Machine learning, data science, big data and stream processing, time series, semantic extraction and integration, logic and reasoning in AI, knowledge and uncertainty representation, planning.
  • Bachelor's degree in Computer Science, Université Paris Cité — 2021–2025, with honors
    Algorithms, data structures, databases, artificial intelligence, digital data processing, Java / C / Python programming, software engineering.

Voyages

Arc Project Stack Context
Poneglyph Information retrieval engine (Kaggle) — finds relevant documents from a question, comparing retrieval methods Python · BM25+ · Sentence Transformers 2026 · Data Science
Ohara ASADI, RAG AI chatbot — co-developed and deployed web app answering questions on administrative documents and generating quizzes Python · Django · ChromaDB 2025 · Bachelor's project
Impel Down Data privacy and utility (TER) — benchmark of anonymization methods protecting personal data Python · scikit-learn · ARX 2026 · M1 project
Water 7 Predictive maintenance and explainable AI — industrial failure prediction and analysis of what drives the model's decisions Python · XGBoost · SHAP 2026 · Personal project
Log Pose Fast similarity search (ANN) — vector search benchmark comparing speed, accuracy and resource usage Python · FAISS · HNSW 2026 · Big Data
Sabaody EventHub, event management platform — registrations, authentication and user roles, developed and deployed React · Django REST · JWT 2026 · Web programming

Arsenal

Languages of the Seas

Python SQL Java C C++ JavaScript R Bash PHP

Devil Fruits: Machine Learning and AI

scikit-learn XGBoost SHAP Sentence Transformers Hugging Face LlamaIndex

Poneglyph Readers: LLM and NLP

RAG Prompt Engineering Embeddings Hybrid Search TF-IDF BM25 FAISS

Log Pose: Data Science

NumPy pandas Matplotlib Seaborn t-SNE UMAP Apache Spark Jupyter

Shipwrights: Backend and APIs

Django Django REST Symfony Node.js Express.js REST API JWT

Figurehead: Frontend

React HTML CSS

The Ship's Hold: Databases

PostgreSQL MariaDB SQLite ChromaDB

Impel Down: Data Privacy

ARX k-anonymity l-diversity

Navigation Tools: DevOps and Tools

Docker Git GitHub SVN Linux MkDocs

Navigator AIs

ChatGPT Claude Claude Code Codex Gemini

Languages Spoken Aboard

French and Tamil (native) · English (professional) · German (beginner)

Crew Life

Active member and vice-president of the sports team of MIBDE, the student union of the mathematics and computer science faculty (since September 2022).

Den Den Mushi

GitHub · LinkedIn · Email

Pinned Loading

  1. mini-SGBD mini-SGBD Public

    Forked from Taliii7/mini-SGBD

    Java 2

  2. Project-ANN-Comparative-Method Project-ANN-Comparative-Method Public

    Benchmark of HNSW, IVF-PQ and LSH approximate nearest neighbor search on SIFT1M with FAISS, plus a PCA compression study

    Jupyter Notebook 2

  3. TER_Project TER_Project Public

    Anonymize the data, then try to break it: a privacy–utility benchmark with ARX, re-identification and MIA attacks.

    HTML 2

  4. Predictive-Maintenance-Explainable-ML Predictive-Maintenance-Explainable-ML Public

    Predictive maintenance on AI4I 2020: logistic regression, random forest and XGBoost compared on PR-AUC, explained with SHAP

    Jupyter Notebook 2

  5. ASADI-Assistant ASADI-Assistant Public

    Intelligent educational assistant built with Python and NLP for document-based learning and academic support.

    CSS 2

  6. Data_Science_Project Data_Science_Project Public

    Information retrieval engine for a Kaggle competition: TF-IDF, BM25+ and Sentence Transformers with category reranking and rank fusion

    Jupyter Notebook 2