Publications

Nile-Chat: Egyptian Language Models for Arabic and Latin Scripts
G Shang, H Abdine, A Chamma, A Mohamed, M Anwar, A Bounhar, …
arXiv preprint arXiv:2507.04569 , 2025
2025
Lost in the Mix: Evaluating LLM Understanding of Code-Switched Text
A Mohamed, Y Zhang, M Vazirgiannis, G Shang
arXiv preprint arXiv:2506.14012 , 2025
1 2025
Beyond Random Sampling: Efficient Language Model Pretraining via Curriculum Learning
Y Zhang, A Mohamed, H Abdine, G Shang, M Vazirgiannis
arXiv preprint arXiv:2506.11300 , 2025
2025
The signed two-space proximity model for learning representations in protein–protein interaction networks
N Nakis, C Kosma, A Brativnyk, M Chatzianastasis, I Evdaimon, …
Bioinformatics 41 (6), btaf204 , 2025
2025
Prot2Text-V2: Protein Function Prediction with Multimodal Contrastive Alignment
X Fei, M Chatzianastasis, SA Carneiro, H Abdine, LP Petalidis, …
arXiv preprint arXiv:2505.11194 , 2025
2025
Prediction via Shapley Value Regression
A Alkhatib, R Bresson, H Boström, M Vazirgiannis
arXiv preprint arXiv:2505.04775 , 2025
1 2025
Obtaining Example-Based Explanations from Deep Neural Networks
G Dong, H Boström, M Vazirgiannis, R Bresson
International Symposium on Intelligent Data Analysis, 432-443 , 2025
2025
Obtaining Example-Based Explanations
G Dong, H Boström¹, M Vazirgiannis
Advances in Intelligent Data Analysis XXIII: 23rd International Symposium on … , 2025
2025
Graph-Based Factor Models for Interpretable Credit Spread Decomposition
A Ghiye, B Barreau, L Carlier, M Vazirgiannis
Available at SSRN 5212162 , 2025
2025
Efficient Data Selection for Training Genomic Perturbation Models
G Panagopoulos, JF Lutzeyer, S Ennadir, M Vazirgiannis, J Pang
arXiv preprint arXiv:2503.14571 , 2025
2025
Bitcoin research with a transaction graph dataset
H Schnoering, M Vazirgiannis
Scientific Data 12 (1), 404 , 2025
2 2025
Llm as a broken telephone: Iterative generation distorts information
A Mohamed, M Geng, M Vazirgiannis, G Shang
arXiv preprint arXiv:2502.20258 , 2025
2 2025
If you want to be robust, be wary of initialization
S Ennadir, J Lutzeyer, M Vazirgiannis, EH Bergou
Advances in Neural Information Processing Systems 37, 23796-23823 , 2024
1 2024
Rolling Forward: Enhancing LightGCN with Causal Graph Convolution for Credit Bond Recommendation
A Ghiye, B Barreau, L Carlier, M Vazirgiannis
Proceedings of the 5th ACM International Conference on AI in Finance, 231-238 , 2024
2024
Gaussian Mixture Models Based Augmentation Enhances GNN Generalization
Y Abbahaddou, FD Malliaros, JF Lutzeyer, AM Aboussalah, …
arXiv preprint arXiv:2411.08638 , 2024
2024
Post-Hoc Robustness Enhancement in Graph Neural Networks with Conditional Random Fields
Y Abbahaddou, S Ennadir, JF Lutzeyer, FD Malliaros, M Vazirgiannis
arXiv preprint arXiv:2411.05399 , 2024
2024
Centrality Graph Shift Operators for Graph Neural Networks
Y Abbahaddou, FD Malliaros, JF Lutzeyer, M Vazirgiannis
arXiv preprint arXiv:2411.04655 , 2024
2024
Graph Neural Networks on Discriminative Graphs of Words
Y Abbahaddou, JF Lutzeyer, M Vazirgiannis
arXiv preprint arXiv:2410.20469 , 2024
2 2024
Graph linearization methods for reasoning on graphs with large language models
C Xypolopoulos, G Shang, X Fei, G Nikolentzos, H Abdine, I Evdaimon, …
arXiv preprint arXiv:2410.19494 , 2024
3 2024
Bias in the Mirror: Are LLMs opinions robust to their own adversarial attacks?
V Rennard, C Xypolopoulos, M Vazirgiannis
arXiv preprint arXiv:2410.13517 , 2024
2024
Learning graph representations for influence maximization
G Panagopoulos, N Tziortziotis, M Vazirgiannis, J Pang, FD Malliaros
Social Network Analysis and Mining 14 (1), 203 , 2024
8 2024
Graph reasoning with large language models via pseudo-code prompting
K Skianis, G Nikolentzos, M Vazirgiannis
arXiv preprint arXiv:2409.17906 , 2024
9 2024
Atlas-Chat: Adapting large language models for low-resource Moroccan Arabic dialect
G Shang, H Abdine, Y Khoubrane, A Mohamed, Y Abbahaddou, …
arXiv preprint arXiv:2409.17912 , 2024
9 2024
Signed Graph Autoencoder for Explainable and Polarization-aware Network Embeddings
N Nakis, C Kosma, G Nikolentzos, M Chatzianastasis, I Evdaimon, …
arXiv preprint arXiv:2409.10452 , 2024
1 2024
Generative AI Day
J Tang, Y Dong, M Vazirgiannis
Proceedings of the 30th ACM SIGKDD Conference on Knowledge Discovery and … , 2024
2024
Metrics to detect small-scale and large-scale citation orchestration
I Evdaimon, J Ioannidis, G Nikolentzos, M Chatzianastasis, …
arXiv preprint arXiv:2406.19219 , 2024
2 2024
Kagnns: Kolmogorov-arnold networks meet graph learning
R Bresson, G Nikolentzos, G Panagopoulos, M Chatzianastasis, J Pang, …
arXiv preprint arXiv:2406.18380 , 2024
75 2024
Geometric Self-Supervised Pretraining on 3D Protein Structures using Subgraphs
M Chatzianastasis, Y Zhang, G Dasoulas, M Vazirgiannis
arXiv preprint arXiv:2406.14142 , 2024
1 2024
Leveraging discourse structure for extractive meeting summarization
V Rennard, G Shang, M Vazirgiannis, J Hunter
arXiv preprint arXiv:2405.11055 , 2024
2 2024
Bounding the expected robustness of graph neural networks subject to node feature attacks
Y Abbahaddou, S Ennadir, JF Lutzeyer, M Vazirgiannis, H Boström
arXiv preprint arXiv:2404.17947 , 2024
17 2024
A simple and yet fairly effective defense for graph neural networks
S Ennadir, Y Abbahaddou, JF Lutzeyer, M Vazirgiannis, H Boström
Proceedings of the AAAI conference on artificial intelligence 38 (19), 21063 … , 2024
25 2024
Prot2text: Multimodal protein’s function generation with gnns and transformers
H Abdine, M Chatzianastasis, C Bouyioukos, M Vazirgiannis
Proceedings of the AAAI Conference on Artificial Intelligence 38 (10), 10757 … , 2024
60 2024
Neural graph generator: Feature-conditioned graph generation using latent diffusion models
I Evdaimon, G Nikolentzos, C Xypolopoulos, A Kammoun, …
arXiv preprint arXiv:2403.01535 , 2024
6 2024
Assessing the efficacy of heuristic-based address clustering for bitcoin
H Schnoering, P Porthaux, M Vazirgiannis
arXiv preprint arXiv:2403.00523 , 2024
6 2024
Graph neural machine: a new model for learning with tabular data
G Nikolentzos, S Wang, J Lutzeyer, M Vazirgiannis
arXiv preprint arXiv:2402.02862 , 2024
4 2024
Generating graph perturbations to enhance the generalization of GNNs
S Ennadir, G Nikolentzos, M Vazirgiannis, H Boström
AI Open 5, 216-223 , 2024
2024
Interpretable graph neural networks for tabular data
A Alkhatib, S Ennadir, H Boström, M Vazirgiannis
ECAI 2024, 1848-1855 , 2024
11 2024
FREDSum: A Dialogue Summarization Corpus for French Political Debates
V Rennard, G Shang, D Grari, J Hunter, M Vazirgiannis
arXiv preprint arXiv:2312.04843 , 2023
3 2023
Unboundattack: Generating unbounded adversarial attacks to graph neural networks
S Ennadir, A Alkhatib, G Nikolentzos, M Vazirgiannis, H Boström
International Conference on Complex Networks and Their Applications, 100-111 , 2023
3 2023
TimeGNN: temporal dynamic graph learning for time series forecasting
N Xu, C Kosma, M Vazirgiannis
International Conference on Complex Networks and Their Applications, 87-99 , 2023
18 2023
Heuristics for detecting coinjoin transactions on the bitcoin blockchain
H Schnoering, M Vazirgiannis
arXiv preprint arXiv:2311.12491 , 2023
7 2023
Automatic analysis of substantiation in scientific peer reviews
Y Guo, G Shang, V Rennard, M Vazirgiannis, C Clavel
arXiv preprint arXiv:2311.11967 , 2023
9 2023
The curious decline of linguistic diversity: Training language models on synthetic text
Y Guo, G Shang, M Vazirgiannis, C Clavel
arXiv preprint arXiv:2311.09807 , 2023
58 2023
Maximizing influence with graph neural networks
G Panagopoulos, N Tziortziotis, M Vazirgiannis, F Malliaros
Proceedings of the International Conference on Advances in Social Networks … , 2023
19 2023
Explainable multilayer graph neural network for cancer gene prediction
M Chatzianastasis, M Vazirgiannis, Z Zhang
Bioinformatics 39 (11), btad643 , 2023
23 2023
Supervised Attention Using Homophily in Graph Neural Networks
M Chatzianastasis, G Nikolentzos, M Vazirgiannis
International Conference on Artificial Neural Networks, 576-586 , 2023
1 2023
Adaptive collaborative filtering with personalized time decay functions for financial product recommendation
A Ghiye, B Barreau, L Carlier, M Vazirgiannis
Proceedings of the 17th ACM conference on recommender systems, 798-804 , 2023
10 2023
Conformalized adversarial attack detection for graph neural networks
S Ennadir, A Alkhatib, H Bostrom, M Vazirgiannis
Conformal and Probabilistic Prediction with Applications, 311-323 , 2023
1 2023
Time-parameterized convolutional neural networks for irregularly sampled time series
C Kosma, G Nikolentzos, M Vazirgiannis
arXiv preprint arXiv:2308.03210 , 2023
9 2023
Abstractive meeting summarization: A survey
V Rennard, G Shang, J Hunter, M Vazirgiannis
Transactions of the Association for Computational Linguistics 11, 861-884 , 2023
33 2023
Path neural networks: Expressive and accurate graph neural networks
G Michel, G Nikolentzos, JF Lutzeyer, M Vazirgiannis
International Conference on Machine Learning, 24737-24755 , 2023
58 2023
[TACL] Abstractive Meeting Summarization: A Survey
V Rennard, G Shang, J Hunter, M Vazirgiannis
The 61st Annual Meeting Of The Association For Computational Linguistics , 2023
2023
Graph ordering attention networks
M Chatzianastasis, J Lutzeyer, G Dasoulas, M Vazirgiannis
Proceedings of the AAAI Conference on Artificial Intelligence 37 (6), 7006-7014 , 2023
36 2023
Neural architecture search with multimodal fusion methods for diagnosing dementia
M Chatzianastasis, L Ilias, D Askounis, M Vazirgiannis
ICASSP 2023-2023 IEEE International Conference on Acoustics, Speech and … , 2023
13 2023
GNNs and Graph Generative models for biomedical applications
M Vazirgiannis
Proceedings of the ACM Web Conference 2023, 4-4 , 2023
1 2023
Synthetic electronic health records generated with variational graph autoencoders
G Nikolentzos, M Vazirgiannis, C Xypolopoulos, M Lingman, EG Brandt
NPJ Digital Medicine 6 (1), 83 , 2023
30 2023
What do gnns actually learn? towards understanding their representations
G Nikolentzos, M Chatzianastasis, M Vazirgiannis
arXiv preprint arXiv:2304.10851 , 2023
2 2023
Graph alignment kernels using weisfeiler and leman hierarchies
G Nikolentzos, M Vazirgiannis
International Conference on Artificial Intelligence and Statistics, 2019-2034 , 2023
4 2023
Weisfeiler and Leman go hyperbolic: Learning distance preserving node representations
G Nikolentzos, M Chatzianastasis, M Vazirgiannis
International Conference on Artificial Intelligence and Statistics, 1037-1054 , 2023
12 2023
Geometric random walk graph neural networks via implicit layers
G Nikolentzos, M Vazirgiannis
International Conference on Artificial Intelligence and Statistics, 2035-2053 , 2023
6 2023
Greekbart: The first pretrained greek sequence-to-sequence model
I Evdaimon, H Abdine, C Xypolopoulos, S Outsios, M Vazirgiannis, …
arXiv preprint arXiv:2304.00869 , 2023
15 2023
Neural ordinary differential equations for modeling epidemic spreading
C Kosma, G Nikolentzos, G Panagopoulos, JM Steyaert, M Vazirgiannis
Transactions on Machine Learning Research , 2023
9 2023
Word sense induction with agglomerative clustering and mutual information maximization
H Abdine, MK Eddine, D Buscaldi, M Vazirgiannis
AI Open 4, 193-201 , 2023
2 2023
Dgraph: A large-scale financial dataset for graph anomaly detection
X Huang, Y Yang, Y Wang, C Wang, Z Zhang, J Xu, L Chen, …
Advances in Neural Information Processing Systems 35, 22765-22777 , 2022
113 2022
New Frontiers in Graph Autoencoders: Joint Community Detection and Link Prediction
G Salha-Galvan, JF Lutzeyer, G Dasoulas, R Hennequin, M Vazirgiannis
arXiv preprint arXiv:2211.08972 , 2022
2 2022
Sparsifying the update step in graph neural networks
JF Lutzeyer, C Wu, M Vazirgiannis
Topological, Algebraic and Geometric Learning Workshops 2022, 258-268 , 2022
7 2022
Improving graph neural networks at scale: Combining approximate pagerank and corerank
ARR Vela, JF Lutzeyer, A Giovanidis, M Vazirgiannis
arXiv preprint arXiv:2211.04248 , 2022
1 2022
Improving Graph Neural Networks at Scale: Combining Approximate PageRank and CoreRank
AR Ramos Vela, JF Lutzeyer, A Giovanidis, M Vazirgiannis
arXiv e-prints, arXiv: 2211.04248 , 2022
2022
Questioning the validity of summarization datasets and improving their factual consistency
Y Guo, C Clavel, MK Eddine, M Vazirgiannis
arXiv preprint arXiv:2210.17378 , 2022
10 2022
DATScore: Evaluating translation with data augmented translations
MK Eddine, G Shang, M Vazirgiannis
arXiv preprint arXiv:2210.06576 , 2022
5 2022
Advancing antibiotic resistance classification with deep learning using protein sequence and structure
A Qabel, S Ennadir, G Nikolentzos, JF Lutzeyer, M Chatzianastasis, …
bioRxiv, 2022.10. 06.511103 , 2022
4 2022
DATScore: Evaluating Translation with Data Augmented Translations
M Kamal Eddine, G Shang, M Vazirgiannis
arXiv e-prints, arXiv: 2210.06576 , 2022
2022
Explaining predictions by characteristic rules
A Alkhatib, H Boström, M Vazirgiannis
Joint European Conference on Machine Learning and Knowledge Discovery in … , 2022
10 2022
Mass enhanced node embeddings for drug repurposing
M Chatzianastasis, G Nikolentzos, M Vazirgiannis
Proceedings of the 12th Hellenic Conference on Artificial Intelligence, 1-5 , 2022
2 2022
Time series forecasting models copy the past: How to mitigate
C Kosma, G Nikolentzos, N Xu, M Vazirgiannis
International Conference on Artificial Neural Networks, 366-378 , 2022
8 2022
Modularity-aware graph autoencoders for joint community detection and link prediction
G Salha-Galvan, JF Lutzeyer, G Dasoulas, R Hennequin, M Vazirgiannis
Neural Networks 153, 474-495 , 2022
68 2022
Permute me softly: learning soft permutations for graph representations
G Nikolentzos, G Dasoulas, M Vazirgiannis
IEEE Transactions on Pattern Analysis and Machine Intelligence 45 (4), 5087-5098 , 2022
12 2022
Évaluation et Production de Plongements de Mots à Partir de Contenus Web Français à Grande Échelle
H Abdine, C Xypolopoulos, MK Eddine, M Vazirgiannis
Conférence Nationale en Intelligence Artificielle 2022 (CNIA 2022) , 2022
2022
Node feature kernels increase graph convolutional network robustness
MEA Seddik, C Wu, JF Lutzeyer, M Vazirgiannis
International Conference on Artificial Intelligence and Statistics, 6225-6241 , 2022
10 2022
FrugalScore: Learning cheaper, lighter and faster evaluation metrics for automatic text generation
MK Eddine, G Shang, A Tixier, M Vazirgiannis
Proceedings of the 60th Annual Meeting of the Association for Computational … , 2022
32 2022
Political communities on Twitter: case study of the 2022 French presidential election
H Abdine, Y Guo, V Rennard, M Vazirgiannis
arXiv preprint arXiv:2204.07436 , 2022
8 2022
Arabart: a pretrained arabic sequence-to-sequence model for abstractive summarization
MK Eddine, N Tomeh, N Habash, JL Roux, M Vazirgiannis
arXiv preprint arXiv:2203.10945 , 2022
60 2022
AraBART: a Pretrained Arabic Sequence-to-Sequence Model for Abstractive Summarization
M Kamal Eddine, N Tomeh, N Habash, J Le Roux, M Vazirgiannis
arXiv e-prints, arXiv: 2203.10945 , 2022
1 2022
Exploratory Analysis of Academic Collaborations between French and US
G Panagopoulos, M Vazirgiannis
arXiv preprint arXiv:2201.01346 , 2022
2022
Structure-Aware Antibiotic Resistance Classification Using Graph Neural Networks
A Qabel, S Ennadir, G Nikolentzos, JF Lutzeyer, M Chatzianastasis, …
NeurIPS 2022 AI for Science: Progress and Promises , 2022
5 2022
NLP Research and Resources at DaSciM, Ecole Polytechnique
H Abdine, Y Guo, MK Eddine, G Nikolentzos, S Outsios, G Shang, …
arXiv preprint arXiv:2112.00566 , 2021
2021
Image keypoint matching using graph neural networks
N Xu, G Nikolentzos, M Vazirgiannis, H Boström
International Conference on Complex Networks and Their Applications, 441-451 , 2021
5 2021
Graph kernels: A survey
G Nikolentzos, G Siglidis, M Vazirgiannis
Journal of Artificial Intelligence Research 72, 943-1027 , 2021
198 2021
JuriBERT: A masked-language model adaptation for French legal text
S Douka, H Abdine, M Vazirgiannis, RE Hamdani, DR Amariles
arXiv preprint arXiv:2110.01485 , 2021
51 2021
FastGAE: Scalable graph autoencoders with stochastic subgraph decoding
G Salha, R Hennequin, JB Remy, M Moussallam, M Vazirgiannis
Neural Networks 142, 1-19 , 2021
30 2021
Can Author Collaboration Reveal Impact? The Case of h-index
G Nikolentzos, G Panagopoulos, I Evdaimon, M Vazirgiannis
Predicting the Dynamics of Research Impact, 177-194 , 2021
4 2021
BERTweetFR: Domain adaptation of pre-trained language models for French tweets
Y Guo, V Rennard, C Xypolopoulos, M Vazirgiannis
arXiv preprint arXiv:2109.10234 , 2021
23 2021
Cold start similar artists ranking with gravity-inspired graph autoencoders
G Salha-Galvan, R Hennequin, B Chapus, VA Tran, M Vazirgiannis
Proceedings of the 15th ACM Conference on Recommender Systems, 443-452 , 2021
27 2021
An Empirical Study of the Expressiveness of Graph Kernels and Graph Neural Networks
G Nikolentzos, G Panagopoulos, M Vazirgiannis
International Conference on Artificial Neural Networks, 139-150 , 2021
2021
Node Feature Kernels Increase Graph Convolutional Network Robustness
M El Amine Seddik, C Wu, JF Lutzeyer, M Vazirgiannis
arXiv e-prints, arXiv: 2109.01785 , 2021
2021
Audience expansion based on user browsing history
N Tziortziotis, Y Qiu, M Hue, M Vazirgiannis
2021 International Joint Conference on Neural Networks (IJCNN), 1-8 , 2021
4 2021
Computational Indicators in the Legal Profession: Can Artificial Intelligence Measure Lawyers’ Performance?
D Restrepo-Amariles, PM Baquero, P Boniol, R El Hamdani, …
Journal of Law, Technology and Policy 2021 (2) , 2021
2 2021
Ego-based entropy measures for structural representations on graphs
G Dasoulas, G Nikolentzos, K Seaman, A Virmaux, M Vazirgiannis
ICASSP 2021-2021 IEEE International Conference on Acoustics, Speech and … , 2021
2 2021
Transfer graph neural networks for pandemic forecasting
G Panagopoulos, G Nikolentzos, M Vazirgiannis
Proceedings of the AAAI Conference on Artificial Intelligence 35 (6), 4838-4845 , 2021
220 2021
Evaluation of word embeddings from large-scale french web content
H Abdine, C Xypolopoulos, MK Eddine, M Vazirgiannis
arXiv preprint arXiv:2105.01990 , 2021
7 2021
Structure and influence in a global capital–ownership network
S Khalife, J Read, M Vazirgiannis
Applied Network Science 6 (1), 16 , 2021
7 2021
How covid-19 is changing our language: Detecting semantic shift in twitter word embeddings
Y Guo, C Xypolopoulos, M Vazirgiannis
arXiv preprint arXiv:2102.07836 , 2021
15 2021
Learning parametrised graph shift operators
G Dasoulas, J Lutzeyer, M Vazirgiannis
arXiv preprint arXiv:2101.10050 , 2021
36 2021
Computational Indicators in the Legal Profession: Can Artificial Intelligence Measure Lawyers’ Performance?
DR Amariles, PM Baquero, P Boniol, R El Hamdani, M Vazirgiannis
U. Ill. JL Tech. & Pol’y, 313 , 2021
6 2021
Graph-based neural architecture search with operation embeddings
M Chatzianastasis, G Dasoulas, G Siolas, M Vazirgiannis
Proceedings of the IEEE/CVF International Conference on Computer Vision, 393-402 , 2021
19 2021
Learning to Maximize Influence.
G Panagopoulos, N Tziortziotis, FD Malliaros, M Vazirgiannis
CoRR , 2021
2021
Operation embeddings for neural architecture search
M Chatzianastasis, G Dasoulas, G Siolas, M Vazirgiannis
CoRR abs/2105.04885 , 2021
3 2021
Graph auto-encoders for learning edge representations
V Rennard, G Nikolentzos, M Vazirgiannis
International conference on complex networks and their applications, 117-129 , 2020
6 2020
Enriching graph representations of text: application to medical text classification
A Mandalios, A Chortaras, G Stamou, M Vazirgiannis
International Conference on Complex Networks and Their Applications, 92-103 , 2020
3 2020
Image classification using graph-based representations and graph neural networks
G Nikolentzos, M Thomas, AR Rivera, M Vazirgiannis
International Conference on Complex Networks and Their Applications, 142-153 , 2020
5 2020
Multi-task learning for influence estimation and maximization
G Panagopoulos, FD Malliaros, M Vazirgiannis
IEEE Transactions on Knowledge and Data Engineering 34 (9), 4398-4409 , 2020
57 2020
Barthez: a skilled pretrained french sequence-to-sequence model
MK Eddine, AJP Tixier, M Vazirgiannis
arXiv preprint arXiv:2010.12321 , 2020
88 2020
K-hop graph neural networks
G Nikolentzos, G Dasoulas, M Vazirgiannis
Neural Networks 130, 195-205 , 2020
59 2020
Boosting tricks for word mover’s distance
K Skianis, FD Malliaros, N Tziortziotis, M Vazirgiannis
International Conference on Artificial Neural Networks, 761-772 , 2020
5 2020
EvoNet: A neural network for predicting the evolution of dynamic graphs
C Wu, G Nikolentzos, M Vazirgiannis
International conference on artificial neural networks, 594-606 , 2020
18 2020
Simple and effective graph autoencoders with one-hop linear models
G Salha, R Hennequin, M Vazirgiannis
Joint European conference on machine learning and knowledge discovery in … , 2020
71 2020
United We Stand: Transfer Graph Neural Networks for Covid-19 Pandemic Forecasting
G Panagopoulos, G Nikolentzos, M Vazirgiannis
arXiv preprint arXiv:2009.08388 also in AAAI 2021 , 2020
7 2020
Composition du Jury
M Vazirgiannis, D Thilikos, JP Vert, WL Hamilton, E Kim, J Tang, M Valko, …
University of Patras, Greece , 2020
2020
Predicting conversions in display advertising based on URL embeddings
Y Qiu, N Tziortziotis, M Hue, M Vazirgiannis
arXiv preprint arXiv:2008.12003 , 2020
7 2020
Performance in the Courtroom: Automated Processing and Visualization of Appeal Court Decisions in France
P Boniol, G Panagopoulos, C Xypolopoulos, RE Hamdani, DR Amariles, …
arXiv preprint arXiv:2006.06251 and in KDD 20 and in Natural Legal Language … , 2020
15 2020
Rep the set: Neural networks for learning set representations
K Skianis, G Nikolentzos, S Limnios, M Vazirgiannis
International conference on artificial intelligence and statistics, 1410-1420 , 2020
55 2020
Hcore-Init: Neural Network Initialization based on Graph Degeneracy
S Limnios, G Dasoulas, DM Thilikos, M Vazirgiannis
25th International Conference on Pattern Recognition (ICPR 2020), arXiv … , 2020
14 2020
Speaker-change Aware CRF for Dialogue Act Classification
G Shang, AJP Tixier, M Vazirgiannis, JP Lorré
COLING 2020, arXiv preprint arXiv:2004.02913 , 2020
29 2020
Message passing attention networks for document understanding
G Nikolentzos, A Tixier, M Vazirgiannis
Proceedings of the aaai conference on artificial intelligence 34 (05), 8544-8551 , 2020
96 2020
Unsupervised word polysemy quantification with multiresolution grids of contextual embeddings
C Xypolopoulos, AJP Tixier, M Vazirgiannis
arXiv preprint arXiv:2003.10224 , 2020
11 2020
Ego-based entropy measures for structural representations
G Dasoulas, G Nikolentzos, K Scaman, A Virmaux, M Vazirgiannis
arXiv preprint arXiv:2003.00553 , 2020
7 2020
Performance in the courtroom: Automated processing and visualization of appeal court decisions in france
M VAZIRGIANNIS, P BONIOL, G PANAGOPOULOS, C XYPOLOPOULOS, …
Revista Eletrônica da Faculdade de Direito de Franca 15 (2) , 2020
3 2020
Random walk graph neural networks
G Nikolentzos, M Vazirgiannis
Advances in Neural Information Processing Systems 33, 16211-16222 , 2020
159 2020
FastGAE: Fast, scalable and effective graph autoencoders with stochastic subgraph decoding
G Salha, R Hennequin, JB Remy, M Moussallam, M Vazirgiannis
arXiv preprint arXiv:2002.01910 , 2020
8 2020
The core decomposition of networks: Theory, algorithms and applications
FD Malliaros, C Giatsidis, AN Papadopoulos, M Vazirgiannis
The VLDB Journal 29 (1), 61-92 , 2020
184 2020
An ensemble method for producing word representations focusing on the Greek language
M Lioudakis, S Outsios, M Vazirgiannis
arXiv preprint arXiv:1912.04965 , 2019
11 2019
k-Degree anonymity on directed networks
J Casas-Roma, J Salas, FD Malliaros, M Vazirgiannis
Knowledge and Information Systems 63 (1), DOI: 10.1007/s10115-018-1251-5 , 2019
24 2019
Matching Node Embeddings Using Valid Assignment Kernels
C Wu, G Nikolentzos, M Vazirgiannis
International Conference on Complex Networks and Their Applications, 810-821 , 2019
2019
Scientometrics for success and influence in the microsoft academic graph
G Panagopoulos, C Xypolopoulos, K Skianis, C Giatsidis, J Tang, …
International Conference on Complex Networks and Their Applications, 1007-1017 , 2019
7 2019
Empirical analysis of a global capital-ownership network
S Khalife, J Read, M Vazirgiannis
International Conference on Complex Networks and Their Applications, 656-667 , 2019
3 2019
Machine Learning on Graphs with Kernels
M Vazirgiannis, G Nikolentzos, G Siglidis
Proceedings of the 28th ACM International Conference on Information and … , 2019
2019
Gravity-inspired graph autoencoders for directed link prediction
G Salha, S Limnios, R Hennequin, VA Tran, M Vazirgiannis
Proceedings of the 28th ACM international conference on information and … , 2019
131 2019
Representation Learning for Text and Applications
M Vazirgiannis
2019
Proceedings of the Thirteenth Workshop on Graph-Based Methods for Natural Language Processing (TextGraphs-13)
D Ustalov, S Somasundaran, P Jansen, G Glavaš, M Riedl, M Surdeanu, …
Proceedings of the Thirteenth Workshop on Graph-Based Methods for Natural … , 2019
1 2019
Scalable graph-based method for individual named entity identification
S Khalife, M Vazirgiannis
Proceedings of the Thirteenth Workshop on Graph-Based Methods for Natural … , 2019
6 2019
Learning structural node representations using graph kernels
G Nikolentzos, M Vazirgiannis
IEEE transactions on knowledge and data engineering 33 (5), 2045-2056 , 2019
39 2019
Keep it simple: Graph autoencoders without graph convolutional networks
G Salha, R Hennequin, M Vazirgiannis
arXiv preprint arXiv:1910.00942 , 2019
80 2019
Geometry and Analogies: A Study and Propagation Method
S Khalife, L Liberti, M Vazirgiannis
Statistical Language and Speech Processing: 7th International Conference … , 2019
2019
Perturb and combine to identify influential spreaders in real-world networks
AJP Tixier, MEG Rossi, FD Malliaros, J Read, M Vazirgiannis
Proceedings of the 2019 IEEE/ACM International Conference on Advances in … , 2019
10 2019
Revisiting the Graph Isomorphism Problem with Semidefinite Programming
G Nikolentzos, M Vazirgiannis
arXiv preprint arXiv:1908.06320 , 2019
2019
Bidirectional context-aware hierarchical attention network for document understanding
JB Remy, AJP Tixier, M Vazirgiannis
arXiv preprint arXiv:1908.06006 , 2019
4 2019
Error-space representations for multi-dimensional data streams with temporal dependence
J Read, N Tziortziotis, M Vazirgiannis
Pattern Analysis and Applications 22 (3), 1211-1220 , 2019
7 2019
DL4G-SDE 2019 Chairs’ Welcome
J Tang, H Xiong, M Vazirgiannis, L Chen, Y Dong, B Li, F Malliaros, L Qin
The Web Conference 2019-Companion of the World Wide Web Conference, WWW 2019 … , 2019
2019
Rooted citation graphs density metrics for research papers influence evaluation
C Giatsidis, G Nikolentzos, C Zhang, J Tang, M Vazirgiannis
Journal of Informetrics 13 (2), 757-768 , 2019
12 2019
Energy-based self-attentive learning of abstractive communities for spoken language understanding
G Shang, AJP Tixier, M Vazirgiannis, JP Lorré
AACL-IJCNLP 2020, arXiv preprint arXiv:1904.09491 , 2019
13 2019
Evaluation of Greek word embeddings
S Outsios, C Karatsalos, K Skianis, M Vazirgiannis
arXiv preprint arXiv:1904.04032 , 2019
25 2019
Randomised bayesian least-squares policy iteration
N Tziortziotis, C Dimitrakakis, M Vazirgiannis
arXiv preprint arXiv:1904.03535 , 2019
1 2019
A degeneracy framework for scalable graph autoencoders
G Salha, R Hennequin, VA Tran, M Vazirgiannis
IJCAI 2019 , 2019
47 2019
Influence maximization via representation learning
G Panagopoulos, M Vazirgiannis, DM Fragkiskos
arXiv preprint arXiv:1904.08804 , 2019
4 2019
Learning structural node representations on directed graphs
N Steenfatt, G Nikolentzos, M Vazirgiannis, Q Zhao
International Conference on Complex Networks and their Applications, 132-144 , 2018
8 2018
Diffugreedy: An influence maximization algorithm based on diffusion cascades
G Panagopoulos, FD Malliaros, M Vazirgiannis
International Conference on Complex Networks and their Applications, 392-404 , 2018
14 2018
MATI: An efficient algorithm for influence maximization in social networks
MEG Rossi, B Shi, N Tziortziotis, FD Malliaros, C Giatsidis, M Vazirgiannis
PloS one 13 (11), e0206318 , 2018
22 2018
GraphRep: boosting text mining, NLP and information retrieval with graphs
M Vazirgiannis, FD Malliaros, G Nikolentzos
Proceedings of the 27th ACM International Conference on Information and … , 2018
19 2018
Enhancing graph kernels via successive embeddings
G Nikolentzos, M Vazirgiannis
Proceedings of the 27th ACM International Conference on Information and … , 2018
8 2018
Word embeddings from large-scale greek web content
S Outsios, K Skianis, P Meladianos, C Xypolopoulos, M Vazirgiannis
arXiv preprint arXiv:1810.06694 , 2018
25 2018
Kernel graph convolutional neural networks
G Nikolentzos, P Meladianos, AJP Tixier, K Skianis, M Vazirgiannis
International conference on artificial neural networks, 22-32 , 2018
75 2018
Adaptive submodular influence maximization with myopic feedback
G Salha, N Tziortziotis, M Vazirgiannis
2018 IEEE/ACM International Conference on Advances in Social Networks … , 2018
26 2018
Message passing graph kernels
G Nikolentzos, M Vazirgiannis
arXiv preprint arXiv:1808.02510 , 2018
12 2018
Unsupervised Abstractive Meeting Summarization with Multi-Sentence Compression and Budgeted Submodular Maximization
G Shang, A Tixier, M Vazirgiannis, JP Lorret
ACL 2018 , 2018
156 2018
Orthogonal matching pursuit for text classification
K Skianis, N Tziortziotis, M Vazirgiannis
arXiv preprint arXiv:1807.04715 , 2018
12 2018
A Degeneracy Framework for Graph Similarity
G Nikolentzos, P Meladianos, S Limnios, M Vazirgiannis
IJCAI 2018 , 2018
95 2018
GraKeL: A Graph Kernel Library in Python
G Siglidis, G Nikolentzos, S Limnios, C Giatsidis, K Skianis, M Vazirgianis
https://arxiv.org/pdf/1806.02193.pdf , 2018
238 2018
Fusing document, collection and label graph-based representations with word embeddings for text classification
K Skianis, F Malliaros, M Vazirgiannis
NAACL-HLT Workshop on Graph-Based Natural Language Processing (TextGraphs) , 2018
38 2018
BigNet 2018 Chairs’ Welcome & Organization
J Tang, M Vazirgiannis, Y Dong, FD Malliaros, M Cochez, M Kejriwal, …
Companion Proceedings of the The Web Conference 2018, 943-944 , 2018
2 2018
An optimization approach for sub-event detection and summarization in twitter
P Meladianos, C Xypolopoulos, G Nikolentzos, M Vazirgiannis
European conference on information retrieval, 481-493 , 2018
40 2018
Kernel Graph Convolutional Neural Nets
G Nikolentzos, P Meladianos, AJP Tixier, K Skianis, M Vazirgiannis
2018
Community-preserving anonymization of graphs
F Rousseau, J Casas-Roma, M Vazirgiannis
Knowledge and Information Systems 54 (2), 315-343 , 2018
40 2018
Predictive Maintenance in Aviation: Failure Prediction from Post Flight Reports
P Korvesis, S Besseau, M Vazirgiannis
IEEE – ICDE 2018, Paris, Industrial track , 2018
67 2018
Special focus on natural language processing and social computing
J Tang, H Tong, M Vazirgiannis
Science China. Information Sciences 60 (11), 110100 , 2017
2 2017
Graph-based text representations: Boosting text mining, nlp and information retrieval with graphs
FD Malliaros, M Vazirgiannis
Proceedings of the 2017 Conference on Empirical Methods in Natural Language … , 2017
9 2017
Shortest-path graph kernels for document similarity
G Nikolentzos, P Meladianos, F Rousseau, Y Stavrakas, M Vazirgiannis
Proceedings of the 2017 Conference on Empirical Methods in Natural Language … , 2017
72 2017
Combining graph degeneracy and submodularity for unsupervised extractive summarization
A Tixier, P Meladianos, M Vazirgiannis
Proceedings of the workshop on new frontiers in summarization, 48-58 , 2017
43 2017
Graph Classification with 2D Convolutional Neural Networks
AJP Tixier, G Nikolentzos, P Meladianos, M Vazirgiannis
arXiv preprint arXiv:1708.02218, to appear in ICANN 2019 conference , 2017
66 2017
Introduction to Special Issue on Social Media Processing ( TISTSMP)
R Burt, J Tang, M Vazirgiannis, S Yang
ACM Transactions on Intelligent Systems and Technology (TIST) 8 (6), 1-2 , 2017
2017
Graph Classification with 2D Convolutional Neural Networks
A Jean-Pierre Tixier, G Nikolentzos, P Meladianos, M Vazirgiannis
arXiv e-prints, arXiv: 1708.02218 , 2017
1 2017
Graph of words: Boosting text mining tasks with graphs
M Vazirgiannis
Proceedings of the 26th international conference on world wide web companion … , 2017
7 2017
Multivariate gaussian document representation from word embeddings for text categorization
G Nikolentzos, P Meladianos, F Rousseau, Y Stavrakas, M Vazirgiannis
Proceedings of the 15th Conference of the European Chapter of the … , 2017
29 2017
Real-time keyword extraction from conversations
P Meladianos, A Tixier, I Nikolentzos, M Vazirgiannis
Proceedings of the 15th Conference of the European Chapter of the … , 2017
23 2017
Matching Node Embeddings for Graph Similarity
G Nikolentzos, P Meladianos, M Vazirgiannis
Thirty-First AAAI Conference on Artificial Intelligence (AAAI-17) , 2017
294 2017
BigNet’17 Workshop Chairs’ Welcome
J Tang, M Vazirgiannis, H Tong, Y Dong
26th International World Wide Web Conference 2017, WWW 2017 Companion, 1179 , 2017
2017
Sensitivity of Community Structure to Network Uncertainty
M Mitri, FD Malliaros, M Vazirgiannis.
SIAM International Conference on Data Mining (SDM), Houston, Texas, April 2017. , 2017
2 2017
SpreadViz: Analytics and visualization of spreading processes in social networks
K Skianis, MEG Rossi, FD Malliaros, M Vazirgiannis
2016 IEEE 16th International Conference on Data Mining Workshops (ICDMW … , 2016
3 2016
A graph degeneracy-based approach to keyword extraction
A Tixier, F Malliaros, M Vazirgiannis
Proceedings of the 2016 conference on empirical methods in natural language … , 2016
117 2016
Word embeddings for the construction domain
AJP Tixier, M Vazirgiannis, MR Hallowell
arXiv preprint arXiv:1610.09333 , 2016
18 2016
BigNet 2016: First workshop on big network analytics
J Tang, K Cai, Z Su, H Tong, M Vazirgiannis, Y Yang
Proceedings of the 25th ACM International on Conference on Information and … , 2016
1 2016
K-clique-graphs for Dense Subgraph Discovery
G Nikolentzos, P Meladianos, Y Stavrakas, M Vazirgiannis
ECML/PKDD 2017 and arXiv preprint arXiv:1610.06008 , 2016
5 2016
Gowvis: a web application for graph-of-words-based text visualization and summarization
A Tixier, K Skianis, M Vazirgiannis
Proceedings of ACL-2016 System Demonstrations, 151-156 , 2016
31 2016
A k-core decomposition framework for graph clustering
C Giatsidis, FD Malliaros, N Tziortziotis, C Dhanjal, E Kiagias, DM Thilikos, …
arXiv preprint arXiv:1607.02096 , 2016
12 2016
Exploring network centralities in spreading processes
MEG Rossi, M Vazirgiannis
International symposium on web algorithms (iSWAG) , 2016
5 2016
Locating influential nodes in complex networks
Fragkiskos Malliaros, Maria-Evgenia G. Rossi, Michalis Vazirgiannis
Scientific Reports/Nature 6, 19307 , 2016
193 2016
Regularizing Text Categorization with Clusters of Words.
K Skianis, F Rousseau, M Vazirgiannis
EMNLP 2016, 1827-1837 , 2016
24 2016
Core Decomposition in Graphs: Concepts, Algorithms and Applications.
FD Malliaros, AN Papadopoulos, M Vazirgiannis
EDBT, 720-721 , 2016
21 2016
Method-independent indices for cluster validation and estimating the number of clusters
M Halkidi, M Vazirgiannis, C Hennig
Handbook of cluster analysis 26, 595-618 , 2015
70 2015
Graph Mining
M Vazirgiannis
2015
Feature Selection
G Nikolentzos, M Vazirgiannis
2015
Convolutional Sentence Kernel from Word Embeddings for Short Text Categorization.
MV Jonghoon Kim, François Rousseau
EMNLP 2015, 775-780 , 2015
26 2015
Text Categorization as a Graph Classification Problem
MV Francois Rousseau, Emmanouil Kiagias
ACL 2015 1, 1702-1712 , 2015
208 2015
Vulnerability assessment in social networks under cascade-based node departures
FD Malliaros, M Vazirgiannis
Europhysics Letters 110 (6), 68006 , 2015
8 2015
Spread it good, spread it fast: Identification of influential nodes in social networks
MEG Rossi, FD Malliaros, M Vazirgiannis
Proceedings of the 24th International Conference on World Wide Web, 101-102 , 2015
48 2015
Graph-of-word: boosting text mining with graphs
M Vazirgiannis
CORIA 2015, http://coria2015.lip6.fr/programme/ , 2015
2015
Limiting data exposure in multi-label classification processes
N Anciaux, D Boutara, B Nguyen, M Vazirgiannis
Fundamenta Informaticae 137 (2), 219-236 , 2015
5 2015
Identification of Influential Nodes in Social Networks
MG Rossi, FD Malliaros, M Vazirgiannis
2015
Main core retention on graph-of-words for single-document keyword extraction
F Rousseau, M Vazirgiannis
European Conference on Information Retrieval, 382-393 , 2015
120 2015
Degeneracy-based real-time sub-event detection in twitter stream
P Meladianos, G Nikolentzos, F Rousseau, Y Stavrakas, M Vazirgiannis
Proceedings of the international AAAI conference on web and social media 9 … , 2015
114 2015
Toward an integrated framework for automated development and optimization of online advertising campaigns
S Thomaidou, K Liakopoulos, M Vazirgiannis
Intelligent Data Analysis 18 (6), 1199-1227 , 2014
39 2014
Web and Social Graph Mining [Guest editors’ introduction]
P Boldi, S Leonardi, C Mascolo, M Vazirgiannis
IEEE Internet Computing 18 (05), 9-10 , 2014
3 2014
Corecluster: A degeneracy based graph clustering framework
C Giatsidis, F Malliaros, D Thilikos, M Vazirgiannis
Proceedings of the AAAI Conference on Artificial Intelligence 28 (1) , 2014
86 2014
Using temporal IDF for efficient novelty detection in text streams
M Karkali, F Rousseau, A Ntoulas, M Vazirgiannis
arXiv preprint arXiv:1401.1456 , 2014
27 2014
D-cores: measuring collaboration of directed graphs based on degeneracy
C Giatsidis, DM Thilikos, M Vazirgiannis
Knowledge and information systems 35 (2), 311-343 , 2014
197 2014
Quantifying trust dynamics in signed graphs, the S-Cores approach
C Giatsidis, B Cautis, S Maniu, DM Thilikos, M Vazirgiannis
SIAM/ SDM, 668-674 , 2014
28 2014
Clustering and community detection in directed networks: A survey
FD Malliaros, M Vazirgiannis
Physics reports 533 (4), 95-142 , 2013
953 2013
Exposition minimum de données pour des applications à base de classifieurs.
N Anciaux, B Nguyen, M Vazirgiannis
Ingénierie des Systèmes d Inf. 18 (4), 59-85 , 2013
1 2013
Automated snippet generation for online advertising
S Thomaidou, I Lourentzou, P Katsivelis-Perakis, M Vazirgiannis
Proceedings of the 22nd ACM international conference on Information … , 2013
44 2013
To stay or not to stay: modeling engagement dynamics in social graphs
FD Malliaros, M Vazirgiannis
Proceedings of the 22nd ACM international conference on Information … , 2013
99 2013
Graph-of-word and TW-IDF: new approach to ad hoc IR
F Rousseau, M Vazirgiannis
Proceedings of the 22nd ACM international conference on Information … , 2013
209 2013
Evaluating Cooperation in coauthorship graphs with degeneracy
C Giatsidis, M Vazirgiannis, DM Thilikos
BDA: Bases de Données Avancées , 2013
2013
Efficient online novelty detection in news streams
M Karkali, F Rousseau, A Ntoulas, M Vazirgiannis
International conference on web information systems engineering, 57-71 , 2013
65 2013
Composition of TF normalizations: new insights on scoring functions for ad hoc IR
F Rousseau, M Vazirgiannis
Proceedings of the 36th international ACM SIGIR conference on Research and … , 2013
18 2013
Match the news: A firefox extension for real-time news recommendation
M Karkali, D Pontikis, M Vazirgiannis
Proceedings of the 36th international acm sigir conference on research and … , 2013
26 2013
GrammAds: Keyword and ad creative generator for online advertising campaigns
S Thomaidou, K Leymonis, M Vazirgiannis
Digital Enterprise Design and Management 2013: Proceedings of the First … , 2013
10 2013
Minexp-card: limiting data collection using a smart card
N Anciaux, W Bezza, B Nguyen, M Vazirgiannis
Proceedings of the 16th International Conference on Extending Database … , 2013
7 2013
Advanced graph mining for community evaluation in social networks and the web
C Giatsidis, FD Malliaros, M Vazirgiannis
Proceedings of the sixth ACM international conference on Web search and data … , 2013
15 2013
Search in BigData2-When Big Text meets Big Graph
C Giatsidis, FD Malliaros, F Rousseau, M Vazirgiannis
World Summit on Big Data and Organization Design , 2013
2013
Accurate Spectral Clustering for Community Detection in MapReduce
S Tsironis, M Sozio, M Vazirgiannis
Frontiers of Network Analysis: Methods, Models, and Applications NIPS 2013 … , 2013
45 2013
Ad-mad: Automated development and optimization of online advertising campaigns
S Thomaidou, K Leymonis, K Liakopoulos, M Vazirgiannis
2012 IEEE 12th International Conference on Data Mining Workshops, 902-905 , 2012
7 2012
Uncertainty handling and quality assessment in data mining
M Vazirgiannis, M Halkidi, D Gunopulos
Springer Science & Business Media , 2012
74 2012
Discovering correlation between communities and likes in facebook
N Salamanos, E Voudigari, T Papageorgiou, M Vazirgiannis
2012 IEEE International Conference on Green Computing and Communications … , 2012
17 2012
Cas d’usage d’un principe fondamental de protection de la vie privée
N Anciaux, B Nguyen, M Vazirgiannis
BDA 2012-28e journées Bases de Données Avancées , 2012
2012
Guest Editors’ Introduction: special issue of selected papers from ECML PKDD 2011
D Gunopulos, D Malerba, M Vazirgiannis
Machine learning 89 (1), 1-3 , 2012
2012
S-Suite: a multipart service oriented architecture for the car rental sector
M Karkali, M Vazirgiannis
Proceedings of the Fifth Balkan Conference in Informatics, 263-266 , 2012
1 2012
Visual exploration of collaboration networks based on graph degeneracy
C Giatsidis, K Berberich, DM Thilikos, M Vazirgiannis
Proceedings of the 18th ACM SIGKDD international conference on Knowledge … , 2012
8 2012
Limiting data collection in application forms: A real-case application of a founding privacy principle
N Anciaux, B Nguyen, M Vazirgiannis
2012 Tenth Annual International Conference on Privacy, Security and Trust, 59-66 , 2012
12 2012
The minimum exposure project: limiting data collection in online forms
N Anciaux, B Nguyen, M Vazirgiannis
5 2012
The adomaton prototype: Automated online advertising campaign monitoring and optimization
K Liakopoulos, S Thomaidou, M Vazirgiannis
Eighth Ad Auctions Workshop, 13th ACM Conference on Electronic Commerce , 2012
5 2012
Named entity recognition and identification for finding the owner of a home page
V Plachouras, M Rivière, M Vazirgiannis
Pacific-Asia Conference on Knowledge Discovery and Data Mining, 554-565 , 2012
2 2012
Keeping keywords fresh: a BM25 variation for personalized keyword extraction
M Karkali, V Plachouras, C Stefanatos, M Vazirgiannis
Proceedings of the 2nd Temporal Web Analytics Workshop, 17-24 , 2012
11 2012
Ad-mad: Integrated system for automated development and optimization of online advertising campaigns
S Thomaidou, K Leymonis, K Liakopoulos, M Vazirgiannis
Demo to appear in ICDM 2012 Workshop Proceedings , 2012
2 2012
Evaluating Cooperation in coauthorship graphs with degeneracy
K Berberich, C Giatsidis, DM Thilikos, M Vazirgiannis
KDD 2012:, 1512-1515 , 2012
2012
Proceedings of the ECML PKDD 2011, European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases, 5-9 September 2011, Athens, Greece
D Gunopulos, D Malerba, M Vazirgiannis
Kluwer , 2012
2012
Diffusion of information and phase transition in the Fisher market
N Salamanos, M Vazirgiannis
International Journal of Knowledge and Learning 3 8 (3-4), 259-281 , 2012
1 2012
Miminum exposure in classification scenarios
N Anciaux, B Nguyen, M Vazirgiannis
11 2011
A framework for web Page Rank prediction
E Voudigari, J Pavlopoulos, M Vazirgiannis
International Conference on Engineering Applications of Neural Networks, 240-249 , 2011
1 2011
Machine Learning and Knowledge Discovery in Databases, Part III: European Conference, ECML PKDD 2010, Athens, Greece, September 5-9, 2011, Proceedings, Part III
D Gunopulos, T Hofmann, D Malerba, M Vazirgiannis
Springer , 2011
25 2011
Proceedings of the 2011 European conference on Machine learning and knowledge discovery in databases-Volume Part I
D Gunopulos, T Hofmann, D Malerba, M Vazirgiannis
Springer-Verlag , 2011
2011
Rank prediction in graphs with locally weighted polynomial regression and EM of polynomial mixture models
M Rallis, M Vazirgiannis
2011 International Conference on Advances in Social Networks Analysis and … , 2011
6 2011
Evaluating cooperation in communities with the k-core structure
C Giatsidis, DM Thilikos, M Vazirgiannis
2011 International conference on advances in social networks analysis and … , 2011
168 2011
Multiword keyword recommendation system for online advertising
S Thomaidou, M Vazirgiannis
2011 International Conference on Advances in Social Networks Analysis and … , 2011
51 2011
Predictions in antibiotics resistance and nosocomial infections monitoring
M Gerontini, M Vazirgiannis, AC Vatopoulos, M Polemis
2011 24th International Symposium on Computer-Based Medical Systems (CBMS), 1-6 , 2011
14 2011
Noise reduction in protein-protein interaction graphs by the implementation of a novel weighting scheme
GD Kritikos, C Moschopoulos, M Vazirgiannis, S Kossida
BMC bioinformatics 12 (1), 239 , 2011
24 2011
Data mining in software engineering
M Halkidi, D Spinellis, G Tsatsaronis, M Vazirgiannis
Intelligent Data Analysis 15 (3), 413-441 , 2011
58 2011
Enhancing clustering quality through landmark-based dimensionality reduction
P Magdalinos, C Doulkeridis, M Vazirgiannis
ACM Transactions on Knowledge Discovery from Data (TKDD) 5 (2), 1-44 , 2011
24 2011
Machine Learning and Knowledge Discovery in Databases European Conference, ECML PKDD 2011, Athens, Greece, September 5-9, 2011. Proceedings, Part I
M Vazirgiannis, D Gunopulos, D Malerba, T Hofmann
Springer Verlag , 2011
2011
Limiting Data Collection in Application Forms
N Anciaux, B Nguyen, M Vazirgiannis
Proceedings of the 10th IEEE Annual Conference on Privacy Security and Trust , 2011
1 2011
Archiving the Web sites of Athens University of Economics and Business
V Plachouras, C Kapetis, M Vazirgiannis
Proceedings of the 19th Panhellenic Conference of Academic Libraries, 73-86 , 2010
2 2010
On the selectivity of multidimensional routing indices
C Doulkeridis, A Vlachou, K Nørvåg, Y Kotidis, M Vazirgiannis
Proceedings of the 19th ACM international conference on Information and … , 2010
3 2010
Advertising network formation based on stochastic diffusion search and market equilibria
N Salamanos, S Lopatatzidis, M Vazirgiannis, A Thomas
Proceedings of the 28th ACM International Conference on Design of … , 2010
5 2010
X-SDR: an extensible experimentation suite for dimensionality reduction
P Magdalinos, A Kapernekas, A Mpiratsis, M Vazirgiannis
Joint European Conference on Machine Learning and Knowledge Discovery in … , 2010
1 2010
Ranking the sky: Discovering the importance of skyline points through subspace dominance relationships
A Vlachou, M Vazirgiannis
Data & Knowledge Engineering 69 (9), 943-964 , 2010
72 2010
Quality assessment approaches in data mining
M Halkidi, M Vazirgiannis
Data mining and knowledge discovery handbook, 613-639 , 2010
30 2010
A review of web document clustering approaches
N Oikonomakou, M Vazirgiannis
Data mining and knowledge discovery handbook, 931-948 , 2010
61 2010
Distributed knowledge discovery with non linear dimensionality reduction
P Magdalinos, M Vazirgiannis, D Valsamou
Pacific-Asia Conference on Knowledge Discovery and Data Mining, 14-26 , 2010
4 2010
Efficient search based on content similarity over self-organizing P2P networks
C Doulkeridis, A Vlachou, K Nørvåg, Y Kotidis, M Vazirgiannis
Peer-to-Peer Networking and Applications 3 (1), 67-79 , 2010
32 2010
Text relatedness based on a word thesaurus
G Tsatsaronis, I Varlamis, M Vazirgiannis
Journal of Artificial Intelligence Research 37, 1-39 , 2010
202 2010
Efficient range query processing in metric spaces over highly distributed data
C Doulkeridis, A Vlachou, Y Kotidis, M Vazirgiannis
Distributed and Parallel Databases 26 (2), 155 , 2009
12 2009
Efficient routing of subspace skyline queries over highly distributed data
A Vlachou, C Doulkeridis, Y Kotidis, M Vazirgiannis
IEEE transactions on knowledge and data engineering 22 (12), 1694-1708 , 2009
31 2009
Semantic relatedness hits bibliographic data
G Tsatsaronis, I Varlamis, S Stamou, K Nørvåg, M Vazirgiannis
Proceedings of the eleventh international workshop on Web information and … , 2009
6 2009
Multidimensional routing indices for efficient distributed query processing
C Doulkeridis, A Vlachou, K Nørvåg, Y Kotidis, M Vazirgiannis
Proceedings of the 18th ACM conference on Information and knowledge … , 2009
15 2009
Distributed semantic overlay networks
C Doulkeridis, A Vlachou, K Nørvåg, M Vazirgiannis
Handbook of peer-to-peer networking, 463-494 , 2009
21 2009
Omiotis: A thesaurus-based measure of text relatedness
G Tsatsaronis, I Varlamis, M Vazirgiannis, K Nørvåg
Joint European Conference on Machine Learning and Knowledge Discovery in … , 2009
24 2009
Fedra: A fast and efficient dimensionality reduction algorithm
P Magdalinos, C Doulkeridis, M Vazirgiannis
Proceedings of the 2009 SIAM International Conference on Data Mining, 509-520 , 2009
5 2009
Web page rank prediction with PCA and EM clustering
P Zacharouli, M Titsias, M Vazirgiannis
International Workshop on Algorithms and Models for the Web-Graph, 104-115 , 2009
15 2009
Clustering validity
M Vazirgiannis
Encyclopedia of Database Systems, 388-393 , 2009
11 2009
Npclu: An approach for clustering spatially extended objects
M Halkidi, M Vazirgiannis
Intelligent Data Analysis 12 (6), 587-606 , 2008
11 2008
Peer-to-peer similarity search over widely distributed document collections
C Doulkeridis, K Nørvåg, M Vazirgiannis
Proceedings of the 2008 ACM workshop on Large-Scale distributed systems for … , 2008
29 2008
CASD: Management of a context-aware service directory
C Doulkeridis, M Vazirgiannis
Pervasive and mobile computing 4 (5), 737-754 , 2008
21 2008
Word sense disambiguation with semantic networks
G Tsatsaronis, I Varlamis, M Vazirgiannis
International Conference on Text, Speech and Dialogue, 219-226 , 2008
26 2008
Schema-assisted peer selection for XML querying in unstructured P2P systems
C Doulkeridis, K Nørvåg, M Vazirgiannis
Proceedings of the Seventh ACM International Workshop on Data Engineering … , 2008
2 2008
On efficient top-k query processing in highly distributed environments
A Vlachou, C Doulkeridis, K Nørvåg, M Vazirgiannis
Proceedings of the 2008 ACM SIGMOD international conference on Management of … , 2008
109 2008
Web page rank prediction with Markov models
M Vazirgiannis, D Drosos, P Senellart, A Vlachou
Proceedings of the 17th international conference on World Wide Web, 1075-1076 , 2008
20 2008
A density-based cluster validity approach using multi-representatives
M Halkidi, M Vazirgiannis
Pattern Recognition Letters 29 (6), 773-786 , 2008
157 2008
Skyline-based peer-to-peer top-k query processing
A Vlachou, C Doulkeridis, K Norvag, M Vazirgiannis
2008 IEEE 24th International Conference on Data Engineering, 1421-1423 , 2008
28 2008
A clustering framework based on subjective and objective validity criteria
M Halkidi, D Gunopulos, M Vazirgiannis, N Kumar, C Domeniconi
ACM Transactions on Knowledge Discovery from Data (TKDD) 1 (4), 1-25 , 2008
50 2008
KDD for Decision Making and Optimisation
Y THEODORIDIS, G ANDRIENKO, F GIANNOTTI, M SPILIOPOULOU, …
International journal of business intelligence and data mining (Print) 3 (1) , 2008
2008
Distributed Approximate Principal Components Analysis and K-Means Clustering based on the Stability of Principal Subspaces
D Mavroeidis, P Magdalinos, M Vazirgiannis
2008
of Proceedings: Algorithms and Models for the Web-Graph: Fourth International Workshop, WAW 2006
A Vlachou, M Vazirgiannis, K Berberich
Springer , 2008
2008
Web site personalization based on link analysis and navigational patterns
M Eirinaki, M Vazirgiannis
ACM Transactions on Internet Technology (TOIT) 7 (4), 21-es , 2007
37 2007
Peer-to-peer similarity search in metric spaces
C Doulkeridis, A Vlachou, Y Kotidis, M Vazirgiannis
Proceedings of the 33rd international conference on Very large data bases … , 2007
80 2007
Stacking Heterogeneous Data Resources for addressing the ECML-PKDD 2007 Discovery Challenge
D Mavroeidis, C Brisagotis, D Drosos, M Vazirgiannis
ECML/PKDD’2007 DISCOVERY CHALLENGE, 39 , 2007
2007
Using semi-supervised learning for mining sumerian administrative documents in the kingdom of the iii dynasty of ur
D Mavroeidis, D Diamantis, M Vazirgiannis
ECML/PKDD’2007 DISCOVERY CHALLENGE, 76 , 2007
3 2007
Feature extraction from web traffic data for the application of data mining algorithms in attack identification
K Pachopoulos, D Valsamou, D Mavroeidis, M Vazirgiannis
Proceedings of the ECML/PKDD, 65-70 , 2007
15 2007
Stability based sparse LSI/PCA: Incorporating feature selection in LSI and PCA
D Mavroeidis, M Vazirgiannis
European Conference on Machine Learning, 226-237 , 2007
16 2007
Designing a peer-to-peer architecture for distributed image retrieval
A Vlachou, C Doulkeridis, D Mavroeidis, M Vazirgiannis
International Workshop on Adaptive Multimedia Retrieval, 182-195 , 2007
14 2007
A large scale data mining approach to antibiotic resistance surveillance
EG Giannopoulou, VP Kemerlis, M Polemis, J Papaparaskevas, …
Twentieth IEEE International Symposium on Computer-Based Medical Systems … , 2007
14 2007
Context-based caching and routing for P2P web service discovery
C Doulkeridis, V Zafeiris, K N⊘ rvåg, M Vazirgiannis, EA Giakoumakis
Distributed and Parallel Databases 21 (1), 59-84 , 2007
16 2007
DESENT: Decentralized and distributed semantic overlay generation in P2P networks
C Doulkeridis, K Norvag, M Vazirgiannis
IEEE Journal on Selected Areas in Communications 25 (1), 25-34 , 2007
95 2007
Word sense disambiguation with spreading activation networks generated from thesauri.
G Tsatsaronis, M Vazirgiannis, I Androutsopoulos
IJCAI 27, 223-252 , 2007
128 2007
Comparing Apples and Oranges
K Berberich, S Bedathur, G Weikum, M Vazirgiannis
WWW 2007:, 1145-1146 , 2007
26 2007
Ad-Share: an advertising method in P2P systems based on reputation management
N Salamanos, E Alexogianni, M Vazirgiannis
8th Hellenic-European Conference on Computer Mathematics and its Applications , 2007
3 2007
Link-based ranking of skyline result sets
A Vlachou, M Vazirgiannis
Proceedings of the 3rd Multidisciplinary Workshop on Advances in Preference … , 2007
11 2007
K-landmarks: Distributed dimensionality reduction for clustering quality maintenance
P Magdalinos, C Doulkeridis, M Vazirgiannis
European Conference on Principles of Data Mining and Knowledge Discovery … , 2006
16 2006
Scalable semantic overlay generation for P2P-based digital libraries
C Doulkeridis, K Nørvåg, M Vazirgiannis
International Conference on Theory and Practice of Digital Libraries, 26-38 , 2006
13 2006
Schema caching for improved XML query processing in P2P systems
C Doulkeridis, K Norvag, M Vazirgiannis
Sixth IEEE International Conference on Peer-to-Peer Computing (P2P’06), 73-74 , 2006
13 2006
Towards an integrated technological framework for modelling shared virtual spaces: Languages and domotic applications
I Azkue, A Pina, M Vazirgiannis
International Conference on Articulated Motion and Deformable Objects, 474-483 , 2006
2006
Taxonomy Caching: A Scalable Low-CostMechanism for Indexing Remote Contents in Peer-to-Peer Systems
Norvag, Doulkeridis, Vazirgiannis
2006 ACS/IEEE International Conference on Pervasive Services, 213-221 , 2006
5 2006
The SOWES approach to P2P web search using semantic overlays
C Doulkeridis, K Nørvåg, M Vazirgiannis
Proceedings of the 15th international conference on World Wide Web, 1027-1028 , 2006
13 2006
BuzzRank… and the trend is your friend
K Berberich, S Bedathur, M Vazirgiannis, G Weikum
Proceedings of the 15th international conference on World Wide Web, 937-938 , 2006
24 2006
Peer-to-Peer Clustering for Semantic Overlay Network Generation.
M Vazirgiannis, K Nørvåg, C Doulkeridis
PRIS , 2006
11 2006
A novel effective distributed dimensionality reduction algorithm
P Magdalinos, C Doulkeridis, M Vazirgiannis
Feature Selection for Data Mining: Interfacing Machine Learning and … , 2006
4 2006
Skypeer: Efficient subspace skyline computation over distributed data
A Vlachou, C Doulkeridis, Y Kotidis, M Vazirgiannis
2007 IEEE 23rd International Conference on Data Engineering, 416-425 , 2006
183 2006
A system architecture for context-aware service discovery
C Doulkeridis, N Loutas, M Vazirgiannis
Electronic Notes in Theoretical Computer Science 146 (1), 101-116 , 2006
106 2006
UPR: Usage-based Page Ranking for Web Personalization
M Eirinaki, M Vazirgiannis
Proceedings of the 5th IEEE International Conference on Data Mining (ICDM’05) , 2006
3 2006
Representing and Quantifying Rank – Change for the Web Graph
KB Akrivi Vlachou, Michalis Vazirgiannis
Algorithms and Models for the Web-Graph (WAW) Workshop, pp. 157-165 , 2006
10 2006
Using tri-training and support vector machines for addressing the ecml-pkdd 2006 discovery challenge
D Mavroeidis, K Chaidos, S Pirillos, D Christopoulos, M Vazirgiannis
Proceedings of ECMLPKDD 2006 Discovery Challenge Workshop, 39-47 , 2006
20 2006
A framework for semi-supervised learning based on subjective and objective clustering criteria
M Halkidi, D Gunopulos, N Kumar, M Vazirgiannis, C Domeniconi
Fifth IEEE International Conference on Data Mining (ICDM’05), 4 pp. , 2005
29 2005
Usage-based pagerank for web personalization
M Eirinaki, M Vazirgiannis
Fifth IEEE International Conference on Data Mining (ICDM’05), 8 pp. , 2005
73 2005
Web path recommendations based on page ranking and markov models
M Eirinaki, M Vazirgiannis, D Kapogiannis
Proceedings of the 7th annual ACM international workshop on Web information … , 2005
165 2005
Semantic distances for sets of senses and applications in word sense disambiguation
D Mavroeidis, G Tsatsaronis, M Vazirgiannis
Knowledge Mining: Proceedings of the NEMIS 2004 Final Conference, 93-107 , 2005
6 2005
Introducing semantics in web personalization: The role of ontologies
M Eirinaki, D Mavroeidis, G Tsatsaronis, M Vazirgiannis
European web mining forum, 147-162 , 2005
45 2005
Word sense disambiguation for exploiting hierarchical thesauri in text classification
D Mavroeidis, G Tsatsaronis, M Vazirgiannis, M Theobald, G Weikum
European Conference on Principles of Data Mining and Knowledge Discovery … , 2005
73 2005
The role of caching and context-awareness in P2P service discovery
C Doulkeridis, V Zafeiris, M Vazirgiannis
Proceedings of the 6th international conference on Mobile data management … , 2005
12 2005
Web Path Recommendations based on Page Ranking
M Eirinaki, M Vazirgiannis, D Kapogiannis
WIDM’05: Proceedings of the Seventh ACM International Workshop on Web … , 2005
2005
Time-Aware Authority Ranking
G Weikum, M Vazirgiannis, K Berberich
Internet Mathematics 2 (3) , 2005
2005
Quality assessment in the clustering process
M Halkidi, M Vazirgiannis
The Data Mining and Knowledge Discovery Handbook, 661-666 , 2005
2005
Disambiguation for similarity retrieval in document collections
D Mavroeidis, G Tsatsaronis, M Vazirgiannis
Knowledge Mining” Springer Verlag, Series: Studies in Fuzziness and Soft … , 2005
1 2005
Semantic overlays for P2P web searching
K Nørvåg, C Doulkeridis, M Vazirgiannis
Technical Report, AUEB , 2005
4 2005
Clustering for ontology evolution
G Tsatsaronis, R Pitkanen, M Vazirgiannis
Proceedings of the 29th Annual Conference of the German Classification … , 2005
5 2005
Time-aware authority ranking
K Berberich, M Vazirgiannis, G Weikum
Internet Mathematics 2 (3), 301-332 , 2005
69 2005
Web personalization integrating content semantics and navigational patterns
M Eirinaki, C Lampos, S Paulakis, M Vazirgiannis
Proceedings of the 6th annual ACM international workshop on Web information … , 2004
117 2004
Time-aware and trend-based authority ranking
KL Berberich, IG Weikum, M Vazirgiannis
Pro gradu, Universität des Saarlandes , 2004
4 2004
T-rank: Time-aware authority ranking
K Berberich, M Vazirgiannis, G Weikum
International Workshop on Algorithms and Models for the Web-Graph, 131-142 , 2004
60 2004
Sewep: a web mining system supporting semantic personalization
S Paulakis, C Lampos, M Eirinaki, M Vazirgiannis
European Conference on Principles of Data Mining and Knowledge Discovery … , 2004
11 2004
Querying and updating a context-aware service directory in mobile environments
C Doulkeridis, M Vazirgiannis
IEEE/WIC/ACM International Conference on Web Intelligence (WI’04), 562-565 , 2004
43 2004
Archiving the greek web
C Lampos, M Eirinaki, D Jevtuchova, M Vazirgiannis
4th International Web Archiving Workshop (IWAW04) , 2004
39 2004
Updating a Context-Aware Service Directory for M-services
C Doulkeridis, M Vazirgiannis
Context 10 (11), 14 , 2004
4 2004
THESUS, a closer view on web content management enhanced with link semantics
I Varlamis, M Vazirgiannis, M Halkidi, B Nguyen
IEEE Transactions on Knowledge and Data Engineering 16 (6), 685-700 , 2004
36 2004
A Review of Web Document Clustering approaches
N Oikonomakou, M Vazirgiannis
Text Mining and its Applications: Results of the NEMIS Launch Conference, 65-79 , 2004
5 2004
Algorithms and Models for the Web-Graph: Third International Workshop, WAW 2004, Rome, Italy, October 16, 2004, Proceeedings, chapter T-Rank: Time-Aware Authority Ranking
K Berberich, M Vazirgiannis, G Weikum
Springer Berlin Heidelberg, Berlin, Heidelberg , 2004
1 2004
Distributed virtual reality authoring interfaces for the www: The vr-shop case
I Varlamis, M Vazirgiannis, I Lazaridis, M Papageorgiou, …
Multimedia Tools and Applications 22 (1), 5-30 , 2004
21 2004
Organizing web documents into thematic subsets using an ontology
B Nguyen, M Vazirgiannis, I Varlamis, M Halkidi
VLDB journal 12 (4), 320-332 , 2003
15 2003
THESUS: Organizing Web document collections based on link semantics
M Halkidi, B Nguyen, I Varlamis, M Vazirgiannis
The VLDB Journal 12 (4), 320-332 , 2003
120 2003
Towards a logical model for patterns
S Rizzi, E Bertino, B Catania, M Golfarelli, M Halkidi, M Terrovitis, …
International Conference on Conceptual Modeling, 77-90 , 2003
75 2003
Towards a context-aware service directory
C Doulkeridis, E Valavanis, M Vazirgiannis
International Workshop on Technologies for E-Services, 54-65 , 2003
50 2003
DBGlobe: a service-oriented P2P system for global computing
E Pitoura, S Abiteboul, D Pfoser, G Samaras, M Vazirgiannis
ACM Sigmod Record 32 (3), 77-82 , 2003
83 2003
SEWeP: using site semantics and a taxonomy to enhance the Web personalization process
M Eirinaki, M Vazirgiannis, I Varlamis
Proceedings of the ninth ACM SIGKDD international conference on Knowledge … , 2003
223 2003
Isabelle Mirbel¹, Barbara Pernici²
B Theodoulidis, A Vakaloudis, M Vazirgiannis
Spatio-Temporal Databases: The CHOROCHRONOS Approach 2520, 319 , 2003
2003
Interactive multimedia documents: modeling, authoring, and implementation experiences
M Vazirgiannis
Springer , 2003
21 2003
A manifesto for pattern bases
Y Theodoridis, M Vazirgiannis, P Vassiliadis, B Catania, S Rizzi
PANDA Technical Report TR-2003-03 , 2003
10 2003
A survey on pattern application domains and pattern management approaches
M Vazirgiannis, M Halkidi, G Tsatsaronis, E Vrachnos
PANTA (IST-FET project) Technical Report Series, PANDA-TR-2003-01 , 2003
12 2003
Web mining for web personalization
M Eirinaki, M Vazirgiannis
ACM Transactions on Internet Technology (TOIT) 3 (1), 1-27 , 2003
1465 2003
SEWEP: Using Site Semantics and a Taxonomy to
M Eirinaki, M Vazirgiannis, I Varlamis
KDD…: Proceedings…, 99 , 2003
2003
Chapter 8: Advanced Uses: Composing Interactive Spatio-temporal Documents
I Mirbel, B Pernici, B Theodoulidis, A Vakaloudis, M Vazirgiannis
Spatio-Temporal Databases: The CHOROCHRONOS Approach, 319-344 , 2003
1 2003
Vagirgiannis, M.: Web Document Clustering. NEMIS conference
N Oikonomakou
2 2003
An architecture for sharing, discovering and accessing Mobile data and services: location and mobility issues
C Ververidis, S Valavanis, M Vazirgiannis, GC Polyzos
LOBSTER workshop, Myconos, Greece , 2002
15 2002
Clustering validity checking methods: Part II
M Halkidi, Y Batistakis, M Vazirgiannis
ACM Sigmod Record 31 (3), 19-27 , 2002
728 2002
Thesus: Organising web document collections based on semantics and clustering
M Halkidi, B Nguyen, I Varlamis, M Vazirgiannis
Technical Report , 2002
22 2002
Cluster validity methods: part I
M Halkidi, Y Batistakis, M Vazirgiannis
ACM Sigmod Record 31 (2), 40-45 , 2002
829 2002
Clustering validity assessment using multi representatives
M Halkidi, M Vazirgiannis
Proceedings of the Hellenic Conference on Artificial Intelligence, SETN, 237-249 , 2002
104 2002
Managing uncertainty and quality in the classification process
M Halkidi, M Vazirgiannis
Hellenic Conference on Artificial Intelligence, 273-287 , 2002
8 2002
Clustering validity checking methods
M Halkidi, Y Batistakis, M Vazirgiannis
ACM Sigmod Record 31 (3), 19-27 , 2002
38 2002
On clustering validation techniques
M Halkidi, Y Batistakis, M Vazirgiannis
Journal of intelligent information systems 17 (2), 107-145 , 2001
4038 2001
Clustering validity assessment: Finding the optimal partitioning of a data set
M Halkidi, M Vazirgiannis
Proceedings 2001 IEEE international conference on data mining, 187-194 , 2001
678 2001
Bridging XML-schema and relational databases: a system for generating and manipulating relational databases using valid XML documents
I Varlamis, M Vazirgiannis
Proceedings of the 2001 ACM Symposium on Document engineering, 105-114 , 2001
169 2001
Data mining: Concepts and techniques
M Vazirgiannis, M Halkidi
Tutorial Paper, Proc. ADBIS , 2001
4 2001
A data set oriented approach for clustering algorithm selection
M Halkich, M Vazirgiannis
European Conference on Principles of Data Mining and Knowledge Discovery … , 2001
44 2001
STEDEL: A LANGUAGE FOR INTERACTIVE SPATIOTEMPORAL COMPOSITIONS
I Lazaridis, M Vazirgiannis, T Sellis
IEEE International Conference on Multimedia and Expo, 2001. ICME 2001., 136-136 , 2001
2 2001
Clustering algorithms and validity measures
M Halkidi, Y Batistakis, M Vazirgiannis
Proceedings Thirteenth International Conference on Scientific and … , 2001
254 2001
Web document searching using enhanced hyperlink semantics based on XML
I Varlamis, M Vazirgiannis
Proceedings 2001 International Database Engineering and Applications … , 2001
19 2001
A spatiotemporal model and language for moving objects on road networks
M Vazirgiannis, O Wolfson
International Symposium on Spatial and Temporal Databases, 20-35 , 2001
281 2001
The role of streaming in Interactive Multimedia Documents dissemination
R Pitkanen, M Vazirgiannis, GC Polyzos
IEEE International Conference on Multimedia and Expo, 2001. ICME 2001., 483 … , 2001
1 2001
Ontologies in Web Personalisation (Invited Talk)
M Eirinaki, M Vazirgiannis
Program Chairs and Organizing Committee 1 , 2001
2 2001
An Intelligent System for Archiving and Retrieval of Audiovisual Material Based on the MPEG-7 Description Schemes
G Akrivas, S Iwannou, E Karakoulakis, K Karpouzis, Y Avrithis, …
Technical paper , 2001
3 2001
Evaluating the validity of clustering results based on density criteria and multi-representatives
M Halkidi, M Vazirgiannis
Greece , 2001
2 2001
X-Database: A middleware for collaborative video annotation, storage and retrieval
I Varlamis, M Vazirgiannis, P Poulos, G Akrivas, S Ioannoy
8th Panhellenic Conference in Informatics , 2001
3 2001
Interactive multimedia documents: a modeling, authoring and rendering approach
M Vazirgiannis, D Tsirikos, T Markousis, M Trafalis, Y Stamati, …
Multimedia Tools and Applications 12 (2), 145-188 , 2000
5 2000
Multimedia Database Management Systems. Chapter 8, Component Database Systems, edited by Mario Piattini, Oscar Diaz
M Vazirgiannis, T Sellis
book: Advanced Database Technology and Design-Morgan Kaufmann, San Francisco … , 2000
5 2000
Quality scheme assessment in the clustering process
M Halkidi, M Vazirgiannis, Y Batistakis
European conference on principles of data mining and knowledge discovery … , 2000
513 2000
Structured interactive animation for multimedia documents
D Vodislav, M Vazirgiannis
Proceeding 2000 IEEE International Symposium on Visual Languages, 95-96 , 2000
7 2000
Distributed virtual reality authoring interfaces for the WWW
I Varlamis, M Vazirgiannis, I Lazaridis
2000 IEEE International Conference on Multimedia and Expo. ICME2000 … , 2000
2 2000
Checking the temporal integrity of interactive multimedia documents
I Mirbel, B Pernici, T Sellis, S Tserkezoglou, M Vazirgiannis
The VLDB journal 9 (2), 111-130 , 2000
34 2000
Uncertainty handling in the data mining process with fuzzy logic
M Vazirgiannis, M Halkidi
Ninth IEEE International Conference on Fuzzy Systems. FUZZ-IEEE 2000 (Cat … , 2000
21 2000
Uncertainty handling in spatial relationships
M Vazirgiannis
Proceedings of the 2000 ACM symposium on Applied computing-Volume 1, 494-500 , 2000
40 2000
A foundation for representing and querying moving objects
RH Güting, MH Böhlen, M Erwig, CS Jensen, NA Lorentzos, M Schneider, …
ACM Transactions on Database Systems (TODS) 25 (1), 1-42 , 2000
1215 2000
WWW-enabled delivery of interactive multimedia documents
T Markousis, D Tsirikos, M Vazirgiannis, Y Stavrakas
Computer Communications 23 (3), 242-252 , 2000
13 2000
A Client-Server Design for Interactive Multimedia Documents based on Java
T Markousis, G Mouroulis, D Tsirikos, M Hatzopoulos, M Vazirgiannis
Elsevier-Computer Communications Journal , 2000
1 2000
Incorporating fuzzy set methodologies in a DBMS repository for the application domain of GIS
E Stefanakis, M Vazirgiannis, T Sellis
International Journal of Geographical Information Science 13 (7), 657-675 , 1999
55 1999
Specifying and authoring multimedia scenarios
M Vazirgiannis, I Kostalas, T Sellis
IEEE MultiMedia 6 (3), 24-37 , 1999
42 1999
Spatio-temporal data types: An approach to modeling and querying moving objects in databases
M Erwig, RH Gu¨ ting, M Schneider, M Vazirgiannis
GeoInformatica 3 (3), 269-296 , 1999
678 1999
Temporal integrity constraints in interactive multimedia documents
I Mirbel, B Pernici, M Vazirgiannis
Proceedings IEEE International Conference on Multimedia Computing and … , 1999
14 1999
Spatiotemporal specification & verification of multimedia scenarios
I Kostalas, T Sellis, M Vazirgiannis
Database Semantics: Semantic Issues in Multimedia Systems, 169-188 , 1999
5 1999
Abstract and discrete modeling of spatio-temporal data types
M Erwig, RH Güting, M Schneider, M Vazirgiannis
Proceedings of the 6th ACM international symposium on Advances in geographic … , 1998
158 1998
A client-server design for interactive multimedia documents based on Java
D Tsirikos, T Markousis, Y Mouroulis, M Hatzopoulos, M Vazirgiannis, …
International Workshop on Interactive Distributed Multimedia Systems and … , 1998
1 1998
i-Mu. SE-Interactive Multimedia Scenario Editor
M Vazirgiannis, M Trafalis, I Stamati, M Hatzopoulos
Proceedings International Workshop on Multi-Media Database Management … , 1998
3 1998
Spatio-temporal composition and indexing for large multimedia applications
M Vazirgiannis, Y Theodoridis, T Sellis
Multimedia systems 6 (4), 284-298 , 1998
200 1998
A classification and relationship extraction scheme for relational databases based on fuzzy logic
M Vazirgiannis
Pacific-Asia Conference on Knowledge Discovery and Data Mining, 414-416 , 1998
10 1998
Interactive multimedia scenario: modeling & rendering
M Vazirgiannis, I Stamati, M Trafalis, M Hatzopoulos
Proceedings of the 1998 ACM symposium on Applied Computing, 462-470 , 1998
9 1998
Integrity constraints for interactive multimedia scenarios
I Mirbel, B Pernici, T Sellis, M Vazirgiannis
Submitted for publication , 1998
6 1998
Events in interactive multimedia applications: Modeling and implementation design
M Vazirgiannis, S Boll
Proceedings of IEEE International Conference on Multimedia Computing and … , 1997
48 1997
Spatio-temporal indexing for large multimedia applications
Y Theodoridis, M Vazirgiannis, T Sellis
Proceedings of the Third IEEE International Conference on Multimedia … , 1996
526 1996
Incorporating fuzzy logic methodologies into GIS operations
E Stefanakis, M Vazirgiannis, T Sellis
Int. Conf. on Geographical Information Systems in Urban, Regional and … , 1996
23 1996
Spatio-temporal composition in multimedia applications
M Vazirgiannis, Y Theodoridis, T Sellis
Proceedings International Workshop on Multimedia Software Development, 120-127 , 1996
56 1996
Event and action representation and composition for multimedia application scenario modelling
M Vazirgiannis, T Sellis
European Workshop on Interactive Distributed Multimedia Systems and … , 1996
27 1996
TEXT: THE ILDIC CASE¹
M Vazirgiannis, M Hatzopoulos
Proceedings of the 1996 Engineering Systems Design and Analysis Conference … , 1996
1996
Multimedia Data Base Object and Application Modeling Issues and an Object Oriented Model
M Vazirgiannis
the book” Multimedia Database Systems: Design and Implementation Strategies … , 1996
13 1996
An object-oriented modeling of multimedia database objects and applications
M Vazirgiannis
Multimedia Database Systems: Design and Implementation Strategies, 208-250 , 1996
8 1996
Spatial decision making based on fuzzy set methodologies
E Stefanakis, M Vazirgiannis, T Sellis
International Archives of Photogrammetry and Remote Sensing 31, 829-834 , 1996
7 1996
Integrated multimedia object and application modelling based on events and scenarios
M Vazirgiannis, M Hatzopoulos
Proceedings. International Workshop on Multi-Media Database Management … , 1995
19 1995
Integrated Multimedia Object and Application Modelling Based on Events and
M Vazirgiannis
Proceedings, 48 , 1995
1995
A Script Based Approach for Interactive Multimedia Applications.
M Vazirgiannis, M Hatzopoulos
MMM, 129-143 , 1993
12 1993
An object-oriented framework for knowledge representation based on fuzzy sets
M Vazirgiannis, K Petrou, A Tsobanidis, M Hatzopoulos
Journal of Intelligent & Fuzzy Systems 1 (4), 265-278 , 1993
8 1993
HADT: Hypermedia application development tool for tourist applications
M Hatzopoulos, M Vazirgiannis, I Rizos
European Journal of Information Systems 2 (2), 91-101 , 1993
11 1993
Hypermedia and Knowledge Representation: An Object-Oriented Design Based on Fuzzy Logic.
M Vazirgiannis, K Petrou, A Tsobanidis, M Hatzopoulos
SEKE, 337-342 , 1993
5 1993
An object-oriented model for interactive multimedia presentations
M Vazirgiannis, C Mourlas
The Computer Journal 36 (1), 78-86 , 1993
109 1993
An object-oriented data model for hypermedia systems
M Hatzopoulos, D Gouscos, M Spiliopoulou, C Vassilakis, M Vazirgiannis, …
Proceedings of the DELTA Conference in Research and Development, 483-493 , 1990
6 1990