Giorgos B. Stamou

According to our database, Giorgos B. Stamou authored at least 164 papers between 1998 and 2024.

Collaborative distances:

• Dijkstra number of three.
• Erdős number of four.

2024

A survey on knowledge-enhanced multimodal learning.

Maria Lymperaiou, Giorgos Stamou

Artif. Intell. Rev., October, 2024

Searching for explanations of black-box classifiers in the space of semantic queries.

Jason Liartis, Edmund Dervakos, Orfeas Menis-Mastromichalakis, Alexandros Chortaras, Giorgos Stamou

Semantic Web, 2024

CHORDONOMICON: A Dataset of 666,000 Songs and their Chord Progressions.

Spyridon Kantarelis, Konstantinos Thomas, Vassilis Lyberatos, Edmund Dervakos, Giorgos Stamou

CoRR, 2024

Graph Linearization Methods for Reasoning on Graphs with Large Language Models.

Christos Xypolopoulos, Guokan Shang, Xiao Fei, Giannis Nikolentzos, Hadi Abdine, Iakovos Evdaimon, Michail Chatzianastasis, Giorgos Stamou, Michalis Vazirgiannis

CoRR, 2024

BERTtime Stories: Investigating the Role of Synthetic Story Data in Language pre-training.

Nikitas Theodoropoulos, Giorgos Filandrianos, Vassilis Lyberatos, Maria Lymperaiou, Giorgos Stamou

CoRR, 2024

RISCORE: Enhancing In-Context Riddle Solving in Language Models through Context-Reconstructed Example Augmentation.

Ioannis Panagiotopoulos, Giorgos Filandrianos, Maria Lymperaiou, Giorgos Stamou

CoRR, 2024

GOSt-MT: A Knowledge Graph for Occupation-related Gender Biases in Machine Translation.

Orfeas Menis-Mastromichalakis, Giorgos Filandrianos, Eva Tsouparopoulou, Dimitris Parsanoglou, Maria Symeonaki, Giorgos Stamou

CoRR, 2024

MusicLIME: Explainable Multimodal Music Understanding.

Theodoros Sotirou, Vassilis Lyberatos, Orfeas Menis-Mastromichalakis, Giorgos Stamou

CoRR, 2024

Enhancing adversarial robustness in Natural Language Inference using explanations.

Alexandros Koulakos, Maria Lymperaiou, Giorgos Filandrianos, Giorgos Stamou

CoRR, 2024

Prompt2Fashion: An automatically generated fashion dataset.

Georgia Argyrou, Angeliki Dimitriou, Maria Lymperaiou, Giorgos Filandrianos, Giorgos Stamou

CoRR, 2024

ARPA: A Novel Hybrid Model for Advancing Visual Word Disambiguation Using Large Language Models and Transformers.

Aristi Papastavrou, Maria Lymperaiou, Giorgos Stamou

CoRR, 2024

Optimal and efficient text counterfactuals using Graph Neural Networks.

Dimitris Lymperopoulos, Maria Lymperaiou, Giorgos Filandrianos, Giorgos Stamou

CoRR, 2024

Automatic Generation of Fashion Images using Prompting in Generative Machine Learning Models.

Georgia Argyrou, Angeliki Dimitriou, Maria Lymperaiou, Giorgos Filandrianos, Giorgos Stamou

CoRR, 2024

Beyond One-Size-Fits-All: Adapting Counterfactual Explanations to User Objectives.

Orfeas Menis-Mastromichalakis, Jason Liartis, Giorgos Stamou

CoRR, 2024

Masked Generative Story Transformer with Character Guidance and Caption Augmentation.

Christos H. Papadimitriou, Giorgos Filandrianos, Maria Lymperaiou, Giorgos Stamou

CoRR, 2024

Graph Edits for Counterfactual Explanations: A Unified GNN Approach.

Nikolaos Chaidos, Angeliki Dimitriou, Maria Lymperaiou, Giorgos Stamou

CoRR, 2024

Graph Edits for Counterfactual Explanations: A Comparative Study.

Angeliki Dimitriou, Nikolaos Chaidos, Maria Lymperaiou, Giorgos Stamou

Proceedings of the Explainable Artificial Intelligence, 2024

AILS-NTUA at SemEval-2024 Task 9: Cracking Brain Teasers: Transformer Models for Lateral Thinking Puzzles.

Ioannis Panagiotopoulos, George Filandrianos, Maria Lymperaiou, Giorgos Stamou

Proceedings of the 18th International Workshop on Semantic Evaluation, 2024

AILS-NTUA at SemEval-2024 Task 6: Efficient model tuning for hallucination detection and analysis.

Natalia Grigoriadou, Maria Lymperaiou, George Filandrianos, Giorgos Stamou

Proceedings of the 18th International Workshop on Semantic Evaluation, 2024

Structure Your Data: Towards Semantic Graph Counterfactuals.

Angeliki Dimitriou, Maria Lymperaiou, Giorgos Filandrianos, Konstantinos Thomas, Giorgos Stamou

Proceedings of the Forty-first International Conference on Machine Learning, 2024

Perceptual Musical Features for Interpretable Audio Tagging.

Vassilis Lyberatos, Spyridon Kantarelis, Edmund Dervakos, Giorgos Stamou

Proceedings of the IEEE International Conference on Acoustics, 2024

"I Never Said That": A dataset, taxonomy and baselines on response clarity classification.

Konstantinos Thomas, Giorgos Filandrianos, Maria Lymperaiou, Chrysoula Zerva, Giorgos Stamou

Proceedings of the Findings of the Association for Computational Linguistics: EMNLP 2024, 2024

Puzzle Solving using Reasoning of Large Language Models: A Survey.

Panagiotis Giadikiaroglou, Maria Lymperaiou, Giorgos Filandrianos, Giorgos Stamou

Proceedings of the 2024 Conference on Empirical Methods in Natural Language Processing, 2024

GreekBART: The First Pretrained Greek Sequence-to-Sequence Model.

Iakovos Evdaimon, Hadi Abdine, Christos Xypolopoulos, Stamatis Outsios, Michalis Vazirgiannis, Giorgos Stamou

Proceedings of the 2024 Joint International Conference on Computational Linguistics, 2024

Semantic Prototypes: Enhancing Transparency without Black Boxes.

Orfeas Menis-Mastromichalakis, Giorgos Filandrianos, Jason Liartis, Edmund Dervakos, Giorgos Stamou

Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, 2024

Combining Automatic Annotation with Human Validation for the Semantic Enrichment of Cultural Heritage Metadata.

Eirini Kaldeli, Alexandros Chortaras, Vassilis Lyberatos, Jason Liartis, Spyridon Kantarelis, Giorgos Stamou

Proceedings of the Computational Humanities Research Conference 2024, 2024

Rule-Based Explanations of Machine Learning Classifiers Using Knowledge Graphs.

Orfeas Menis-Mastromichalakis, Edmund Dervakos, Alexandros Chortaras, Giorgos Stamou

Proceedings of the AAAI 2024 Spring Symposium Series, 2024

2023

Genre Recognition from Symbolic Music with CNNs: Performance and Explainability.

Edmund Dervakos, Natalia Kotsani, Giorgos Stamou

SN Comput. Sci., March, 2023

Functional harmony ontology: Musical harmony analysis with Description Logics.

Spyridon Kantarelis, Edmund Dervakos, Natalia Kotsani, Giorgos Stamou

J. Web Semant., 2023

Machine Learning and Knowledge Graphs: Existing Gaps and Future Research Challenges.

Claudia d'Amato, Louis Mahon, Pierre Monnin, Giorgos Stamou

TGDK, 2023

Connected Components and Disjunctive Existential Rules.

Enrique Matos Alfonso, Giorgos Stamou

CoRR, 2023

The smarty4covid dataset and knowledge base: a framework enabling interpretable analysis of audio signals.

Konstantia Zarkogianni, Edmund Dervakos, George Filandrianos, Theofanis Ganitidis, Vasiliki Gkatzou, Aikaterini Sakagianni, Raghu Raghavendra, C. L. Max Nikias, Giorgos Stamou, Konstantina S. Nikita

CoRR, 2023

Employing Crowdsourcing for Enriching a Music Knowledge Base in Higher Education.

Vassilis Lyberatos, Spyridon Kantarelis, Eirini Kaldeli, Spyros Bekiaris, Panagiotis Tzortzis, Orfeas Menis-Mastromichalakis, Giorgos Stamou

CoRR, 2023

An Impartial Transformer for Story Visualization.

Nikolaos Tsakas, Maria Lymperaiou, Giorgos Filandrianos, Giorgos Stamou

CoRR, 2023

Language Models as Knowledge Bases for Visual Word Sense Disambiguation.

Anastasia Kritharoula, Maria Lymperaiou, Giorgos Stamou

Proceedings of the Joint proceedings of the 1st workshop on Knowledge Base Construction from Pre-Trained Language Models (KBC-LM) and the 2nd challenge on Language Models for Knowledge Base Construction (LM-KBC) co-located with the 22nd International Semantic Web Conference (ISWC 2023), 2023

Choose your Data Wisely: A Framework for Semantic Counterfactuals.

Edmund Dervakos, Konstantinos Thomas, Giorgos Filandrianos, Giorgos Stamou

Proceedings of the Thirty-Second International Joint Conference on Artificial Intelligence, 2023

Large Language Models and Multimodal Retrieval for Visual Word Sense Disambiguation.

Anastasia Kritharoula, Maria Lymperaiou, Giorgos Stamou

Proceedings of the 2023 Conference on Empirical Methods in Natural Language Processing, 2023

The Music Part Ontology (Extended Abstract).

Spyridon Kantarelis, Edmund Dervakos, Giorgos Stamou

Proceedings of the 36th International Workshop on Description Logics (DL 2023) co-located with the 20th International Conference on Principles of Knowledge Representation and Reasoning and the 21st International Workshop on Non-Monotonic Reasoning (KR 2023 and NMR 2023)., 2023

Counterfactuals of Counterfactuals: a back-translation-inspired approach to analyse counterfactual editors.

George Filandrianos, Edmund Dervakos, Orfeas Menis-Mastromichalakis, Chrysoula Zerva, Giorgos Stamou

Proceedings of the Findings of the Association for Computational Linguistics: ACL 2023, 2023

Knowledge-Based Counterfactual Queries for Visual Question Answering.

Theodoti Stoikou, Maria Lymperaiou, Giorgos Stamou

Proceedings of the AAAI 2023 Spring Symposium on Challenges Requiring the Combination of Machine Learning and Knowledge Engineering (AAAI-MAKE 2023), 2023

Fine-Grained ImageNet Classification in the Wild.

Maria Lymperaiou, Konstantinos Thomas, Giorgos Stamou

Proceedings of the AAAI 2023 Spring Symposium on Challenges Requiring the Combination of Machine Learning and Knowledge Engineering (AAAI-MAKE 2023), 2023

The Contribution of Knowledge in Visiolinguistic Learning: A Survey on Tasks and Challenges.

Maria Lymperaiou, Giorgos Stamou

Proceedings of the AAAI 2023 Spring Symposium on Challenges Requiring the Combination of Machine Learning and Knowledge Engineering (AAAI-MAKE 2023), 2023

Counterfactual Edits for Generative Evaluation.

Maria Lymperaiou, Giorgos Filandrianos, Konstantinos Thomas, Giorgos Stamou

Proceedings of the AAAI 2023 Spring Symposium on Challenges Requiring the Combination of Machine Learning and Knowledge Engineering (AAAI-MAKE 2023), 2023

2022

Multi-Modal Song Mood Detection with Deep Learning.

Konstantinos Pyrovolakis, Paraskevi K. Tzouveli, Giorgos Stamou

Sensors, 2022

Computing Rule-Based Explanations of Machine Learning Classifiers using Knowledge Graphs.

Edmund Dervakos, Orfeas Menis-Mastromichalakis, Alexandros Chortaras, Giorgos Stamou

CoRR, 2022

Towards a Deep Learning Fractional Woody Vegetation Cover Monitoring Framework.

Elias Symeonakis, Antonis Korkofigkas, Thomas P. Higginbottom, James Boyd, Eva Arnau-Rosalén, Giorgos Stamou, Konstantinos Karantzalos

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2022

Towards Explainable Evaluation of Language Models on the Semantic Similarity of Visual Concepts.

Maria Lymperaiou, George Manoliadis, Orfeas Menis-Mastromichalakis, Edmund G. Dervakos, Giorgos Stamou

Proceedings of the 29th International Conference on Computational Linguistics, 2022

Conceptual Edits as Counterfactual Explanations.

Giorgos Filandrianos, Konstantinos Thomas, Edmund Dervakos, Giorgos Stamou

Proceedings of the AAAI 2022 Spring Symposium on Machine Learning and Knowledge Engineering for Hybrid Intelligence (AAAI-MAKE 2022), 2022

2021

UCQ-Rewritings for disjunctive knowledge and queries with negated atoms.

Enrique Matos Alfonso, Alexandros Chortaras, Giorgos Stamou

Semantic Web, 2021

Semantic enrichment of documents: a classification perspective for ontology-based imbalanced semantic descriptions.

Georgios Stratogiannis, Panagiotis Kouris, Georgios Alexandridis, Georgios Siolas, Giorgos Stamou, Andreas Stafylopatis

Knowl. Inf. Syst., 2021

CrowdHeritage: Crowdsourcing for Improving the Quality of Cultural Heritage Metadata.

Eirini Kaldeli, Orfeas Menis-Mastromichalakis, Spyros Bekiaris, Maria Ralli, Vassilis Tzouvaras, Giorgos Stamou

Inf., 2021

Class-Wise Principal Component Analysis for hyperspectral image feature extraction.

Dimitra Koumoutsou, Eleni Charou, Georgios Siolas, Giorgos Stamou

CoRR, 2021

Semantic Queries Explaining Opaque Machine Learning Classifiers.

Jason Liartis, Edmund Dervakos, Orfeas Menis-Mastromichalakis, Alexandros Chortaras, Giorgos Stamou

Proceedings of the Workshop on Data meets Applied Ontologies in Explainable AI (DAO-XAI 2021) part of Bratislava Knowledge September (BAKS 2021), 2021

Genre Recognition from Symbolic Music with CNNs.

Edmund Dervakos, Natalia Kotsani, Giorgos Stamou

Proceedings of the Artificial Intelligence in Music, Sound, Art and Design, 2021

Musical Harmony Analysis with Description Logics.

Spyridon Kantarelis, Edmund Dervakos, Natalia Kotsani, Giorgos Stamou

Proceedings of the 34th International Workshop on Description Logics (DL 2021) part of Bratislava Knowledge September (BAKS 2021), 2021

Semantic Enrichment of Pretrained Embedding Output for Unsupervised IR.

Edmund Dervakos, Giorgos Filandrianos, Konstantinos Thomas, Alexios Mandalios, Chrysoula Zerva, Giorgos Stamou

Proceedings of the AAAI 2021 Spring Symposium on Combining Machine Learning and Knowledge Engineering (AAAI-MAKE 2021), 2021

2020

Resolution-based rewriting for Horn-<i>SHIQ</i> ontologies.

Despoina Trivela, Giorgos Stoilos, Alexandros Chortaras, Giorgos Stamou

Knowl. Inf. Syst., 2020

CrowdHeritage: Improving the quality of Cultural Heritage through crowdsourcing methods.

Maria Ralli, Spyros Bekiaris, Eirini Kaldeli, Orfeas Menis-Mastromichalakis, Natasa Sofou, Vassilis Tzouvaras, Giorgos Stamou

Proceedings of the 15th International Workshop on Semantic and Social Media Adaptation and Personalization, 2020

Brainwaves-driven Effects Automation in Musical Performance.

Giorgos Filandrianos, Natalia Kotsani, Edmund G. Dervakos, Giorgos Stamou, Vaios Amprazis, Panagiotis Kiourtzoglou

Proceedings of the 20th International Conference on New Interfaces for Musical Expression, 2020

Deep Ensemble Art Style Recognition.

Orfeas Menis-Mastromichalakis, Natasa Sofou, Giorgos Stamou

Proceedings of the 2020 International Joint Conference on Neural Networks, 2020

Heuristics for Evaluation of AI Generated Music.

Edmund Dervakos, Giorgos Filandrianos, Giorgos Stamou

Proceedings of the 25th International Conference on Pattern Recognition, 2020

Enriching Graph Representations of Text: Application to Medical Text Classification.

Alexios Mandalios, Alexandros Chortaras, Giorgos Stamou, Michalis Vazirgiannis

Proceedings of the Complex Networks & Their Applications IX, 2020

2019

CultureLabs: Cultural Heritage and Digital Technology at the Service of Social Innovation.

Eirini Kaldeli, Gianna Tsakou, Danilo Giglitto, Francesca Cesaroni, Vassilis Tzouvaras, Giorgos Stamou

Proceedings of the Workshop on Cultural Informatics co-located with the 14th International Workshop On Semantic And Social Media Adaptation And Personalization, 2019

Inside the Query Space of DL Knowledge Bases.

Alexandros Chortaras, Michalis Giazitzoglou, Giorgos Stamou

Proceedings of the 32nd International Workshop on Description Logics, 2019

2018

GEEK: Incremental Graph-based Entity Disambiguation.

Alexios Mandalios, Konstantinos Tzamaloukas, Alexandros Chortaras, Giorgos Stamou

Proceedings of the Workshop on Linked Data on the Web co-located with The Web Conference 2018, 2018

D2RML: Integrating Heterogeneous Data and Web Services into Custom RDF Graphs.

Alexandros Chortaras, Giorgos Stamou

Proceedings of the Workshop on Linked Data on the Web co-located with The Web Conference 2018, 2018

WITH: Human-Computer Collaboration for Data Annotation and Enrichment.

Alexandros Chortaras, Anna Christaki, Nasos Drosopoulos, Eirini Kaldeli, Maria Ralli, Anastasia Sofou, Arne Stabenau, Giorgos Stamou, Vassilis Tzouvaras

Proceedings of the Companion of the The Web Conference 2018 on The Web Conference 2018, 2018

Mapping Diverse Data to RDF in Practice.

Alexandros Chortaras, Giorgos Stamou

Proceedings of the Semantic Web - ISWC 2018, 2018

On Horn Conjunctive Queries.

Enrique Matos Alfonso, Giorgos Stamou

Proceedings of the Rules and Reasoning - Second International Joint Conference, 2018

Improving Fuel Economy with LSTM Networks and Reinforcement Learning.

Andreas Bougiouklis, Antonis Korkofigkas, Giorgos Stamou

Proceedings of the Artificial Neural Networks and Machine Learning - ICANN 2018, 2018

2017

Query Rewriting Under Ontology Change.

Eleni Tsalapati, Giorgos Stoilos, Alexandros Chortaras, Giorgos Stamou, George Koletsos

Comput. J., 2017

Ontological Query Answering over Semantic Data.

Giorgos B. Stamou, Alexandros Chortaras

Proceedings of the Reasoning Web. Semantic Interoperability on the Web, 2017

Rewriting Queries with Negated Atoms.

Enrique Matos Alfonso, Giorgos Stamou

Proceedings of the Rules and Reasoning - International Joint Conference, 2017

Enriching and Publishing Cultural Heritage as Linked Open Data.

Nikolaos Simou, Alexandros Chortaras, Giorgos Stamou, Stefanos D. Kollias

Proceedings of the Mixed Reality and Gamification for Cultural Heritage, 2017

2016

Reformulating Ontological Queries Using Materialised Rewritings.

Alexandros Chortaras, Bernardo Cuenca Grau, Giorgos B. Stamou, Giorgos Stoilos

Proceedings of the 6th International Conference on Web Intelligence, Mining and Semantics, 2016

A Semantic Approach to Film Content Analysis and Retrieval.

Alexandros Chortaras, Stefanos D. Kollias, Kostas Rapantzikos, Giorgos Stamou

Proceedings of the 9th Hellenic Conference on Artificial Intelligence, 2016

Efficient Query Answering over Expressive Inconsistent Description Logics.

Eleni Tsalapati, Giorgos Stoilos, Giorgos B. Stamou, George Koletsos

Proceedings of the Twenty-Fifth International Joint Conference on Artificial Intelligence, 2016

2015

Optimising resolution-based rewriting algorithms for OWL ontologies.

Despoina Trivela, Giorgos Stoilos, Alexandros Chortaras, Giorgos B. Stamou

J. Web Semant., 2015

A Fuzzy Extension to the OWL 2 RL Ontology Language.

Giorgos Stoilos, Tassos Venetis, Giorgos Stamou

Comput. J., 2015

A semantically-aided architecture for a web-based monitoring system for carotid atherosclerosis.

Vasileios D. Kolias, Giorgos Stamou, Spyretta Golemati, Giannis Stoitsis, Christos D. Gkekas, Christos D. Liapis, Konstantina S. Nikita

Proceedings of the 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2015

Query Rewriting in Horn-SHIQ.

Despoina Trivela, Giorgos Stoilos, Alexandros Chortaras, Giorgos B. Stamou

Proceedings of the 28th International Workshop on Description Logics, 2015

Lower and Upper Bounds for SPARQL Queries over OWL Ontologies.

Birte Glimm, Yevgeny Kazakov, Ilianna Kollia, Giorgos B. Stamou

Proceedings of the Twenty-Ninth AAAI Conference on Artificial Intelligence, 2015

2014

Query rewriting under query refinements.

Tassos Venetis, Giorgos Stoilos, Giorgos B. Stamou

Knowl. Based Syst., 2014

Reasoning with fuzzy extensions of OWL and OWL 2.

Giorgos Stoilos, Giorgos B. Stamou

Knowl. Inf. Syst., 2014

Query Extensions and Incremental Query Rewriting for OWL 2 QL Ontologies.

Tassos Venetis, Giorgos Stoilos, Giorgos B. Stamou

J. Data Semant., 2014

OWL Query Answering Based on Query Extension.

Birte Glimm, Yevgeny Kazakov, Ilianna Kollia, Giorgos B. Stamou

Proceedings of the 11th International Workshop on OWL: Experiences and Directions (OWLED 2014) co-located with 13th International Semantic Web Conference on (ISWC 2014), 2014

Hybrid Query Answering Over OWL Ontologies.

Giorgos Stoilos, Giorgos B. Stamou

Proceedings of the ECAI 2014 - 21st European Conference on Artificial Intelligence, 18-22 August 2014, Prague, Czech Republic, 2014

Hybrid Query Answering Over DL Ontologies.

Giorgos Stoilos, Giorgos B. Stamou

Proceedings of the Informal Proceedings of the 27th International Workshop on Description Logics, 2014

2013

Storing and Querying Fuzzy Knowledge in the Semantic Web Using FiRE.

Nikos Simou, Giorgos Stoilos, Giorgos B. Stamou

Proceedings of the Uncertainty Reasoning for the Semantic Web II, 2013

Query Rewriting Under Ontology Evolution.

Eleni Tsalapati, Giorgos Stoilos, Giorgos B. Stamou, George Koletsos

Proceedings of the Informal Proceedings of the 26th International Workshop on Description Logics, Ulm, Germany, July 23, 2013

Optimising Resolution-Based Rewriting Algorithms for DL Ontologies.

Despoina Trivela, Giorgos Stoilos, Alexandros Chortaras, Giorgos B. Stamou

Proceedings of the Informal Proceedings of the 26th International Workshop on Description Logics, Ulm, Germany, July 23, 2013

Using the TBox to Optimise SPARQL Queries.

Birte Glimm, Yevgeny Kazakov, Ilianna Kollia, Giorgos B. Stamou

Proceedings of the Informal Proceedings of the 26th International Workshop on Description Logics, Ulm, Germany, July 23, 2013

2012

A systemic approach for effective semantic access to cultural content.

Ilianna Kollia, Vassilis Tzouvaras, Nasos Drosopoulos, Giorgos B. Stamou

Semantic Web, 2012

Tractable reasoning with vague knowledge using fuzzy <i>EL⁺⁺</i>.

Theofilos P. Mailis, Giorgos Stoilos, Nikos Simou, Giorgos B. Stamou, Stefanos D. Kollias

J. Intell. Inf. Syst., 2012

Semantic Query Answering in Digital Libraries.

Ilianna Kollia, Kostas Rapantzikos, Giorgos B. Stamou, Andreas Stafylopatis

Proceedings of the Artificial Intelligence: Theories and Applications, 2012

Query Rewriting under Ontology Contraction.

Eleni Tsalapati, Giorgos Stoilos, Giorgos B. Stamou, George Koletsos

Proceedings of the Web Reasoning and Rule Systems - 6th International Conference, 2012

Incremental Query Rewriting for OWL 2 QL.

Tassos Venetis, Giorgos Stoilos, Giorgos B. Stamou

Proceedings of the 2012 International Workshop on Description Logics, 2012

2011

Goal-oriented Query Rewriting for OWL 2 QL.

Alexandros Chortaras, Despoina Trivela, Giorgos B. Stamou

Proceedings of the 24th International Workshop on Description Logics (DL 2011), 2011

Optimized Query Rewriting for OWL 2 QL.

Alexandros Chortaras, Despoina Trivela, Giorgos B. Stamou

Proceedings of the Automated Deduction - CADE-23 - 23rd International Conference on Automated Deduction, Wroclaw, Poland, July 31, 2011

Semantic Representation of Multimedia Content.

Kalliopi Dalakleidi, Stamatia Dasiopoulou, Giorgos Stoilos, Vassilis Tzouvaras, Giorgos B. Stamou, Yiannis Kompatsiaris

Proceedings of the Knowledge-Driven Multimedia Information Extraction and Ontology Evolution, 2011

2010

Expressive reasoning with horn rules and fuzzy description logics.

Theofilos P. Mailis, Giorgos Stoilos, Giorgos B. Stamou

Knowl. Inf. Syst., 2010

Fuzzy extensions of OWL: Logical properties and reduction to fuzzy description logics.

Giorgos Stoilos, Giorgos B. Stamou, Jeff Z. Pan

Int. J. Approx. Reason., 2010

Optimization Techniques for Fuzzy Description Logics.

Nikos Simou, Theofilos P. Mailis, Giorgos Stoilos, Giorgos B. Stamou

Proceedings of the 23rd International Workshop on Description Logics (DL 2010), 2010

2009

Definition and Adaptation of Weighted Fuzzy Logic Programs.

Alexandros Chortaras, Giorgos B. Stamou, Andreas Stafylopatis

Int. J. Uncertain. Fuzziness Knowl. Based Syst., 2009

Semantic Classification of Byzantine Icons.

Paraskevi K. Tzouveli, Nikos Simou, Giorgos B. Stamou, Stefanos D. Kollias

IEEE Intell. Syst., 2009

Connectionist Models for Formal Knowledge Adaptation.

Ilianna Kollia, Nikos Simou, Giorgos B. Stamou, Andreas Stafylopatis

Proceedings of the Artificial Neural Networks, 2009

A Method for Approximation to Ontology Reuse Problem.

Eleni Tsalapati, Giorgos B. Stamou, Giorgos Koletsos

Proceedings of the KEOD 2009 - Proceedings of the International Conference on Knowledge Engineering and Ontology Development, Funchal, 2009

A Framework for Reasoning with Expressive Continuous Fuzzy Description Logics.

Giorgos Stoilos, Giorgos B. Stamou

Proceedings of the 22nd International Workshop on Description Logics (DL 2009), 2009

Scalable Reasoning with Tractable Fuzzy Ontology Languages.

Giorgos Stoilos, Jeff Z. Pan, Giorgos Stamou

Proceedings of the Scalable Fuzzy Algorithms for Data Management and Analysis, 2009

2008

Multimedia Semantics.

Giorgos B. Stamou, Stefanos D. Kollias

Proceedings of the Encyclopedia of Multimedia, 2nd Ed., 2008

Connectionist weighted fuzzy logic programs.

Alexandros Chortaras, Giorgos B. Stamou, Andreas Stafylopatis

Neurocomputing, 2008

Scalable querying services over fuzzy ontologies.

Jeff Z. Pan, Giorgos B. Stamou, Giorgos Stoilos, Stuart Taylor, Edward Thomas

Proceedings of the 17th International Conference on World Wide Web, 2008

Reasoning with the Fuzzy Description Logic f-: Theory, Practice and Applications.

Giorgos Stoilos, Giorgos B. Stamou, Jeff Z. Pan, Nikos Simou, Vassilis Tzouvaras

Proceedings of the Uncertainty Reasoning for the Semantic Web I, 2008

Storing and Querying Fuzzy Knowledge in the Semantic Web.

Nikos Simou, Giorgos Stoilos, Vassilis Tzouvaras, Giorgos B. Stamou, Stefanos D. Kollias

Proceedings of the Fourth International Workshop on Uncertainty Reasoning for the Semantic Web, 2008

Tractable Reasoning Based on the Fuzzy EL++ Algorithm.

Theofilos P. Mailis, Giorgos Stoilos, Nikos Simou, Giorgos B. Stamou

Proceedings of the Fourth International Workshop on Uncertainty Reasoning for the Semantic Web, 2008

Resolution of Conflicts Among Ontology Mappings: a Fuzzy Approach.

Alfio Ferrara, Davide Lorusso, Giorgos B. Stamou, Giorgos Stoilos, Vassilis Tzouvaras, Tassos Venetis

Proceedings of the 3rd International Workshop on Ontology Matching (OM-2008) Collocated with the 7th International Semantic Web Conference (ISWC-2008), 2008

Semantic Adaptation of Neural Network Classifiers in Image Segmentation.

Nikos Simou, Thanos Athanasiadis, Stefanos D. Kollias, Giorgos B. Stamou, Andreas Stafylopatis

Proceedings of the Artificial Neural Networks, 2008

Adaptation of Connectionist Weighted Fuzzy Logic Programs with Kripke-Kleene Semantics.

Alexandros Chortaras, Giorgos B. Stamou, Andreas Stafylopatis, Stefanos D. Kollias

Proceedings of the Artificial Neural Networks, 2008

Reasoning with qualified cardinality restrictions in fuzzy Description Logics.

Giorgos Stoilos, Giorgos B. Stamou, Stefanos D. Kollias

Proceedings of the FUZZ-IEEE 2008, 2008

Classifying Fuzzy Subsumption in Fuzzy-EL+.

Giorgos Stoilos, Giorgos B. Stamou, Jeff Z. Pan

Proceedings of the 21st International Workshop on Description Logics (DL2008), 2008

2007

Reasoning with Very Expressive Fuzzy Description Logics.

Giorgos Stoilos, Giorgos B. Stamou, Jeff Z. Pan, Vassilis Tzouvaras, Ian Horrocks

J. Artif. Intell. Res., 2007

Top-Down Computation of the Semantics of Weighted Fuzzy Logic Programs.

Alexandros Chortaras, Giorgos B. Stamou, Andreas Stafylopatis

Proceedings of the Web Reasoning and Rule Systems, First International Conference, 2007

Extending Fuzzy Description Logics for the Semantic Web.

Giorgos Stoilos, Giorgos B. Stamou

Proceedings of the OWLED 2007 Workshop on OWL: Experiences and Directions, 2007

f-DLPs: Extending Description Logic Programs with Fuzzy Sets and Fuzzy Logic.

Tassos Venetis, Giorgos Stoilos, Giorgos B. Stamou, Stefanos D. Kollias

Proceedings of the FUZZ-IEEE 2007, 2007

Integrated Query Answering with Weighted Fuzzy Rules.

Alexandros Chortaras, Giorgos B. Stamou, Andreas Stafylopatis

Proceedings of the Symbolic and Quantitative Approaches to Reasoning with Uncertainty, 2007

Expressive Querying over Fuzzy DL-Lite Ontologies.

Jeff Z. Pan, Giorgos B. Stamou, Giorgos Stoilos, Edward Thomas

Proceedings of the 2007 International Workshop on Description Logics (DL2007), 2007

2006

Multimedia Semantics.

Giorgos B. Stamou, Stefanos D. Kollias

Proceedings of the Encyclopedia of Multimedia, 2006

f-SWRL: A Fuzzy Extension of SWRL.

Jeff Z. Pan, Giorgos Stoilos, Giorgos B. Stamou, Vassilis Tzouvaras, Ian Horrocks

J. Data Semant., 2006

Multimedia Annotations on the Semantic Web.

Giorgos B. Stamou, Jacco van Ossenbruggen, Jeff Z. Pan, Guus Schreiber

IEEE Multim., 2006

Rate of convergence, asymptotically attainable structures and sensitivity in non-homogeneous Markov systems with fuzzy states.

M. A. Symeonaki, Giorgos B. Stamou

Fuzzy Sets Syst., 2006

Uncertainty and the Semantic Web.

Giorgos Stoilos, Nikos Simou, Giorgos B. Stamou, Stefanos D. Kollias

IEEE Intell. Syst., 2006

A Connectionist Model for Weighted Fuzzy Programs.

Alexandros Chortaras, Giorgos B. Stamou, Andreas Stafylopatis, Stefanos D. Kollias

Proceedings of the International Joint Conference on Neural Networks, 2006

Adaptation of Weighted Fuzzy Programs.

Alexandros Chortaras, Giorgos B. Stamou, Andreas Stafylopatis

Proceedings of the Artificial Neural Networks, 2006

General Concept Inclusions inFluzzy Description Logics.

Giorgos Stoilos, Umberto Straccia, Giorgos B. Stamou, Jeff Z. Pan

Proceedings of the ECAI 2006, 17th European Conference on Artificial Intelligence, August 29, 2006

Handling Imprecise Knowledge with Fuzzy Description Logic.

Giorgos Stoilos, Giorgos B. Stamou, Jeff Z. Pan

Proceedings of the 2006 International Workshop on Description Logics (DL2006), Windermere, Lake District, UK, May 30, 2006

Euclidian Roles in Description Logics.

Giorgos Stoilos, Giorgos B. Stamou

Proceedings of the 2006 International Workshop on Description Logics (DL2006), Windermere, Lake District, UK, May 30, 2006

2005

A Fuzzy Extension of SWRL.

Giorgos B. Stamou, Jeff Z. Pan, Vassilis Tzouvaras, Ian Horrocks

Proceedings of the W3C Workshop on Rule Languages for Interoperability, 2005

The Fuzzy Description Logic f-SHIN.

Giorgos Stoilos, Giorgos B. Stamou, Vassilis Tzouvaras, Jeff Z. Pan, Ian Horrocks

Proceedings of the International Semantic Web Conference, 2005

A String Metric for Ontology Alignment.

Giorgos Stoilos, Giorgos B. Stamou, Stefanos D. Kollias

Proceedings of the Semantic Web - ISWC 2005, 4th International Semantic Web Conference, 2005

Uncertainty and RuleML Rulebases: A Preliminary Report.

Giorgos Stoilos, Giorgos B. Stamou, Vassilis Tzouvaras, Jeff Z. Pan

Proceedings of the Rules and Rule Markup Languages for the Semantic Web, 2005

Fuzzy OWL: Uncertainty and the Semantic Web.

Giorgos Stoilos, Giorgos B. Stamou, Vassilis Tzouvaras, Jeff Z. Pan, Ian Horrocks

Proceedings of the OWLED*05 Workshop on OWL: Experiences and Directions, 2005

f-SWRL: A Fuzzy Extension of SWRL.

Jeff Z. Pan, Giorgos B. Stamou, Vassilis Tzouvaras, Ian Horrocks

Proceedings of the Artificial Neural Networks: Formal Models and Their Applications, 2005

Learning Ontology Alignments Using Recursive Neural Networks.

Alexandros Chortaras, Giorgos B. Stamou, Andreas Stafylopatis

Proceedings of the Artificial Neural Networks: Formal Models and Their Applications, 2005

Knowledge-Based Multimedia Content Indexing and Retrieval.

Manolis Wallace, Yannis Avrithis, Giorgos Stamou, Stefanos D. Kollias

Proceedings of the Multimedia Content and the Semantic Web, 2005

A Fuzzy Knowledge-Based System for Multimedia Applications.

Vassilis Tzouvaras, Giorgos Stamou, Stefanos D. Kollias

Proceedings of the Multimedia Content and the Semantic Web, 2005

2004

Semantic association of multimedia document descriptions through fuzzy relational algebra and fuzzy reasoning.

Giorgos Akrivas, Giorgos B. Stamou, Stefanos D. Kollias

IEEE Trans. Syst. Man Cybern. Part A, 2004

Theory of Markov systems with fuzzy states.

M. A. Symeonaki, Giorgos B. Stamou

Fuzzy Sets Syst., 2004

Image Analysis of Soil Micromorphology: Feature Extraction, Segmentation, and Quality Inference.

Petros Maragos, Anastasia Sofou, Giorgos B. Stamou, Vassilis Tzouvaras, Efimia Papatheodorou, George P. Stamou

EURASIP J. Adv. Signal Process., 2004

Semi-automatic Extraction of Semantics from Football Video Sequences.

Vassilis Tzouvaras, Giorgos B. Stamou, Stefanos D. Kollias

Proceedings of the Methods and Applications of Artificial Intelligence, 2004

2003

Unified Access to Heterogeneous Audiovisual Archives.

Yannis Avrithis, Giorgos B. Stamou, Manolis Wallace, Ferran Marqués, Philippe Salembier, Xavier Giró, Werner Haas, Heribert Vallant, Michael Zufferey

J. Univers. Comput. Sci., 2003

The Electronic Road: Personalized Content Browsing.

Manolis Wallace, Kostas Karpouzis, Giorgos B. Stamou, George Moschovitis, Stefanos D. Kollias, Christos N. Schizas

IEEE Multim., 2003

Lattice Fuzzy Signal Operators and Generalized Image Gradients.

Petros Maragos, Vassilis Tzouvaras, Giorgos B. Stamou

Proceedings of the Fuzzy Sets and Systems - IFSA 2003, 10th International Fuzzy Systems Association World Congress, Istanbul, Turkey, June 30, 2003

Adaptive rule-based recognition of events in video sequences.

Vassilis Tzouvaras, Gabriel Tsechpenakis, Giorgos B. Stamou, Stefanos D. Kollias

Proceedings of the 2003 International Conference on Image Processing, 2003

Knowledge Refinement Using Fuzzy Compositional Neural Networks.

Vassilis Tzouvaras, Giorgos B. Stamou, Stefanos D. Kollias

Proceedings of the Artificial Neural Networks and Neural Information Processing, 2003

Automatic thematic categorization of documents using a fuzzy taxonomy and fuzzy hierarchical clustering.

Manolis Wallace, Giorgos Akrivas, Giorgos B. Stamou

Proceedings of the 12th IEEE International Conference on Fuzzy Systems, 2003

2002

Fuzzy Non-Homogeneous Markov Systems.

M. A. Symeonaki, Giorgos B. Stamou, Spyros G. Tzafestas

Appl. Intell., 2002

Intelligent Semantic Access to Audiovisual Content.

Yannis Avrithis, Giorgos B. Stamou, Anastasios Delopoulos, Stefanos D. Kollias

Proceedings of the Methods and Applications of Artificial Intelligence, 2002

Towards a context aware mining of user interests for consumption of multimedia documents.

Manolis Wallace, Giorgos B. Stamou

Proceedings of the 2002 IEEE International Conference on Multimedia and Expo, 2002

Context - Sensitive Query Expansion Based on Fuzzy Clustering of Index Terms.

Giorgos Akrivas, Manolis Wallace, Giorgos B. Stamou, Stefanos D. Kollias

Proceedings of the Flexible Query Answering Systems, 5th International Conference, 2002

2001

Resolution of composite fuzzy relation equations based on Archimedean triangular norms.

Giorgos B. Stamou, Spyros G. Tzafestas

Fuzzy Sets Syst., 2001

Synthesis and applications of lattice image operators based on fuzzy norms.

Petros Maragos, Vassilis Tzouvaras, Giorgos B. Stamou

Proceedings of the 2001 International Conference on Image Processing, 2001

2000

A Lattice Control Model of Fuzzy Dynamical Systems in State-Space.

Petros Maragos, Giorgos B. Stamou, Spyros G. Tzafestas

Proceedings of the 5th International Symposium on Mathematical Morphology and its Applications to Image and Signal Processing, 2000

1999

Fuzzy relation equations and fuzzy inference systems: an inside approach.

Giorgos B. Stamou, Spyros G. Tzafestas

IEEE Trans. Syst. Man Cybern. Part B, 1999

1998

A New Solution Methodology for Fuzzy Relation Equations.

Spyros G. Tzafestas, Giorgos B. Stamou

Proceedings of the Methodology and Tools in Knowledge-Based Systems, 1998