An Optimization Approach for Sub-event Detection and Summarization in Twitter. - Polykarpos Meladianos; Christos Xypolopoulos; Giannis Nikolentzos; Michalis Vazirgiannis (ECIR, 2018)

Word Embeddings from Large-Scale Greek Web Content. - Stamatis Outsios; Konstantinos Skianis; Polykarpos Meladianos; Christos Xypolopoulos; Michalis Vazirgiannis (CoRR, 2018)

Scientometrics for Success and Influence in the Microsoft Academic Graph. - George Panagopoulos; Christos Xypolopoulos; Konstantinos Skianis; Christos Giatsidis; Jie Tang 001; Michalis Vazirgiannis (COMPLEX NETWORKS (2), 2019)

Performance in the Courtroom: Automated Processing and Visualization of Appeal Court Decisions in France. - Paul Boniol; George Panagopoulos; Christos Xypolopoulos; Rajaa El Hamdani; David Restrepo Amariles; Michalis Vazirgiannis (NLLP@KDD, 2020)

BERTweetFR : Domain Adaptation of Pre-Trained Language Models for French Tweets. - Yanzhu Guo; Virgile Rennard; Christos Xypolopoulos; Michalis Vazirgiannis (W-NUT, 2021)

Unsupervised Word Polysemy Quantification with Multiresolution Grids of Contextual Embeddings. - Christos Xypolopoulos; Antoine J.-P. Tixier; Michalis Vazirgiannis (EACL, 2021)

How COVID-19 Is Changing Our Language : Detecting Semantic Shift in Twitter Word Embeddings. - Yanzhu Guo; Christos Xypolopoulos; Michalis Vazirgiannis (CoRR, 2021)

Evaluation Of Word Embeddings From Large-Scale French Web Content. - Hadi Abdine; Christos Xypolopoulos; Moussa Kamal Eddine; Michalis Vazirgiannis (CoRR, 2021)

NLP Research and Resources at DaSciM, Ecole Polytechnique. - Hadi Abdine; Yanzhu Guo; Moussa Kamal Eddine; Giannis Nikolentzos; Stamatis Outsios; Guokan Shang; Christos Xypolopoulos; Michalis Vazirgiannis (CoRR, 2021)

Synthetic electronic health records generated with variational graph autoencoders. - Giannis Nikolentzos; Michalis Vazirgiannis; Christos Xypolopoulos; Markus Lingman; Erik G. Brandt (npj Digit. Medicine, 2023)

GreekBART: The First Pretrained Greek Sequence-to-Sequence Model. - Iakovos Evdaimon; Hadi Abdine; Christos Xypolopoulos; Stamatis Outsios; Michalis Vazirgiannis; Giorgos Stamou (LREC/COLING, 2024)

Graph Linearization Methods for Reasoning on Graphs with Large Language Models. - Christos Xypolopoulos; Guokan Shang; Xiao Fei; Giannis Nikolentzos; Hadi Abdine; Iakovos Evdaimon; Michail Chatzianastasis; Giorgos Stamou; Michalis Vazirgiannis (CoRR, 2024)

Bias in the Mirror : Are LLMs opinions robust to their own adversarial attacks. - Virgile Rennard; Christos Xypolopoulos; Michalis Vazirgiannis (ACL (1), 2025)