CV

Education

• Ph.D in Computer Science and AI, Ecole Polytechnique, 2025 (expected)
• M.S. in Data science, Ecole Polytechnique, 2020
• B.S. in Mathematics, Université Grenoble ALpes, 2018

Work experience

• Research Engineer , July 2022 - Now
  • Linagora
  • Conducted engineering Research work alongside Ph.D studies, contributing to various tasks related to language model development
  • Curated, collected, and organized datasets from diverse sources to support training and evaluation of Large Language Models.
  • Implement pre-training and fine-tuning of Large Language Models using distributed computing frameworks.
  • Advanced research in dialogue summarization, utilizing linguistic and discourse-based graph structures.
• Natural Language Processing and Graph Research Engineer, April 2020 - July 2022
  • Ecole Polytechnique, LiX
  • Developed and trained models on graph-structured networks to enhance understanding of edge representations.
  • Trained a BERT style model for the classification and analysis of French tweets.
  • Analyzed shifts in offensive language on Twitter, with a focus on changes emerging during the COVID-19 pandemic.

Skills and Languages

• Machine Learning; Pytorch, Keras, Transformers, Scikit-learn, Pytorch Geometric
• Programming : Python, R, MATLaB, Numpy, C
• Languages : French (Native), English (C2), German (A2), Greek (Notions)
• Hobbies : Board Games, Powerlifting, Climbing

Publications

Bias in the Mirror: Are LLMs opinions robust to their own adversarial attacks?

Virgile Rennard, Christos Xypolopoulos, Michalis Vazirgiannis

MODEL: Large Language Models for Spontaneous French Dialogue

Jérôme Louradour, Julie Hunter, Ismaïl Harrando, Guokan Shang, Virgile Rennard, Jean-pierre Lorré

Leveraging Discourse Structure for Extractive Meeting Summarization

Virgile Rennard, Guokan Shang, Michalis Vazirgiannis, Julie Hunter

FREDSum: A Dialogue Summarization Corpus for French Political Debates

Virgile Rennard, Guokan Shang, Damien Grari, Julie Hunter, Michalis Vazirgiannis

Abstractive Meeting Summarization: A Survey

Virgile Rennard, Guokan Shang, Julie Hunter, Michalis Vazirgiannis

Automatic Analysis of Substantiation in Scientific Peer Reviews

Yanzhu Guo, Guokan Shang, Virgile Rennard, Michalis Vazirgiannis, Chloé Clavel

BERTweetFR: Domain adaptation of pre-trained language models for French tweets

Yanzhu Guo, Virgile Rennard, Christos Xypolopoulos, Michalis Vazirgiannis