Publications

Publications

Our publications in DBLP.

Categories:
Conference and workshop papers
Journal articles
Books/edited volumes

All publications in date descending order

2024

Prot2Text: Multimodal Protein's Function Generation with GNNs and Transformers.
Hadi Abdine, Michail Chatzianastasis, Costas Bouyioukos, Michalis Vazirgiannis
AAAI 2024
A Simple and Yet Fairly Effective Defense for Graph Neural Networks.
Sofiane Ennadir, Yassine Abbahaddou, Johannes F. Lutzeyer, Michalis Vazirgiannis, Henrik Boström
AAAI 2024
Graph Neural Machine: A New Model for Learning with Tabular Data.
Giannis Nikolentzos, Siyun Wang, Johannes F. Lutzeyer, Michalis Vazirgiannis
CoRR 2024
A Simple and Yet Fairly Effective Defense for Graph Neural Networks.
Sofiane Ennadir, Yassine Abbahaddou, Johannes F. Lutzeyer, Michalis Vazirgiannis, Henrik Boström
CoRR 2024
Assessing the Efficacy of Heuristic-Based Address Clustering for Bitcoin.
Hugo Schnoering, Pierre Porthaux, Michalis Vazirgiannis
CoRR 2024
Neural Graph Generator: Feature-Conditioned Graph Generation using Latent Diffusion Models.
Iakovos Evdaimon, Giannis Nikolentzos, Michail Chatzianastasis, Hadi Abdine, Michalis Vazirgiannis
CoRR 2024

2023

Word sense induction with agglomerative clustering and mutual information maximization.
Hadi Abdine, Moussa Kamal Eddine, Davide Buscaldi, Michalis Vazirgiannis
AI Open 2023
Explainable Multilayer Graph Neural Network for cancer gene prediction.
Michail Chatzianastasis, Michalis Vazirgiannis, Zijun Zhang
Bioinform. 2023
Synthetic electronic health records generated with variational graph autoencoders.
Giannis Nikolentzos, Michalis Vazirgiannis, Christos Xypolopoulos, Markus Lingman, Erik G. Brandt
npj Digit. Medicine 2023
Permute Me Softly: Learning Soft Permutations for Graph Representations.
Giannis Nikolentzos, George Dasoulas, Michalis Vazirgiannis
IEEE Trans. Pattern Anal. Mach. Intell. 2023
Graph Ordering Attention Networks.
Michail Chatzianastasis, Johannes F. Lutzeyer, George Dasoulas, Michalis Vazirgiannis
AAAI 2023
Weisfeiler and Leman go Hyperbolic: Learning Distance Preserving Node Representations.
Giannis Nikolentzos, Michail Chatzianastasis, Michalis Vazirgiannis
AISTATS 2023
Graph Alignment Kernels using Weisfeiler and Leman Hierarchies.
Giannis Nikolentzos, Michalis Vazirgiannis
AISTATS 2023
Geometric Random Walk Graph Neural Networks via Implicit Layers.
Giannis Nikolentzos, Michalis Vazirgiannis
AISTATS 2023
Maximizing Influence with Graph Neural Networks.
George Panagopoulos, Nikolaos Tziortziotis, Michalis Vazirgiannis, Fragkiskos D. Malliaros
ASONAM 2023
TimeGNN: Temporal Dynamic Graph Learning for Time Series Forecasting.
Nancy Xu, Chrysoula Kosma, Michalis Vazirgiannis
COMPLEX NETWORKS (1) 2023
UnboundAttack: Generating Unbounded Adversarial Attacks to Graph Neural Networks.
Sofiane Ennadir, Amr Alkhatib, Giannis Nikolentzos, Michalis Vazirgiannis, Henrik Boström
COMPLEX NETWORKS (1) 2023
Conformalized Adversarial Attack Detection for Graph Neural Networks.
Sofiane Ennadir, Amr Alkhatib, Henrik Boström, Michalis Vazirgiannis
COPA 2023
DATScore: Evaluating Translation with Data Augmented Translations.
Moussa Kamal Eddine, Guokan Shang, Michalis Vazirgiannis
EACL (Findings) 2023
FREDSum: A Dialogue Summarization Corpus for French Political Debates.
Virgile Rennard, Guokan Shang, Damien Grari, Julie Hunter, Michalis Vazirgiannis
EMNLP (Findings) 2023
Automatic Analysis of Substantiation in Scientific Peer Reviews.
Yanzhu Guo, Guokan Shang, Virgile Rennard, Michalis Vazirgiannis, Chloé Clavel
EMNLP (Findings) 2023
Neural Architecture Search with Multimodal Fusion Methods for Diagnosing Dementia.
Michail Chatzianastasis, Loukas Ilias, Dimitris Askounis, Michalis Vazirgiannis
ICASSP 2023
Path Neural Networks: Expressive and Accurate Graph Neural Networks.
Gaspard Michel, Giannis Nikolentzos, Johannes F. Lutzeyer, Michalis Vazirgiannis
ICML 2023
Adaptive Collaborative Filtering with Personalized Time Decay Functions for Financial Product Recommendation.
Ashraf Ghiye, Baptiste Barreau, Laurent Carlier, Michalis Vazirgiannis
RecSys 2023
GNNs and Graph Generative models for biomedical applications.
Michalis Vazirgiannis
WWW 2023
Explainable Multilayer Graph Neural Network for Cancer Gene Prediction.
Michail Chatzianastasis, Michalis Vazirgiannis, Zijun Zhang
CoRR 2023
Neural Architecture Search with Multimodal Fusion Methods for Diagnosing Dementia.
Michail Chatzianastasis, Loukas Ilias, Dimitris Askounis, Michalis Vazirgiannis
CoRR 2023
GreekBART: The First Pretrained Greek Sequence-to-Sequence Model.
Iakovos Evdaimon, Hadi Abdine, Christos Xypolopoulos, Stamatis Outsios, Michalis Vazirgiannis, Giorgos Stamou
CoRR 2023
What Do GNNs Actually Learn? Towards Understanding their Representations.
Giannis Nikolentzos, Michail Chatzianastasis, Michalis Vazirgiannis
CoRR 2023
Path Neural Networks: Expressive and Accurate Graph Neural Networks.
Gaspard Michel, Giannis Nikolentzos, Johannes F. Lutzeyer, Michalis Vazirgiannis
CoRR 2023
Supervised Attention Using Homophily in Graph Neural Networks.
Michail Chatzianastasis, Giannis Nikolentzos, Michalis Vazirgiannis
CoRR 2023
Prot2Text: Multimodal Protein's Function Generation with GNNs and Transformers.
Hadi Abdine, Michail Chatzianastasis, Costas Bouyioukos, Michalis Vazirgiannis
CoRR 2023
TimeGNN: Temporal Dynamic Graph Learning for Time Series Forecasting.
Nancy Xu, Chrysoula Kosma, Michalis Vazirgiannis
CoRR 2023
Adaptive Collaborative Filtering with Personalized Time Decay Functions for Financial Product Recommendation.
Ashraf Ghiye, Baptiste Barreau, Laurent Carlier, Michalis Vazirgiannis
CoRR 2023
Time-Parameterized Convolutional Neural Networks for Irregularly Sampled Time Series.
Chrysoula Kosma, Giannis Nikolentzos, Michalis Vazirgiannis
CoRR 2023
Interpretable Graph Neural Networks for Tabular Data.
Amr Alkhatib, Sofiane Ennadir, Henrik Boström, Michalis Vazirgiannis
CoRR 2023
The Curious Decline of Linguistic Diversity: Training Language Models on Synthetic Text.
Yanzhu Guo, Guokan Shang, Michalis Vazirgiannis, Chloé Clavel
CoRR 2023
Automatic Analysis of Substantiation in Scientific Peer Reviews.
Yanzhu Guo, Guokan Shang, Virgile Rennard, Michalis Vazirgiannis, Chloé Clavel
CoRR 2023
Heuristics for Detecting CoinJoin Transactions on the Bitcoin Blockchain.
Hugo Schnoering, Michalis Vazirgiannis
CoRR 2023
FREDSum: A Dialogue Summarization Corpus for French Political Debates.
Virgile Rennard, Guokan Shang, Damien Grari, Julie Hunter, Michalis Vazirgiannis
CoRR 2023

2022

Modularity-aware graph autoencoders for joint community detection and link prediction.
Guillaume Salha-Galvan, Johannes F. Lutzeyer, George Dasoulas, Romain Hennequin, Michalis Vazirgiannis
Neural Networks 2022
Multi-Task Learning for Influence Estimation and Maximization.
George Panagopoulos, Fragkiskos D. Malliaros, Michalis Vazirgiannis
IEEE Trans. Knowl. Data Eng. 2022
FrugalScore: Learning Cheaper, Lighter and Faster Evaluation Metrics for Automatic Text Generation.
Moussa Kamal Eddine, Guokan Shang, Antoine J.-P. Tixier, Michalis Vazirgiannis
ACL (1) 2022
Node Feature Kernels Increase Graph Convolutional Network Robustness.
Mohamed El Amine Seddik, Changmin Wu, Johannes F. Lutzeyer, Michalis Vazirgiannis
AISTATS 2022
Questioning the Validity of Summarization Datasets and Improving Their Factual Consistency.
Yanzhu Guo, Chloé Clavel, Moussa Kamal Eddine, Michalis Vazirgiannis
EMNLP 2022
Time Series Forecasting Models Copy the Past: How to Mitigate.
Chrysoula Kosma, Giannis Nikolentzos, Nancy Xu, Michalis Vazirgiannis
ICANN (1) 2022
Political Communities on Twitter: Case Study of the 2022 French Presidential Election.
Hadi Abdine, Yanzhu Guo, Virgile Rennard, Michalis Vazirgiannis
PoliticalNLP@LREC 2022
DGraph: A Large-Scale Financial Dataset for Graph Anomaly Detection.
Xuanwen Huang, Yang Yang 0009, Yang Wang, Chunping Wang 0001, Zhisheng Zhang, Jiarong Xu, Lei Chen, Michalis Vazirgiannis
NeurIPS 2022
Explaining Predictions by Characteristic Rules.
Amr Alkhatib, Henrik Boström, Michalis Vazirgiannis
ECML/PKDD (1) 2022
Mass Enhanced Node Embeddings for Drug Repurposing.
Michail Chatzianastasis, Giannis Nikolentzos, Michalis Vazirgiannis
SETN 2022
Sparsifying the Update Step in Graph Neural Networks.
Johannes F. Lutzeyer, Changmin Wu, Michalis Vazirgiannis
TAG-ML 2022
AraBART: a Pretrained Arabic Sequence-to-Sequence Model for Abstractive Summarization.
Moussa Kamal Eddine, Nadi Tomeh, Nizar Habash, Joseph Le Roux, Michalis Vazirgiannis
WANLP@EMNLP 2022
Exploratory Analysis of Academic Collaborations between French and US.
George Panagopoulos, Michalis Vazirgiannis
CoRR 2022
Modularity-Aware Graph Autoencoders for Joint Community Detection and Link Prediction.
Guillaume Salha-Galvan, Johannes F. Lutzeyer, George Dasoulas, Romain Hennequin, Michalis Vazirgiannis
CoRR 2022
AraBART: a Pretrained Arabic Sequence-to-Sequence Model for Abstractive Summarization.
Moussa Kamal Eddine, Nadi Tomeh, Nizar Habash, Joseph Le Roux, Michalis Vazirgiannis
CoRR 2022
Graph Ordering Attention Networks.
Michail Chatzianastasis, Johannes F. Lutzeyer, George Dasoulas, Michalis Vazirgiannis
CoRR 2022
Political Communities on Twitter: Case Study of the 2022 French Presidential Election.
Hadi Abdine, Yanzhu Guo, Virgile Rennard, Michalis Vazirgiannis
CoRR 2022
Image Keypoint Matching using Graph Neural Networks.
Nancy Xu, Giannis Nikolentzos, Michalis Vazirgiannis, Henrik Boström
CoRR 2022
Time Series Forecasting Models Copy the Past: How to Mitigate.
Chrysoula Kosma, Giannis Nikolentzos, Nancy Xu, Michalis Vazirgiannis
CoRR 2022
Abstractive Meeting Summarization: A Survey.
Virgile Rennard, Guokan Shang, Julie Hunter, Michalis Vazirgiannis
CoRR 2022
Word Sense Induction with Hierarchical Clustering and Mutual Information Maximization.
Hadi Abdine, Moussa Kamal Eddine, Michalis Vazirgiannis, Davide Buscaldi
CoRR 2022
DATScore: Evaluating Translation with Data Augmented Translations.
Moussa Kamal Eddine, Guokan Shang, Michalis Vazirgiannis
CoRR 2022
Questioning the Validity of Summarization Datasets and Improving Their Factual Consistency.
Yanzhu Guo, Chloé Clavel, Moussa Kamal Eddine, Michalis Vazirgiannis
CoRR 2022
Weisfeiler and Leman go Hyperbolic: Learning Distance Preserving Node Representations.
Giannis Nikolentzos, Michail Chatzianastasis, Michalis Vazirgiannis
CoRR 2022
Improving Graph Neural Networks at Scale: Combining Approximate PageRank and CoreRank.
Ariel R. Ramos Vela, Johannes F. Lutzeyer, Anastasios Giovanidis, Michalis Vazirgiannis
CoRR 2022
New Frontiers in Graph Autoencoders: Joint Community Detection and Link Prediction.
Guillaume Salha-Galvan, Johannes F. Lutzeyer, George Dasoulas, Romain Hennequin, Michalis Vazirgiannis
CoRR 2022

2021

Structure and influence in a global capital-ownership network.
Sammy Khalife, Jesse Read, Michalis Vazirgiannis
Appl. Netw. Sci. 2021
Graph Kernels: A Survey.
Giannis Nikolentzos, Giannis Siglidis, Michalis Vazirgiannis
J. Artif. Intell. Res. 2021
FastGAE: Scalable graph autoencoders with stochastic subgraph decoding.
Guillaume Salha, Romain Hennequin, Jean-Baptiste Remy, Manuel Moussallam, Michalis Vazirgiannis
Neural Networks 2021
Learning Structural Node Representations Using Graph Kernels.
Giannis Nikolentzos, Michalis Vazirgiannis
IEEE Trans. Knowl. Data Eng. 2021
Transfer Graph Neural Networks for Pandemic Forecasting.
George Panagopoulos, Giannis Nikolentzos, Michalis Vazirgiannis
AAAI 2021
JuriBERT: A Masked-Language Model Adaptation for French Legal Text.
Stella Douka, Hadi Abdine, Michalis Vazirgiannis, Rajaa El Hamdani, David Restrepo Amariles
NLLP@EMNLP 2021
BERTweetFR : Domain Adaptation of Pre-Trained Language Models for French Tweets.
Yanzhu Guo, Virgile Rennard, Christos Xypolopoulos, Michalis Vazirgiannis
W-NUT 2021
Image Keypoint Matching Using Graph Neural Networks.
Nancy Xu, Giannis Nikolentzos, Michalis Vazirgiannis, Henrik Boström
COMPLEX NETWORKS 2021
Unsupervised Word Polysemy Quantification with Multiresolution Grids of Contextual Embeddings.
Christos Xypolopoulos, Antoine J.-P. Tixier, Michalis Vazirgiannis
EACL 2021
BARThez: a Skilled Pretrained French Sequence-to-Sequence Model.
Moussa Kamal Eddine, Antoine J.-P. Tixier, Michalis Vazirgiannis
EMNLP (1) 2021
An Empirical Study of the Expressiveness of Graph Kernels and Graph Neural Networks.
Giannis Nikolentzos, George Panagopoulos, Michalis Vazirgiannis
ICANN (3) 2021
Ego-Based Entropy Measures for Structural Representations on Graphs.
George Dasoulas, Giannis Nikolentzos, Kevin Scaman, Aladin Virmaux, Michalis Vazirgiannis
ICASSP 2021
Graph-based Neural Architecture Search with Operation Embeddings.
Michail Chatzianastasis, George Dasoulas, Georgios Siolas, Michalis Vazirgiannis
ICCVW 2021
Learning Parametrised Graph Shift Operators.
George Dasoulas, Johannes F. Lutzeyer, Michalis Vazirgiannis
ICLR 2021
Audience expansion based on user browsing history.
Nikolaos Tziortziotis, Yang Qiu 0001, Martial Hue, Michalis Vazirgiannis
IJCNN 2021
Cold Start Similar Artists Ranking with Gravity-Inspired Graph Autoencoders.
Guillaume Salha-Galvan, Romain Hennequin, Benjamin Chapus, Viet-Anh Tran, Michalis Vazirgiannis
RecSys 2021
Can Author Collaboration Reveal Impact? The Case of h-index.
Giannis Nikolentzos, George Panagopoulos, Iakovos Evdaimon, Michalis Vazirgiannis
Predicting the Dynamics of Research Impact 2021
Learning Parametrised Graph Shift Operators.
George Dasoulas, Johannes F. Lutzeyer, Michalis Vazirgiannis
CoRR 2021
How COVID-19 Is Changing Our Language : Detecting Semantic Shift in Twitter Word Embeddings.
Yanzhu Guo, Christos Xypolopoulos, Michalis Vazirgiannis
CoRR 2021
Ego-based Entropy Measures for Structural Representations on Graphs.
George Dasoulas, Giannis Nikolentzos, Kevin Scaman, Aladin Virmaux, Michalis Vazirgiannis
CoRR 2021
Can Author Collaboration Reveal Impact? The Case of h-index.
Giannis Nikolentzos, George Panagopoulos, Iakovos Evdaimon, 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
Operation Embeddings for Neural Architecture Search.
Michail Chatzianastasis, George Dasoulas, Georgios Siolas, Michalis Vazirgiannis
CoRR 2021
Cold Start Similar Artists Ranking with Gravity-Inspired Graph Autoencoders.
Guillaume Salha-Galvan, Romain Hennequin, Benjamin Chapus, Viet-Anh Tran, Michalis Vazirgiannis
CoRR 2021
Learning to Maximize Influence.
George Panagopoulos, Nikolaos Tziortziotis, Fragkiskos D. Malliaros, Michalis Vazirgiannis
CoRR 2021
Sparsifying the Update Step in Graph Neural Networks.
Johannes F. Lutzeyer, Changmin Wu, Michalis Vazirgiannis
CoRR 2021
Node Feature Kernels Increase Graph Convolutional Network Robustness.
Mohamed El Amine Seddik, Changmin Wu, Johannes F. Lutzeyer, Michalis Vazirgiannis
CoRR 2021
BERTweetFR : Domain Adaptation of Pre-Trained Language Models for French Tweets.
Yanzhu Guo, Virgile Rennard, Christos Xypolopoulos, Michalis Vazirgiannis
CoRR 2021
JuriBERT: A Masked-Language Model Adaptation for French Legal Text.
Stella Douka, Hadi Abdine, Michalis Vazirgiannis, Rajaa El Hamdani, David Restrepo Amariles
CoRR 2021
Permute Me Softly: Learning Soft Permutations for Graph Representations.
Giannis Nikolentzos, George Dasoulas, Michalis Vazirgiannis
CoRR 2021
FrugalScore: Learning Cheaper, Lighter and Faster Evaluation Metricsfor Automatic Text Generation.
Moussa Kamal Eddine, Guokan Shang, Antoine J.-P. Tixier, 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

2020

GraKeL: A Graph Kernel Library in Python.
Giannis Siglidis, Giannis Nikolentzos, Stratis Limnios, Christos Giatsidis, Konstantinos Skianis, Michalis Vazirgiannis
J. Mach. Learn. Res. 2020
k-hop graph neural networks.
Giannis Nikolentzos, George Dasoulas, Michalis Vazirgiannis
Neural Networks 2020
The core decomposition of networks: theory, algorithms and applications.
Fragkiskos D. Malliaros, Christos Giatsidis, Apostolos N. Papadopoulos, Michalis Vazirgiannis
VLDB J. 2020
Message Passing Attention Networks for Document Understanding.
Giannis Nikolentzos, Antoine J.-P. Tixier, Michalis Vazirgiannis
AAAI 2020
Rep the Set: Neural Networks for Learning Set Representations.
Konstantinos Skianis, Giannis Nikolentzos, Stratis Limnios, Michalis Vazirgiannis
AISTATS 2020
Speaker-change Aware CRF for Dialogue Act Classification.
Guokan Shang, Antoine J.-P. Tixier, Michalis Vazirgiannis, Jean-Pierre Lorré
COLING 2020
Enriching Graph Representations of Text: Application to Medical Text Classification.
Alexios Mandalios, Alexandros Chortaras, Giorgos Stamou, Michalis Vazirgiannis
COMPLEX NETWORKS (2) 2020
Graph Auto-Encoders for Learning Edge Representations.
Virgile Rennard, Giannis Nikolentzos, Michalis Vazirgiannis
COMPLEX NETWORKS (2) 2020
Image Classification Using Graph-Based Representations and Graph Neural Networks.
Giannis Nikolentzos, Michalis Thomas, Adín Ramírez Rivera, Michalis Vazirgiannis
COMPLEX NETWORKS (2) 2020
EvoNet: A Neural Network for Predicting the Evolution of Dynamic Graphs.
Changmin Wu, Giannis Nikolentzos, Michalis Vazirgiannis
ICANN (1) 2020
Boosting Tricks for Word Mover's Distance.
Konstantinos Skianis, Fragkiskos D. Malliaros, Nikolaos Tziortziotis, Michalis Vazirgiannis
ICANN (2) 2020
Hcore-Init: Neural Network Initialization based on Graph Degeneracy.
Stratis Limnios, George Dasoulas, Dimitrios M. Thilikos, Michalis Vazirgiannis
ICPR 2020
Influence Maximization Using Influence and Susceptibility Embeddings.
George Panagopoulos, Fragkiskos D. Malliaros, Michalis Vazirgiannis
ICWSM 2020
Energy-based Self-attentive Learning of Abstractive Communities for Spoken Language Understanding.
Guokan Shang, Antoine J.-P. Tixier, Michalis Vazirgiannis, Jean-Pierre Lorré
AACL/IJCNLP 2020
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
Evaluation of Greek Word Embeddings.
Stamatis Outsios, Christos Karatsalos, Konstantinos Skianis, Michalis Vazirgiannis
LREC 2020
Random Walk Graph Neural Networks.
Giannis Nikolentzos, Michalis Vazirgiannis
NeurIPS 2020
Simple and Effective Graph Autoencoders with One-Hop Linear Models.
Guillaume Salha, Romain Hennequin, Michalis Vazirgiannis
ECML/PKDD (1) 2020
Simple and Effective Graph Autoencoders with One-Hop Linear Models.
Guillaume Salha, Romain Hennequin, Michalis Vazirgiannis
CoRR 2020
FastGAE: Fast, Scalable and Effective Graph Autoencoders with Stochastic Subgraph Decoding.
Guillaume Salha, Romain Hennequin, Jean-Baptiste Remy, Manuel Moussallam, Michalis Vazirgiannis
CoRR 2020
Ego-based Entropy Measures for Structural Representations.
George Dasoulas, Giannis Nikolentzos, Kevin Scaman, Aladin Virmaux, Michalis Vazirgiannis
CoRR 2020
EvoNet: A Neural Network for Predicting the Evolution of Dynamic Graphs.
Changmin Wu, Giannis Nikolentzos, Michalis Vazirgiannis
CoRR 2020
Unsupervised Word Polysemy Quantification with Multiresolution Grids of Contextual Embeddings.
Christos Xypolopoulos, Antoine J.-P. Tixier, Michalis Vazirgiannis
CoRR 2020
Speaker-change Aware CRF for Dialogue Act Classification.
Guokan Shang, Antoine Jean-Pierre Tixier, Michalis Vazirgiannis, Jean-Pierre Lorré
CoRR 2020
Hcore-Init: Neural Network Initialization based on Graph Degeneracy.
Stratis Limnios, George Dasoulas, Dimitrios M. Thilikos, Michalis Vazirgiannis
CoRR 2020
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
CoRR 2020
Predicting conversions in display advertising based on URL embeddings.
Yang Qiu 0001, Nikolaos Tziortziotis, Martial Hue, Michalis Vazirgiannis
CoRR 2020
United We Stand: Transfer Graph Neural Networks for Pandemic Forecasting.
George Panagopoulos, Giannis Nikolentzos, Michalis Vazirgiannis
CoRR 2020
BARThez: a Skilled Pretrained French Sequence-to-Sequence Model.
Moussa Kamal Eddine, Antoine J.-P. Tixier, Michalis Vazirgiannis
CoRR 2020

2019

Rooted citation graphs density metrics for research papers influence evaluation.
Christos Giatsidis, Giannis Nikolentzos, Chenhui Zhang, Jie Tang 0001, Michalis Vazirgiannis
J. Informetrics 2019
k-Degree anonymity on directed networks.
Jordi Casas-Roma, Julián Salas, Fragkiskos D. Malliaros, Michalis Vazirgiannis
Knowl. Inf. Syst. 2019
Error-space representations for multi-dimensional data streams with temporal dependence.
Jesse Read, Nikolaos Tziortziotis, Michalis Vazirgiannis
Pattern Anal. Appl. 2019
Perturb and combine to identify influential spreaders in real-world networks.
Antoine J.-P. Tixier, Maria-Evgenia G. Rossi, Fragkiskos D. Malliaros, Jesse Read, Michalis Vazirgiannis
ASONAM 2019
Gravity-Inspired Graph Autoencoders for Directed Link Prediction.
Guillaume Salha, Stratis Limnios, Romain Hennequin, Viet-Anh Tran, Michalis Vazirgiannis
CIKM 2019
Machine Learning on Graphs with Kernels.
Michalis Vazirgiannis, Giannis Nikolentzos, Giannis Siglidis
CIKM 2019
Empirical Analysis of a Global Capital-Ownership Network.
Sammy Khalife, Jesse Read, Michalis Vazirgiannis
COMPLEX NETWORKS (2) 2019
Matching Node Embeddings Using Valid Assignment Kernels.
Changmin Wu, Giannis Nikolentzos, Michalis Vazirgiannis
COMPLEX NETWORKS (1) 2019
Scientometrics for Success and Influence in the Microsoft Academic Graph.
George Panagopoulos, Christos Xypolopoulos, Konstantinos Skianis, Christos Giatsidis, Jie Tang 0001, Michalis Vazirgiannis
COMPLEX NETWORKS (2) 2019
Graph Classification with 2D Convolutional Neural Networks.
Antoine J.-P. Tixier, Giannis Nikolentzos, Polykarpos Meladianos, Michalis Vazirgiannis
ICANN (Workshop) 2019
A Degeneracy Framework for Scalable Graph Autoencoders.
Guillaume Salha, Romain Hennequin, Viet-Anh Tran, Michalis Vazirgiannis
IJCAI 2019
Geometry and Analogies: A Study and Propagation Method for Word Representations.
Sammy Khalife, Leo Liberti, Michalis Vazirgiannis
SLSP 2019
Scalable graph-based method for individual named entity identification.
Sammy Khalife, Michalis Vazirgiannis
TextGraphs@EMNLP 2019
A Degeneracy Framework for Scalable Graph Autoencoders.
Guillaume Salha, Romain Hennequin, Viet-Anh Tran, Michalis Vazirgiannis
CoRR 2019
Rep the Set: Neural Networks for Learning Set Representations.
Konstantinos Skianis, Giannis Nikolentzos, Stratis Limnios, Michalis Vazirgiannis
CoRR 2019
Randomised Bayesian Least-Squares Policy Iteration.
Nikolaos Tziortziotis, Christos Dimitrakakis, Michalis Vazirgiannis
CoRR 2019
Evaluation of Greek Word Embeddings.
Stamatis Outsios, Christos Karatsalos, Konstantinos Skianis, Michalis Vazirgiannis
CoRR 2019
Influence Maximization via Representation Learning.
George Panagopoulos, Michalis Vazirgiannis, Fragkiskos D. Malliaros
CoRR 2019
Energy-based Self-attentive Learning of Abstractive Communities for Spoken Language Understanding.
Guokan Shang, Antoine Jean-Pierre Tixier, Michalis Vazirgiannis, Jean-Pierre Lorré
CoRR 2019
Graph Kernels: A Survey.
Giannis Nikolentzos, Giannis Siglidis, Michalis Vazirgiannis
CoRR 2019
Gravity-Inspired Graph Autoencoders for Directed Link Prediction.
Guillaume Salha, Stratis Limnios, Romain Hennequin, Viet-Anh Tran, Michalis Vazirgiannis
CoRR 2019
k-hop Graph Neural Networks.
Giannis Nikolentzos, George Dasoulas, Michalis Vazirgiannis
CoRR 2019
LinTO : Assistant vocal open-source respectueux des données personnelles pour les réunions d'entreprise.
Jean-Pierre Lorré, Isabelle Ferrané, Francisco Madrigal, Michalis Vazirgiannis, Christophe Bourguignat
CoRR 2019
Bidirectional Context-Aware Hierarchical Attention Network for Document Understanding.
Jean-Baptiste Remy, Antoine Jean-Pierre Tixier, Michalis Vazirgiannis
CoRR 2019
Message Passing Attention Networks for Document Understanding.
Giannis Nikolentzos, Antoine J.-P. Tixier, Michalis Vazirgiannis
CoRR 2019
Revisiting the Graph Isomorphism Problem with Semidefinite Programming.
Giannis Nikolentzos, Michalis Vazirgiannis
CoRR 2019
Keep It Simple: Graph Autoencoders Without Graph Convolutional Networks.
Guillaume Salha, Romain Hennequin, Michalis Vazirgiannis
CoRR 2019
An Ensemble Method for Producing Word Representations for the Greek Language.
Michalis Lioudakis, Stamatis Outsios, Michalis Vazirgiannis
CoRR 2019

2018

Community-preserving anonymization of graphs.
François Rousseau 0001, Jordi Casas-Roma, Michalis Vazirgiannis
Knowl. Inf. Syst. 2018
Unsupervised Abstractive Meeting Summarization with Multi-Sentence Compression and Budgeted Submodular Maximization.
Guokan Shang, Wensi Ding, Zekun Zhang, Antoine J.-P. Tixier, Polykarpos Meladianos, Michalis Vazirgiannis, Jean-Pierre Lorré
ACL (1) 2018
Orthogonal Matching Pursuit for Text Classification.
Konstantinos Skianis, Nikolaos Tziortziotis, Michalis Vazirgiannis
NUT@EMNLP 2018
Adaptive Submodular Influence Maximization with Myopic Feedback.
Guillaume Salha, Nikolaos Tziortziotis, Michalis Vazirgiannis
ASONAM 2018
Enhancing Graph Kernels via Successive Embeddings.
Giannis Nikolentzos, Michalis Vazirgiannis
CIKM 2018
GraphRep: Boosting Text Mining, NLP and Information Retrieval with Graphs.
Michalis Vazirgiannis, Fragkiskos D. Malliaros, Giannis Nikolentzos
CIKM 2018
Learning Structural Node Representations on Directed Graphs.
Niklas Steenfatt, Giannis Nikolentzos, Michalis Vazirgiannis, Qiang Zhao
COMPLEX NETWORKS (2) 2018
DiffuGreedy: An Influence Maximization Algorithm Based on Diffusion Cascades.
George Panagopoulos, Fragkiskos D. Malliaros, Michalis Vazirgiannis
COMPLEX NETWORKS (1) 2018
An Optimization Approach for Sub-event Detection and Summarization in Twitter.
Polykarpos Meladianos, Christos Xypolopoulos, Giannis Nikolentzos, Michalis Vazirgiannis
ECIR 2018
Kernel Graph Convolutional Neural Networks.
Giannis Nikolentzos, Polykarpos Meladianos, Antoine Jean-Pierre Tixier, Konstantinos Skianis, Michalis Vazirgiannis
ICANN (1) 2018
Predictive Maintenance in Aviation: Failure Prediction from Post-Flight Reports.
Panagiotis Korvesis, Stephane Besseau, Michalis Vazirgiannis
ICDE 2018
A Degeneracy Framework for Graph Similarity.
Giannis Nikolentzos, Polykarpos Meladianos, Stratis Limnios, Michalis Vazirgiannis
IJCAI 2018
Fusing Document, Collection and Label Graph-based Representations with Word Embeddings for Text Classification.
Konstantinos Skianis, Fragkiskos D. Malliaros, Michalis Vazirgiannis
TextGraphs@NAACL-HLT 2018
BigNet 2018 Chairs' Welcome & Organization.
Jie Tang 0001, Michalis Vazirgiannis, Yuxiao Dong, Fragkiskos D. Malliaros, Michael Cochez, Mayank Kejriwal, Achim Rettinger
WWW (Companion Volume) 2018
Clustering Validity.
Michalis Vazirgiannis
Encyclopedia of Database Systems (2nd ed.) 2018
Unsupervised Abstractive Meeting Summarization with Multi-Sentence Compression and Budgeted Submodular Maximization.
Guokan Shang, Wensi Ding, Zekun Zhang, Antoine Jean-Pierre Tixier, Polykarpos Meladianos, Michalis Vazirgiannis, Jean-Pierre Lorré
CoRR 2018
GraKeL: A Graph Kernel Library in Python.
Giannis Siglidis, Giannis Nikolentzos, Stratis Limnios, Christos Giatsidis, Konstantinos Skianis, Michalis Vazirgiannis
CoRR 2018
Orthogonal Matching Pursuit for Text Classification.
Konstantinos Skianis, Nikolaos Tziortziotis, Michalis Vazirgiannis
CoRR 2018
Perturb and Combine to Identify Influential Spreaders in Real-World Networks.
Antoine J.-P. Tixier, Maria-Evgenia G. Rossi, Fragkiskos D. Malliaros, Jesse Read, Michalis Vazirgiannis
CoRR 2018
Message Passing Graph Kernels.
Giannis Nikolentzos, Michalis Vazirgiannis
CoRR 2018
Word Embeddings from Large-Scale Greek Web Content.
Stamatis Outsios, Konstantinos Skianis, Polykarpos Meladianos, Christos Xypolopoulos, Michalis Vazirgiannis
CoRR 2018
Scalable graph-based individual named entity identification.
Sammy Khalife, Michalis Vazirgiannis
CoRR 2018

2017

Special focus on natural language processing and social computing.
Jie Tang 0001, Hanghang Tong, Michalis Vazirgiannis
Sci. China Inf. Sci. 2017
Introduction to Special Issue on (-).
Ronald Burt, Jie Tang 0001, Michalis Vazirgiannis, Shuang Yang
ACM Trans. Intell. Syst. Technol. 2017
Matching Node Embeddings for Graph Similarity.
Giannis Nikolentzos, Polykarpos Meladianos, Michalis Vazirgiannis
AAAI 2017
Multivariate Gaussian Document Representation from Word Embeddings for Text Categorization.
Giannis Nikolentzos, Polykarpos Meladianos, François Rousseau 0001, Yannis Stavrakas, Michalis Vazirgiannis
EACL (2) 2017
Real-Time Keyword Extraction from Conversations.
Polykarpos Meladianos, Antoine J.-P. Tixier, Giannis Nikolentzos, Michalis Vazirgiannis
EACL (2) 2017
Combining Graph Degeneracy and Submodularity for Unsupervised Extractive Summarization.
Antoine J.-P. Tixier, Polykarpos Meladianos, Michalis Vazirgiannis
NFiS@EMNLP 2017
Shortest-Path Graph Kernels for Document Similarity.
Giannis Nikolentzos, Polykarpos Meladianos, François Rousseau 0001, Yannis Stavrakas, Michalis Vazirgiannis
EMNLP 2017
K-Clique-Graphs for Dense Subgraph Discovery.
Giannis Nikolentzos, Polykarpos Meladianos, Yannis Stavrakas, Michalis Vazirgiannis
ECML/PKDD (1) 2017
Sensitivity of Community Structure to Network Uncertainty.
Marc Mitri, Fragkiskos D. Malliaros, Michalis Vazirgiannis
SDM 2017
Graph of Words: Boosting Text Mining Tasks with Graphs.
Michalis Vazirgiannis
WWW (Companion Volume) 2017
Adaptive Submodular Influence Maximization with Myopic Feedback.
Guillaume Salha, Nikolaos Tziortziotis, Michalis Vazirgiannis
CoRR 2017
Classifying Graphs as Images with Convolutional Neural Networks.
Antoine Jean-Pierre Tixier, Giannis Nikolentzos, Polykarpos Meladianos, Michalis Vazirgiannis
CoRR 2017
Kernel Graph Convolutional Neural Networks.
Giannis Nikolentzos, Polykarpos Meladianos, Antoine Jean-Pierre Tixier, Konstantinos Skianis, Michalis Vazirgiannis
CoRR 2017

2016

GoWvis: A Web Application for Graph-of-Words-based Text Visualization and Summarization.
Antoine J.-P. Tixier, Konstantinos Skianis, Michalis Vazirgiannis
ACL (System Demonstrations) 2016
BigNet 2016: First Workshop on Big Network Analytics.
Jie Tang 0001, Keke Cai, Zhong Su, Hanghang Tong, Michalis Vazirgiannis, Yang Yang 0009
CIKM 2016
Core Decomposition in Graphs: Concepts, Algorithms and Applications.
Fragkiskos D. Malliaros, Apostolos N. Papadopoulos, Michalis Vazirgiannis
EDBT 2016
Regularizing Text Categorization with Clusters of Words.
Konstantinos Skianis, François Rousseau 0001, Michalis Vazirgiannis
EMNLP 2016
A Graph Degeneracy-based Approach to Keyword Extraction.
Antoine J.-P. Tixier, Fragkiskos D. Malliaros, Michalis Vazirgiannis
EMNLP 2016
SpreadViz: Analytics and Visualization of Spreading Processes in Social Networks.
Konstantinos Skianis, Maria-Evgenia G. Rossi, Fragkiskos D. Malliaros, Michalis Vazirgiannis
ICDM Workshops 2016
A k-core Decomposition Framework for Graph Clustering.
Christos Giatsidis, Fragkiskos D. Malliaros, Nikolaos Tziortziotis, Charanpal Dhanjal, Emmanouil Kiagias, Dimitrios M. Thilikos, Michalis Vazirgiannis
CoRR 2016
K-clique-graphs for Dense Subgraph Discovery.
Giannis Nikolentzos, Polykarpos Meladianos, Yannis Stavrakas, Michalis Vazirgiannis
CoRR 2016
Word Embeddings for the Construction Domain.
Antoine J.-P. Tixier, Michalis Vazirgiannis, Matthew R. Hallowell
CoRR 2016

2015

Limiting Data Exposure in Multi-Label Classification Processes.
Nicolas Anciaux, Danae Boutara, Benjamin Nguyen, Michalis Vazirgiannis
Fundam. Informaticae 2015
Text Categorization as a Graph Classification Problem.
François Rousseau 0001, Emmanouil Kiagias, Michalis Vazirgiannis
ACL (1) 2015
Graph-of-word: boosting text mining with graphs.
Michalis Vazirgiannis
CORIA 2015
Main Core Retention on Graph-of-Words for Single-Document Keyword Extraction.
François Rousseau 0001, Michalis Vazirgiannis
ECIR 2015
Convolutional Sentence Kernel from Word Embeddings for Short Text Categorization.
Jonghoon Kim, François Rousseau 0001, Michalis Vazirgiannis
EMNLP 2015
Degeneracy-Based Real-Time Sub-Event Detection in Twitter Stream.
Polykarpos Meladianos, Giannis Nikolentzos, François Rousseau 0001, Yannis Stavrakas, Michalis Vazirgiannis
ICWSM 2015
AUEB at TREC 2015: Clinical Decision Support Track.
Giannis Nikolentzos, Polykarpos Meladianos, Nektarios Liakis, Michalis Vazirgiannis
TREC 2015
Spread it Good, Spread it Fast: Identification of Influential Nodes in Social Networks.
Maria-Evgenia G. Rossi, Fragkiskos D. Malliaros, Michalis Vazirgiannis
WWW (Companion Volume) 2015

2014

Toward an integrated framework for automated development and optimization of online advertising campaigns.
Stamatina Thomaidou, Kyriakos Liakopoulos, Michalis Vazirgiannis
Intell. Data Anal. 2014
Web and Social Graph Mining.
Paolo Boldi, Stefano Leonardi 0001, Cecilia Mascolo, Michalis Vazirgiannis
IEEE Internet Comput. 2014
CoreCluster: A Degeneracy Based Graph Clustering Framework.
Christos Giatsidis, Fragkiskos D. Malliaros, Dimitrios M. Thilikos, Michalis Vazirgiannis
AAAI 2014
Quantifying trust dynamics in signed graphs, the S-Cores approach.
Christos Giatsidis, Bogdan Cautis, Silviu Maniu, Dimitrios M. Thilikos, Michalis Vazirgiannis
SDM 2014
Using temporal IDF for efficient novelty detection in text streams.
Margarita Karkali, François Rousseau 0001, Alexandros Ntoulas, Michalis Vazirgiannis
CoRR 2014
Text Relatedness Based on a Word Thesaurus.
George Tsatsaronis 0001, Iraklis Varlamis, Michalis Vazirgiannis
CoRR 2014

2013

Exposition minimum de données pour des applications à base de classifieurs.
Nicolas Anciaux, Benjamin Nguyen, Michalis Vazirgiannis
Ingénierie des Systèmes d Inf. 2013
D-cores: measuring collaboration of directed graphs based on degeneracy.
Christos Giatsidis, Dimitrios M. Thilikos, Michalis Vazirgiannis
Knowl. Inf. Syst. 2013
Graph-of-word and TW-IDF: new approach to ad hoc IR.
François Rousseau 0001, Michalis Vazirgiannis
CIKM 2013
To stay or not to stay: modeling engagement dynamics in social graphs.
Fragkiskos D. Malliaros, Michalis Vazirgiannis
CIKM 2013
Automated snippet generation for online advertising.
Stamatina Thomaidou, Ismini Lourentzou, Panagiotis Katsivelis-Perakis, Michalis Vazirgiannis
CIKM 2013
MinExp-card: limiting data collection using a smart card.
Nicolas Anciaux, Walid Bezza, Benjamin Nguyen, Michalis Vazirgiannis
EDBT 2013
Composition of TF normalizations: new insights on scoring functions for ad hoc IR.
François Rousseau 0001, Michalis Vazirgiannis
SIGIR 2013
Match the news: a firefox extension for real-time news recommendation.
Margarita Karkali, Dimitris Pontikis, Michalis Vazirgiannis
SIGIR 2013
Efficient Online Novelty Detection in News Streams.
Margarita Karkali, François Rousseau 0001, Alexandros Ntoulas, Michalis Vazirgiannis
WISE (1) 2013
Advanced graph mining for community evaluation in social networks and the web.
Christos Giatsidis, Fragkiskos D. Malliaros, Michalis Vazirgiannis
WSDM 2013
Clustering and Community Detection in Directed Networks: A Survey.
Fragkiskos D. Malliaros, Michalis Vazirgiannis
CoRR 2013

2012

Guest Editors' Introduction: special issue of selected papers from ECML PKDD 2011.
Dimitrios Gunopulos, Donato Malerba, Michalis Vazirgiannis
Data Min. Knowl. Discov. 2012
Diffusion of information and phase transition in the Fisher market.
Nikos Salamanos, Michalis Vazirgiannis
Int. J. Knowl. Learn. 2012
Guest editors' introduction: special issue of selected papers from ECML PKDD 2011.
Dimitrios Gunopulos, Donato Malerba, Michalis Vazirgiannis
Mach. Learn. 2012
S-Suite: a multipart service oriented architecture for the car rental sector.
Margarita Karkali, Michalis Vazirgiannis
BCI 2012
Discovering Correlation between Communities and Likes in Facebook.
Nikos Salamanos, Elli Voudigari, Theodore Papageorgiou, Michalis Vazirgiannis
GreenCom 2012
AD-MAD: Automated Development and Optimization of Online Advertising Campaigns.
Stamatina Thomaidou, Konstantinos Leymonis, Kyriakos Liakopoulos, Michalis Vazirgiannis
ICDM Workshops 2012
Visual exploration of collaboration networks based on graph degeneracy.
Christos Giatsidis, Klaus Berberich, Dimitrios M. Thilikos, Michalis Vazirgiannis
KDD 2012
Named Entity Recognition and Identification for Finding the Owner of a Home Page.
Vassilis Plachouras, Matthieu Rivière, Michalis Vazirgiannis
PAKDD (1) 2012
Limiting data collection in application forms: A real-case application of a founding privacy principle.
Nicolas Anciaux, Benjamin Nguyen, Michalis Vazirgiannis
PST 2012
Keeping keywords fresh: a BM25 variation for personalized keyword extraction.
Margarita Karkali, Vassilis Plachouras, Constantinos Stefanatos, Michalis Vazirgiannis
TempWeb 2012
Toward an Integrated Framework for Automated Development and Optimization of Online Advertising Campaigns
Stamatina Thomaidou, Michalis Vazirgiannis, Kyriakos Liakopoulos
CoRR 2012
The Minimum Exposure Project: Limiting Data Collection in Online Forms.
Nicolas Anciaux, Benjamin Nguyen, Michalis Vazirgiannis
ERCIM News 2012

2011

Noise reduction in protein-protein interaction graphs by the implementation of a novel weighting scheme.
George D. Kritikos, Charalampos N. Moschopoulos, Michalis Vazirgiannis, Sophia Kossida
BMC Bioinform. 2011
Data mining in software engineering.
Maria Halkidi, Diomidis Spinellis, George Tsatsaronis 0001, Michalis Vazirgiannis
Intell. Data Anal. 2011
Enhancing Clustering Quality through Landmark-Based Dimensionality Reduction.
Panagis Magdalinos, Christos Doulkeridis, Michalis Vazirgiannis
ACM Trans. Knowl. Discov. Data 2011
Evaluating Cooperation in Communities with the k-Core Structure.
Christos Giatsidis, Dimitrios M. Thilikos, Michalis Vazirgiannis
ASONAM 2011
Multiword Keyword Recommendation System for Online Advertising.
Stamatina Thomaidou, Michalis Vazirgiannis
ASONAM 2011
Rank Prediction in Graphs with Locally Weighted Polynomial Regression and EM of Polynomial Mixture Models.
Michalis Rallis, Michalis Vazirgiannis
ASONAM 2011
Predictions in antibiotics resistance and nosocomial infections monitoring.
Mary Gerontini, Michalis Vazirgiannis, Alkiviadis C. Vatopoulos, Michalis Polemis
CBMS 2011
D-cores: Measuring Collaboration of Directed Graphs Based on Degeneracy.
Christos Giatsidis, Dimitrios M. Thilikos, Michalis Vazirgiannis
ICDM 2011
A Framework for Web Page Rank Prediction.
Elli Voudigari, John Pavlopoulos, Michalis Vazirgiannis
EANN/AIAI (2) 2011

2010

Ranking the sky: Discovering the importance of skyline points through subspace dominance relationships.
Akrivi Vlachou, Michalis Vazirgiannis
Data Knowl. Eng. 2010
Text Relatedness Based on a Word Thesaurus.
George Tsatsaronis 0001, Iraklis Varlamis, Michalis Vazirgiannis
J. Artif. Intell. Res. 2010
Efficient search based on content similarity over self-organizing P2P networks.
Christos Doulkeridis, Akrivi Vlachou, Kjetil Nørvåg, Yannis Kotidis, Michalis Vazirgiannis
Peer-to-Peer Netw. Appl. 2010
Efficient Routing of Subspace Skyline Queries over Highly Distributed Data.
Akrivi Vlachou, Christos Doulkeridis, Yannis Kotidis, Michalis Vazirgiannis
IEEE Trans. Knowl. Data Eng. 2010
On the selectivity of multidimensional routing indices.
Christos Doulkeridis, Akrivi Vlachou, Kjetil Nørvåg, Yannis Kotidis, Michalis Vazirgiannis
CIKM 2010
Distributed Knowledge Discovery with Non Linear Dimensionality Reduction.
Panagis Magdalinos, Michalis Vazirgiannis, Dialecti Valsamou
PAKDD (2) 2010
X-SDR: An Extensible Experimentation Suite for Dimensionality Reduction.
Panagis Magdalinos, Anastasios Kapernekas, Alexandros Mpiratsis, Michalis Vazirgiannis
ECML/PKDD (3) 2010
Advertising network formation based on stochastic diffusion search and market equilibria.
Nikos Salamanos, Stavros Lopatatzidis, Michalis Vazirgiannis, Antonis Thomas
SIGDOC 2010
Quality Assessment Approaches in Data Mining.
Maria Halkidi, Michalis Vazirgiannis
Data Mining and Knowledge Discovery Handbook 2010
A Review of Web Document Clustering Approaches.
Nora Oikonomakou, Michalis Vazirgiannis
Data Mining and Knowledge Discovery Handbook 2010

2009

Efficient range query processing in metric spaces over highly distributed data.
Christos Doulkeridis, Akrivi Vlachou, Yannis Kotidis, Michalis Vazirgiannis
Distributed Parallel Databases 2009
Multidimensional routing indices for efficient distributed query processing.
Christos Doulkeridis, Akrivi Vlachou, Kjetil Nørvåg, Yannis Kotidis, Michalis Vazirgiannis
CIKM 2009
Omiotis: A Thesaurus-Based Measure of Text Relatedness.
George Tsatsaronis 0001, Iraklis Varlamis, Michalis Vazirgiannis, Kjetil Nørvåg
ECML/PKDD (2) 2009
FEDRA: A Fast and Efficient Dimensionality Reduction Algorithm.
Panagis Magdalinos, Christos Doulkeridis, Michalis Vazirgiannis
SDM 2009
Web Page Rank Prediction with PCA and EM Clustering.
Polyxeni Zacharouli, Michalis K. Titsias, Michalis Vazirgiannis
WAW 2009
Semantic relatedness hits bibliographic data.
George Tsatsaronis 0001, Iraklis Varlamis, Sofia Stamou, Kjetil Nørvåg, Michalis Vazirgiannis
WIDM 2009
Clustering Validity.
Michalis Vazirgiannis
Encyclopedia of Database Systems 2009

2008

NPClu: An approach for clustering spatially extended objects.
Maria Halkidi, Michalis Vazirgiannis
Intell. Data Anal. 2008
CASD: Management of a context-aware service directory.
Christos Doulkeridis, Michalis Vazirgiannis
Pervasive Mob. Comput. 2008
A density-based cluster validity approach using multi-representatives.
Maria Halkidi, Michalis Vazirgiannis
Pattern Recognit. Lett. 2008
A clustering framework based on subjective and objective validity criteria.
Maria Halkidi, Dimitrios Gunopulos, Michalis Vazirgiannis, Nitin Kumar, Carlotta Domeniconi
ACM Trans. Knowl. Discov. Data 2008
Peer-to-peer similarity search over widely distributed document collections.
Christos Doulkeridis, Kjetil Nørvåg, Michalis Vazirgiannis
LSDS-IR 2008
Skyline-based Peer-to-Peer Top-k Query Processing.
Akrivi Vlachou, Christos Doulkeridis, Kjetil Nørvåg, Michalis Vazirgiannis
ICDE 2008
Schema-assisted peer selection for XML querying in unstructured P2P systems.
Christos Doulkeridis, Kjetil Nørvåg, Michalis Vazirgiannis
MobiDE 2008
On efficient top-k query processing in highly distributed environments.
Akrivi Vlachou, Christos Doulkeridis, Kjetil Nørvåg, Michalis Vazirgiannis
SIGMOD Conference 2008
Word Sense Disambiguation with Semantic Networks.
George Tsatsaronis 0001, Iraklis Varlamis, Michalis Vazirgiannis
TSD 2008
Web page rank prediction with markov models.
Michalis Vazirgiannis, Dimitris Drosos, Pierre Senellart, Akrivi Vlachou
WWW 2008

2007

Context-based caching and routing for P2P web service discovery.
Christos Doulkeridis, Vassilis Zafeiris, Kjetil Nørvåg, Michalis Vazirgiannis, Emmanouel A. Giakoumakis
Distributed Parallel Databases 2007
DESENT: decentralized and distributed semantic overlay generation in P2P networks.
Christos Doulkeridis, Kjetil Nørvåg, Michalis Vazirgiannis
IEEE J. Sel. Areas Commun. 2007
Web site personalization based on link analysis and navigational patterns.
Magdalini Eirinaki, Michalis Vazirgiannis
ACM Trans. Internet Techn. 2007
Designing a Peer-to-Peer Architecture for Distributed Image Retrieval.
Akrivi Vlachou, Christos Doulkeridis, Dimitrios Mavroeidis, Michalis Vazirgiannis
Adaptive Multimedia Retrieval 2007
A Large Scale Data Mining Approach to Antibiotic Resistance Surveillance.
Eugenia G. Giannopoulou, Vasileios P. Kemerlis, Michalis Polemis, Joseph Papaparaskevas, Alkiviadis C. Vatopoulos, Michalis Vazirgiannis
CBMS 2007
Stability Based Sparse LSI/PCA: Incorporating Feature Selection in LSI and PCA.
Dimitrios Mavroeidis, Michalis Vazirgiannis
ECML 2007
SKYPEER: Efficient Subspace Skyline Computation over Distributed Data.
Akrivi Vlachou, Christos Doulkeridis, Yannis Kotidis, Michalis Vazirgiannis
ICDE 2007
Word Sense Disambiguation with Spreading Activation Networks Generated from Thesauri.
George Tsatsaronis 0001, Michalis Vazirgiannis, Ion Androutsopoulos
IJCAI 2007
Peer-to-Peer Similarity Search in Metric Spaces.
Christos Doulkeridis, Akrivi Vlachou, Yannis Kotidis, Michalis Vazirgiannis
VLDB 2007
Comparing apples and oranges: normalized pagerank for evolving graphs.
Klaus Berberich, Srikanta J. Bedathur, Gerhard Weikum, Michalis Vazirgiannis
WWW 2007

2006

Towards an Integrated Technological Framework for Modelling Shared Virtual Spaces: Languages and Domotic Applications.
Iosu Azkue, Alfredo Pina, Michalis Vazirgiannis
AMDO 2006
Scalable Semantic Overlay Generation for P2P-Based Digital Libraries.
Christos Doulkeridis, Kjetil Nørvåg, Michalis Vazirgiannis
ECDL 2006
Taxonomy Caching: A Scalable Low-CostMechanism for Indexing Remote Contents in Peer-to-Peer Systems.
Kjetil Nørvåg, Christos Doulkeridis, Michalis Vazirgiannis
ICPS 2006
Schema Caching for Improved XML Query Processing in P2P Systems.
Christos Doulkeridis, Kjetil Nørvåg, Michalis Vazirgiannis
Peer-to-Peer Computing 2006
K-Landmarks: Distributed Dimensionality Reduction for Clustering Quality Maintenance.
Panagis Magdalinos, Christos Doulkeridis, Michalis Vazirgiannis
PKDD 2006
Peer-to-Peer Clustering for Semantic Overlay Network Generation.
Michalis Vazirgiannis, Kjetil Nørvåg, Christos Doulkeridis
PRIS 2006
Representing and Quantifying Rank - Change for the Web Graph.
Akrivi Vlachou, Michalis Vazirgiannis, Klaus Berberich
WAW 2006
BuzzRank ... and the trend is your friend.
Klaus Berberich, Srikanta J. Bedathur, Michalis Vazirgiannis, Gerhard Weikum
WWW 2006
The SOWES approach to P2P web search using semantic overlays.
Christos Doulkeridis, Kjetil Nørvåg, Michalis Vazirgiannis
WWW 2006

2005

Time-Aware Authority Ranking.
Klaus Berberich, Michalis Vazirgiannis, Gerhard Weikum
Internet Math. 2005
Introducing Semantics in Web Personalization: The Role of Ontologies.
Magdalini Eirinaki, Dimitrios Mavroeidis, George Tsatsaronis 0001, Michalis Vazirgiannis
EWMF/KDO 2005
Usage-Based PageRank for Web Personalization.
Magdalini Eirinaki, Michalis Vazirgiannis
ICDM 2005
A Framework for Semi-Supervised Learning Based on Subjective and Objective Clustering Criteria.
Maria Halkidi, Dimitrios Gunopulos, Nitin Kumar, Michalis Vazirgiannis, Carlotta Domeniconi
ICDM 2005
The role of caching and context-awareness in P2P service discovery.
Christos Doulkeridis, Vassilis Zafeiris, Michalis Vazirgiannis
Mobile Data Management 2005
Word Sense Disambiguation for Exploiting Hierarchical Thesauri in Text Classification.
Dimitrios Mavroeidis, George Tsatsaronis 0001, Michalis Vazirgiannis, Martin Theobald, Gerhard Weikum
PKDD 2005
Web path recommendations based on page ranking and Markov models.
Magdalini Eirinaki, Michalis Vazirgiannis, Dimitris Kapogiannis
WIDM 2005
A System Architecture for Context-Aware Service Discovery.
Christos Doulkeridis, Nikos Loutas, Michalis Vazirgiannis
CWS@CONTEXT 2005
Quality Assessment Approaches in Data Mining.
Maria Halkidi, Michalis Vazirgiannis
The Data Mining and Knowledge Discovery Handbook 2005
A Review of Web Document Clustering Approaches.
Nora Oikonomakou, Michalis Vazirgiannis
The Data Mining and Knowledge Discovery Handbook 2005

2004

Distributed Virtual Reality Authoring Interfaces for the WWW: The VR-Shop Case.
Iraklis Varlamis, Michalis Vazirgiannis, Iosif Lazaridis, M. Papageorgiou, Themis Panayiotopoulos
Multim. Tools Appl. 2004
THESUS, a Closer View on Web Content Management Enhanced with Link Semantics.
Iraklis Varlamis, Michalis Vazirgiannis, Maria Halkidi, Benjamin Nguyen
IEEE Trans. Knowl. Data Eng. 2004
SEWeP: A Web Mining System Supporting Semantic Personalization.
Stratos Paulakis, Charalampos Lampos, Magdalini Eirinaki, Michalis Vazirgiannis
PKDD 2004
T-Rank: Time-Aware Authority Ranking.
Klaus Berberich, Michalis Vazirgiannis, Gerhard Weikum
WAW 2004
Querying and Updating a Context-Aware Service Directory in Mobile Environments.
Christos Doulkeridis, Michalis Vazirgiannis
Web Intelligence 2004
Web personalization integrating content semantics and navigational patterns.
Magdalini Eirinaki, Charalampos Lampos, Stratos Paulakis, Michalis Vazirgiannis
WIDM 2004

2003

DBGlobe: a service-oriented P2P system for global computing.
Evaggelia Pitoura, Serge Abiteboul, Dieter Pfoser, George Samaras, Michalis Vazirgiannis
SIGMOD Rec. 2003
Web mining for web personalization.
Magdalini Eirinaki, Michalis Vazirgiannis
ACM Trans. Internet Techn. 2003
THESUS: Organizing Web document collections based on link semantics.
Maria Halkidi, Benjamin Nguyen, Iraklis Varlamis, Michalis Vazirgiannis
VLDB J. 2003
Advanced Uses: Composing Interactive Spatio-temporal Documents.
Isabelle Mirbel, Barbara Pernici, Babis Theodoulidis, Alex Vakaloudis, Michalis Vazirgiannis
Spatio-Temporal Databases: The CHOROCHRONOS Approach 2003
Towards a Logical Model for Patterns.
Stefano Rizzi, Elisa Bertino, Barbara Catania, Matteo Golfarelli, Maria Halkidi, Manolis Terrovitis, Panos Vassiliadis, Michalis Vazirgiannis, Euripides Vrachnos
ER 2003
SEWeP: using site semantics and a taxonomy to enhance the Web personalization process.
Magdalini Eirinaki, Michalis Vazirgiannis, Iraklis Varlamis
KDD 2003
Towards a Context-Aware Service Directory.
Christos Doulkeridis, Efstratios Valavanis, Michalis Vazirgiannis
TES 2003
MobiShare: Sharing Context-Dependent Data and Services from Mobile Sources.
Efstratios Valavanis, Christopher N. Ververidis, Michalis Vazirgiannis, George C. Polyzos, Kjetil Nørvåg
Web Intelligence 2003

2002

Cluster Validity Methods: Part I.
Maria Halkidi, Yannis Batistakis, Michalis Vazirgiannis
SIGMOD Rec. 2002
Clustering Validity Checking Methods: Part II.
Maria Halkidi, Yannis Batistakis, Michalis Vazirgiannis
SIGMOD Rec. 2002
UMiner: A Data Mining System Handling Uncertainty and Quality.
Christos Amanatidis, Maria Halkidi, Michalis Vazirgiannis
EDBT 2002
Managing Uncertainty and Quality in the Classification Process.
Maria Halkidi, Michalis Vazirgiannis
SETN 2002
Data Modeling: Object-Oriented Data Model.
Michalis Vazirgiannis
Encyclopedia of Information Systems 2002

2001

On Clustering Validation Techniques.
Maria Halkidi, Yannis Batistakis, Michalis Vazirgiannis
J. Intell. Inf. Syst. 2001
Bridging XML-schema and relational databases: a system for generating and manipulating relational databases using valid XML documents.
Iraklis Varlamis, Michalis Vazirgiannis
ACM Symposium on Document Engineering 2001
Clustering Validity Assessment: Finding the Optimal Partitioning of a Data Set.
Maria Halkidi, Michalis Vazirgiannis
ICDM 2001
STEDEL: A Language For Interactive Spatiotemporal Compositions.
Iosif Lazaridis, Michalis Vazirgiannis, Timos K. Sellis
ICME 2001
The role of streaming in Interactive Multimedia Documents dissemination.
Reetta Pitkänen, Michalis Vazirgiannis, George C. Polyzos
ICME 2001
Web Document Searching Using Enhanced Hyperlink Semantics Based on XML.
Iraklis Varlamis, Michalis Vazirgiannis
IDEAS 2001
A Data Set Oriented Approach for Clustering Algorithm Selection.
Maria Halkidi, Michalis Vazirgiannis
PKDD 2001
A Spatiotemporal Model and Language for Moving Objects on Road Networks.
Michalis Vazirgiannis, Ouri Wolfson
SSTD 2001
Clustering Algorithms and Validity Measures.
Maria Halkidi, Yannis Batistakis, Michalis Vazirgiannis
SSDBM 2001

2000

WWW-enabled delivery of interactive multimedia documents.
Th. Markousis, D. Tsirikos, Michalis Vazirgiannis, Yannis Stavrakas
Comput. Commun. 2000
Interactive Multimedia Documents: A Modeling, Authoring and Rendering Approach.
Michalis Vazirgiannis, D. Tsirikos, Th. Markousis, M. Trafalis, Y. Stamati, Michael Hatzopoulos, Timos K. Sellis
Multim. Tools Appl. 2000
A foundation for representing and querying moving objects.
Ralf Hartmut Güting, Michael H. Böhlen, Martin Erwig, Christian S. Jensen, Nikos A. Lorentzos, Markus Schneider 0001, Michalis Vazirgiannis
ACM Trans. Database Syst. 2000
Checking the Temporal Integrity of Interactive Multimedia Documents.
Isabelle Mirbel, Barbara Pernici, Timos K. Sellis, S. Tserkezoglou, Michalis Vazirgiannis
VLDB J. 2000
Uncertainty handling in the data mining process with fuzzy logic.
Michalis Vazirgiannis, Maria Halkidi
FUZZ-IEEE 2000
Distributed Virtual Reality Authoring Interfaces for the WWW.
Iraklis Varlamis, Michalis Vazirgiannis, Iosif Lazaridis
IEEE International Conference on Multimedia and Expo (I) 2000
Quality Scheme Assessment in the Clustering Process.
Maria Halkidi, Michalis Vazirgiannis, Yannis Batistakis
PKDD 2000
Uncertainty Handling in Spatial Relationships.
Michalis Vazirgiannis
SAC (1) 2000
Structured Interactive Animation for Multimedia Documents.
Dan Vodislav, Michalis Vazirgiannis
VL 2000

1999

Spatio-Temporal Data Types: An Approach to Modeling and Querying Moving Objects in Databases.
Martin Erwig, Ralf Hartmut Güting, Markus Schneider 0001, Michalis Vazirgiannis
GeoInformatica 1999
Incorporating fuzzy set methodologies in a DBMS repository for the application domain of GIS.
Emmanuel Stefanakis, Michalis Vazirgiannis, Timos K. Sellis
Int. J. Geogr. Inf. Sci. 1999
Specifying and Authoring Multimedia Scenarios.
Michalis Vazirgiannis, Ioannis Kostalas, Timos K. Sellis
IEEE Multim. 1999
Spatiotemporal Specification & Verification of Multimedia Scenarios.
Ioannis Kostalas, Timos K. Sellis, Michalis Vazirgiannis
DS-8 1999
Temporal Integrity Constraints in Interactive Multimedia Documents.
Isabelle Mirbel, Barbara Pernici, Michalis Vazirgiannis
ICMCS, Vol. 2 1999

1998

Spatio-Temporal Composition and Indexing for Large Multimedia Applications.
Michalis Vazirgiannis, Yannis Theodoridis, Timos K. Sellis
Multim. Syst. 1998
Abstract and Discrete Modeling of Spatio-Temporal Data Types.
Martin Erwig, Ralf Hartmut Güting, Markus Schneider 0001, Michalis Vazirgiannis
ACM-GIS 1998
A Client-Server Design for Interactive Multimedia Documents Based on Java.
D. Tsirikos, Th. Markousis, I. Mouroulis, Michael Hatzopoulos, Michalis Vazirgiannis, Yannis Stavrakas
IDMS 1998
i-Mu.S.E. - Interactive Multimedia Scenario Editor.
Michalis Vazirgiannis, M. Trafalis, I. Stamati, Michael Hatzopoulos
IW-MMDBMS 1998
A Classification and Relationship Extraction Scheme for Raltional Databases Based on Fuzzy Logic.
Michalis Vazirgiannis
PAKDD 1998
Interactive multimedia scenario: modeling rendering.
Michalis Vazirgiannis, I. Stamati, M. Trafalis, Michael Hatzopoulos
SAC 1998

1997

Events in Interactive Multimedia Applications: Modeling and Implementation Design.
Michalis Vazirgiannis, Susanne Boll
ICMCS 1997

1996

Spatio-Temporal Indexing for Large Multimedia Applications.
Yannis Theodoridis, Michalis Vazirgiannis, Timos K. Sellis
ICMCS 1996
Event and Action Representation and Composition for Multimedia Application Scenario Modelling.
Michalis Vazirgiannis, Timos K. Sellis
IDMS 1996
Spatio-temporal composition in multimedia applications.
Michalis Vazirgiannis, Yannis Theodoridis, Timos K. Sellis
MMSD 1996
An Object-Oriented Modeling of Multimedia Database Objects and Applications.
Michalis Vazirgiannis
Multimedia Database Systems 1996

1995

KNOWEL: A Hypermedia Knowledge Editor.
Michalis Vazirgiannis, Alexandros Kalousis, Michael Hatzopoulos
DEXA Workshop 1995
Integrated Multimedia Object and Application Modelling Based on Events and Scenarios.
Michalis Vazirgiannis, Michael Hatzopoulos
IW-MMDBMS 1995

1993

An Object-Oriented Model for Interactive Multimedia Presentations.
Michalis Vazirgiannis, Costas Mourlas
Comput. J. 1993
An Object-Oriented Framework for Knowledge Representation Based on Fuzzy Sets.
Michalis Vazirgiannis, K. Petrou, A. Tsobanidis, Michael Hatzopoulos
J. Intell. Fuzzy Syst. 1993
A Script Based Approach for Interactive Multimedia Applications.
Michalis Vazirgiannis, Michael Hatzopoulos
MMM 1993
Hypermedia and Knowledge Representation: An Object-Oriented Design Based on Fuzzy Logic.
Michalis Vazirgiannis, K. Petrou, A. Tsobanidis, Michael Hatzopoulos
SEKE 1993