Christos Xypolopoulos

19 papers A 2Journal 12Unranked 5
YearRankTypeTitle / Venue / Authors
2026 J jnl
GreekMMLU: A Native-Sourced Multitask Benchmark for Evaluating Language Models in Greek.
CoRR
Yang Zhang, Mersin Konomi, Christos Xypolopoulos, Konstantinos Divriotis, Konstantinos Skianis, Giannis Nikolentzos, Giorgos Stamou, Guokan Shang, Michalis Vazirgiannis
2025 — conf
Bias in the Mirror : Are LLMs opinions robust to their own adversarial attacks.
ACL (1)
Virgile Rennard, Christos Xypolopoulos, Michalis Vazirgiannis
2024 J jnl
Bias in the Mirror : Are LLMs opinions robust to their own adversarial attacks ?
CoRR
Virgile Rennard, Christos Xypolopoulos, Michalis Vazirgiannis
2024 J jnl
Graph Linearization Methods for Reasoning on Graphs with Large Language Models.
CoRR
Christos Xypolopoulos, Guokan Shang, Xiao Fei, Giannis Nikolentzos, Hadi Abdine, Iakovos Evdaimon, Michail Chatzianastasis, Giorgos Stamou, Michalis Vazirgiannis
2024 — conf
GreekBART: The First Pretrained Greek Sequence-to-Sequence Model.
LREC/COLING
Iakovos Evdaimon, Hadi Abdine, Christos Xypolopoulos, Stamatis Outsios, Michalis Vazirgiannis, Giorgos Stamou
2023 J jnl
GreekBART: The First Pretrained Greek Sequence-to-Sequence Model.
CoRR
Iakovos Evdaimon, Hadi Abdine, Christos Xypolopoulos, Stamatis Outsios, Michalis Vazirgiannis, Giorgos Stamou
2023 J jnl
Synthetic electronic health records generated with variational graph autoencoders.
npj Digit. Medicine
Giannis Nikolentzos, Michalis Vazirgiannis, Christos Xypolopoulos, Markus Lingman, Erik G. Brandt
2021 — conf
BERTweetFR : Domain Adaptation of Pre-Trained Language Models for French Tweets.
W-NUT
Yanzhu Guo, Virgile Rennard, Christos Xypolopoulos, Michalis Vazirgiannis
2021 J jnl
BERTweetFR : Domain Adaptation of Pre-Trained Language Models for French Tweets.
CoRR
Yanzhu Guo, Virgile Rennard, Christos Xypolopoulos, Michalis Vazirgiannis
2021 J jnl
Evaluation Of Word Embeddings From Large-Scale French Web Content.
CoRR
Hadi Abdine, Christos Xypolopoulos, Moussa Kamal Eddine, Michalis Vazirgiannis
2021 J jnl
How COVID-19 Is Changing Our Language : Detecting Semantic Shift in Twitter Word Embeddings.
CoRR
Yanzhu Guo, Christos Xypolopoulos, Michalis Vazirgiannis
2021 J jnl
NLP Research and Resources at DaSciM, Ecole Polytechnique.
CoRR
Hadi Abdine, Yanzhu Guo, Moussa Kamal Eddine, Giannis Nikolentzos, Stamatis Outsios, Guokan Shang, Christos Xypolopoulos, Michalis Vazirgiannis
2021 A conf
Unsupervised Word Polysemy Quantification with Multiresolution Grids of Contextual Embeddings.
EACL
Christos Xypolopoulos, Antoine J.-P. Tixier, Michalis Vazirgiannis
2020 — conf
Performance in the Courtroom: Automated Processing and Visualization of Appeal Court Decisions in France.
NLLP@KDD
Paul Boniol, George Panagopoulos, Christos Xypolopoulos, Rajaa El Hamdani, David Restrepo Amariles, Michalis Vazirgiannis
2020 J jnl
Performance in the Courtroom: Automated Processing and Visualization of Appeal Court Decisions in France.
CoRR
Paul Boniol, George Panagopoulos, Christos Xypolopoulos, Rajaa El Hamdani, David Restrepo Amariles, Michalis Vazirgiannis
2020 J jnl
Unsupervised Word Polysemy Quantification with Multiresolution Grids of Contextual Embeddings.
CoRR
Christos Xypolopoulos, Antoine J.-P. Tixier, Michalis Vazirgiannis
2019 — conf
Scientometrics for Success and Influence in the Microsoft Academic Graph.
COMPLEX NETWORKS (2)
George Panagopoulos, Christos Xypolopoulos, Konstantinos Skianis, Christos Giatsidis, Jie Tang, Michalis Vazirgiannis
2018 A conf
An Optimization Approach for Sub-event Detection and Summarization in Twitter.
ECIR
Polykarpos Meladianos, Christos Xypolopoulos, Giannis Nikolentzos, Michalis Vazirgiannis
2018 J jnl
Word Embeddings from Large-Scale Greek Web Content.
CoRR
Stamatis Outsios, Konstantinos Skianis, Polykarpos Meladianos, Christos Xypolopoulos, Michalis Vazirgiannis