Vasilis Efthymiou

91 papers A* 5A 1B 10Misc 1Journal 34Unranked 28

Year	Rank	Type	Title / Venue / Authors
2026	—	`conf`	A Dataset Generation Method for Bias Evaluation in Retrieval-Augmented Generation. EDBT/ICDT Workshops Yingqi Zhao, Vasilis Efthymiou, Jyrki Nummenmaa, Kostas Stefanidis
2026	J	`jnl`	A High-Level Survey of Optical Remote Sensing. CoRR Panagiotis Koletsis, Vasilis Efthymiou, Maria Vakalopoulou, Nikos Komodakis, Anastasios Doulamis, Georgios Th. Papadopoulos
2026	B	`conf`	DEDALUS: A Quantum-Enhanced End-to-End Framework for Cost-Aware Join Order Optimization with Search Space Pruning. EDBT Emmanouil Limnaios, Markos Stergiopoulos, George T. Stamatiou, Efthymios Papageorgiou, Vasilis Efthymiou, Dimitrios Loupas, Dimitrios Tsourounis, Kostas Blekos, Aggelos Tsikas, Dimitris Plexousakis, Kostas Magoutis, Yannis Tzitzikas, Haridimos Kondylakis
2026	—	`ed.`	Knowledge Graphs - 14th International Joint Conference, IJCKG 2025, Heraklion, Crete, Greece, October 15-17, 2025, Proceedings IJCKG Hideaki Takeda, Yannis Tzitzikas, Giorgos Flouris, Shizhu He, Dimitris Plexousakis, Sébastien Ferré, Ran Yu, Vasilis Efthymiou, Eleni Ilkou, Ernesto Jiménez-Ruiz, Xin Wang
2026	B	`conf`	PG-HIVE: Hybrid Incremental Schema Discovery for Property Graphs. EDBT Sophia Sideri, Georgia Troullinou, Elisjana Ymeralli, Vasilis Efthymiou, Dimitris Plexousakis, Haridimos Kondylakis
2025	J	`jnl`	Auto-Configuring Entity Resolution Pipelines. IEEE Access Konstantinos Nikoletos, Vasilis Efthymiou, George Papadakis, Kostas Stefanidis
2025	J	`jnl`	Auto-Configuring Entity Resolution Pipelines. CoRR Konstantinos Nikoletos, Vasilis Efthymiou, George Papadakis, Kostas Stefanidis
2025	J	`jnl`	Deduplicated Sampling On-Demand. Proc. VLDB Endow. Luca Zecchini, Vasilis Efthymiou, Felix Naumann, Giovanni Simonini
2025	J	`jnl`	Exploring Energy Landscapes for Minimal Counterfactual Explanations: Applications in Cybersecurity and Beyond. CoRR Spyridon Evangelatos, Eleni Veroni, Vasilis Efthymiou, Christos D. Nikolopoulos, Georgios Th. Papadopoulos, Panagiotis G. Sarigiannidis
2025	J	`jnl`	Fairness and Explanations in Entity Resolution: An Overview. IEEE Access Tiago Brasileiro Araújo, Vasilis Efthymiou, Kostas Stefanidis
2025	—	`conf`	HECATE at the Crossroads: Guiding Astrophysics into the Semantic Web. IJCKG Sophia Sideri, Iosif Oikonomakis, Petros Tsirmakos, Giorgos Flouris, Vasilis Efthymiou, Emmanouil Eleftherios Rompogiannakis, Elias Kyritsis, Ioanna Leonidaki, Andreas Zezas
2025	J	`jnl`	Modeling Disinformation Spread in Social Networks: Phase Transitions and Mean-Field Analysis. ACM Trans. Web Spyridon Evangelatos, Eleni Veroni, Vasilis Efthymiou, Christos D. Nikolopoulos
2025	J	`jnl`	PG-HIVE: Hybrid Incremental Schema Discovery for Property Graphs. CoRR Sophia Sideri, Georgia Troullinou, Elisjana Ymeralli, Vasilis Efthymiou, Dimitris Plexousakis, Haridimos Kondylakis
2025	—	`conf`	PG2RDF: Schema-Guided Transformation of Property Graphs to RDF. IJCKG Sophia Sideri, Vasilis Efthymiou, Dimitris Plexousakis, Haridimos Kondylakis
2025	—	`ed.`	Proceedings of the Semantic Web Challenge on Tabular Data to Knowledge Graph Matching co-located with the 23rd International Semantic Web Conference (ISWC 2024), Baltimore, USA, November 13, 2024. SemTab@ISWC Oktie Hassanzadeh, Nora Abdelmageed, Marco Cremaschi, Vincenzo Cutrona, Fabio D'Adda, Vasilis Efthymiou, Benno Kruit, Elita A. Lobo, Nandana Mihindukulasooriya, Nhan H. Pham
2025	J	`jnl`	Property Graph Standards: State of the Art & Open Challenges. Proc. VLDB Endow. Haridimos Kondylakis, Stefania Dumbrava, Matteo Lissandrini, Nikolay Yakovets, Angela Bonifati, Vasilis Efthymiou, George Fletcher, Dimitris Plexousakis, Riccardo Tommasini, Georgia Troullinou, Elisjana Ymeralli
2025	J	`jnl`	RadlER: Deduplicated Sampling On-Demand. Proc. VLDB Endow. Luca Zecchini, Ziawasch Abedjan, Vasilis Efthymiou, Giovanni Simonini
2025	—	`conf`	ReFaRAG: Re-ranking for Bias Mitigation in Retrieval-Augmented Generation. ADBIS (Short Papers) Yingqi Zhao, Vasilis Efthymiou, Jyrki Nummenmaa, Kostas Stefanidis
2025	J	`jnl`	Relationship Detection on Tabular Data Using Statistical Analysis and Large Language Models. CoRR Panagiotis Koletsis, Christos Panagiotopoulos, Georgios Th. Papadopoulos, Vasilis Efthymiou
2025	J	`jnl`	TREATS: Fairness-aware entity resolution over streaming data. Inf. Syst. Tiago Brasileiro Araújo, Vasilis Efthymiou, Vassilis Christophides, Evaggelia Pitoura, Kostas Stefanidis
2024	—	`conf`	2nd International Workshop on Tabular Data Analysis (TaDA). VLDB Workshops Vasilis Efthymiou, Sainyam Galhotra, Oktie Hassanzadeh, Chuan Lei, Kavitha Srinivas
2024	B	`conf`	Entity Extraction from High-Level Corruption Schemes via Large Language Models. IEEE Big Data Panagiotis Koletsis, Panagiotis-Konstantinos Gemos, Christos Chronis, Iraklis Varlamis, Vasilis Efthymiou, Georgios Th. Papadopoulos
2024	J	`jnl`	Entity Extraction from High-Level Corruption Schemes via Large Language Models. CoRR Panagiotis Koletsis, Panagiotis-Konstantinos Gemos, Christos Chronis, Iraklis Varlamis, Vasilis Efthymiou, Georgios Th. Papadopoulos
2024	J	`jnl`	Extraction of object-action and object-state associations from Knowledge Graphs. J. Web Semant. Alexandros Vassiliades, Theodore Patkos, Vasilis Efthymiou, Antonis Bikakis, Nick Bassiliades, Dimitris Plexousakis
2024	J	`jnl`	HybEA: Hybrid Attention Models for Entity Alignment. CoRR Nikolaos Fanourakis, Fatia Lekbour, Vasilis Efthymiou, Guillaume Renton, Vassilis Christophides
2024	—	`conf`	Property Graphs at Scale: A Roadmap and Vision for the Future (Short Paper). CAiSE Workshops Haridimos Kondylakis, Vasilis Efthymiou, Georgia Troullinou, Elisjana Ymeralli, Dimitris Plexousakis
2023	J	`jnl`	An analysis of one-to-one matching algorithms for entity resolution. VLDB J. George Papadakis, Vasilis Efthymiou, Emmanouil Thanos, Oktie Hassanzadeh, Peter Christen
2023	—	`conf`	Automating Benchmark Generation for Named Entity Recognition and Entity Linking. ESWC (Satellite Events) Katerina Papantoniou, Vasilis Efthymiou, Dimitris Plexousakis
2023	—	`conf`	Fair Sequential Group Recommendations in SQUIRREL Movies. VLDB Workshops Eva Chrysostomaki, Maria Stratigi, Vasilis Efthymiou, Kostas Stefanidis, Dimitris Plexousakis
2023	—	`conf`	Fairness-Aware and Explainable Entity Resolution. ISWC (Posters/Demos/Industry) Nikolaos Fanourakis, Christos Kontousias, Vasilis Efthymiou, Vassilis Christophides, Dimitris Plexousakis
2023	J	`jnl`	Front Matter. Proc. VLDB Endow. Georgia Koutrika, Jun Yang, Manos Athanassoulis, Kostas Stefanidis, Ju Fan, Abdul Quamar, Yuanyan Tian, Alekh Jindal, Carsten Binnig, Jennie Rogers, Senjuti Basu Roy, Steven Euijong Whang, Matthias Boehm, Aaron J. Elmore, Vasilis Efthymiou, Xiao Hu, Xiaofang Zhou, Alan D. Fekete
2023	J	`jnl`	HERMES: data placement and schema optimization for enterprise knowledge bases. VLDB J. Chuan Lei, Abdul Quamar, Vasilis Efthymiou, Fatma Özcan, Rana Alotaibi
2023	—	`ed.`	Joint Proceedings of Workshops at the 49th International Conference on Very Large Data Bases (VLDB 2023), Vancouver, Canada, August 28 - September 1, 2023. VLDB Workshops Rajesh Bordawekar, Cinzia Cappiello, Vasilis Efthymiou, Lisa Ehrlinger, Vijay Gadepally, Sainyam Galhotra, Sandra Geisler, Sven Groppe, Le Gruenwald, Alon Y. Halevy, Hazar Harmouch, Oktie Hassanzadeh, Ihab F. Ilyas, Ernesto Jiménez-Ruiz, Sanjay Krishnan, Tirthankar Lahiri, Guoliang Li, Jiaheng Lu, Wolfgang Mauerer, Umar Farooq Minhas, Felix Naumann, M. Tamer Özsu, El Kindi Rezig, Kavitha Srinivas, Michael Stonebraker, Satyanarayana R. Valluri, Maria-Esther Vidal, Haixun Wang, Jiannan Wang, Yingjun Wu, Xun Xue, Mohamed Zaït, Kai Zeng
2023	J	`jnl`	Knowledge graph embedding methods for entity alignment: experimental review. Data Min. Knowl. Discov. Nikolaos Fanourakis, Vasilis Efthymiou, Dimitris Kotzinos, Vassilis Christophides
2023	—	`conf`	Preface TaDA. VLDB Workshops Vasilis Efthymiou, Oktie Hassanzadeh, Ernesto Jiménez-Ruiz, Kavitha Srinivas
2023	—	`ed.`	Proceedings of the Semantic Web Challenge on Tabular Data to Knowledge Graph Matching, SemTab 2022, co-located with the 21st International Semantic Web Conference, ISWC 2022, Virtual conference, October 23-27, 2022. SemTab@ISWC Vasilis Efthymiou, Ernesto Jiménez-Ruiz, Jiaoyan Chen, Vincenzo Cutrona, Oktie Hassanzadeh, Juan Sequeda, Kavitha Srinivas, Nora Abdelmageed, Madelon Hulsebos
2023	—	`ed.`	Proceedings of the Semantic Web Challenge on Tabular Data to Knowledge Graph Matching, SemTab 2023, co-located with the 22nd International Semantic Web Conference, ISWC 2023, Athens, Greece, November 6-10, 2023. SemTab@ISWC Vasilis Efthymiou, Ernesto Jiménez-Ruiz, Jiaoyan Chen, Vincenzo Cutrona, Oktie Hassanzadeh, Juan Sequeda, Kavitha Srinivas, Nora Abdelmageed, Madelon Hulsebos, Aamod Khatiwada, Keti Korini, Benno Kruit
2023	—	`ed.`	Proceedings of the VLDB 2023 PhD Workshop co-located with the 49th International Conference on Very Large Data Bases (VLDB 2023), Vancouver, Canada, August 28, 2023. PhD@VLDB Vasilis Efthymiou, Xiao Hu
2023	—	`conf`	Results of SemTab 2023. SemTab@ISWC Oktie Hassanzadeh, Nora Abdelmageed, Vasilis Efthymiou, Jiaoyan Chen, Vincenzo Cutrona, Madelon Hulsebos, Ernesto Jiménez-Ruiz, Aamod Khatiwada, Keti Korini, Benno Kruit, Juan Sequeda, Kavitha Srinivas
2023	B	`conf`	Self-configured Entity Resolution with pyJedAI. IEEE Big Data Vasilis Efthymiou, Ekaterini Ioannou, Manos Karvounis, Manolis Koubarakis, Jakub Maciejewski, Konstantinos Nikoletos, George Papadakis, Dimitrios Skoutas, Yannis Velegrakis, Alexandros Zeakis
2023	B	`conf`	Structural Bias in Knowledge Graphs for the Entity Alignment Task. ESWC Nikolaos Fanourakis, Vasilis Efthymiou, Vassilis Christophides, Dimitris Kotzinos, Evaggelia Pitoura, Kostas Stefanidis
2023	—	`ed.`	The Semantic Web: ESWC 2023 Satellite Events - Hersonissos, Crete, Greece, May 28 - June 1, 2023, Proceedings ESWC (Satellite Events) Catia Pesquita, Hala Skaf-Molli, Vasilis Efthymiou, Sabrina Kirrane, Axel Ngonga, Diego Collarana, Renato Cerqueira, Mehwish Alam, Cássia Trojahn, Sven Hertling
2022	B	`conf`	Bipartite Graph Matching Algorithms for Clean-Clean Entity Resolution: An Empirical Evaluation. EDBT George Papadakis, Vasilis Efthymiou, Emmanouil Thanos, Oktie Hassanzadeh
2022	—	`conf`	CosmOntology: Creating an Ontology of the Cosmos(short position paper). DL4KG@ISWC Vasilis Efthymiou
2022	J	`jnl`	Knowledge Graph Embedding Methods for Entity Alignment: An Experimental Review. CoRR Nikolaos Fanourakis, Vasilis Efthymiou, Dimitris Kotzinos, Vassilis Christophides
2022	J	`jnl`	Natural Language Interfaces to Data. CoRR Abdul Quamar, Vasilis Efthymiou, Chuan Lei, Fatma Özcan
2022	J	`jnl`	Natural Language Interfaces to Data. Found. Trends Databases Abdul Quamar, Vasilis Efthymiou, Chuan Lei, Fatma Özcan
2022	—	`ed.`	Proceedings of the Semantic Web Challenge on Tabular Data to Knowledge Graph Matching co-located with the 20th International Semantic Web Conference (ISWC 2021), Virtual conference, October 27, 2021. SemTab@ISWC Ernesto Jiménez-Ruiz, Vasilis Efthymiou, Jiaoyan Chen, Vincenzo Cutrona, Oktie Hassanzadeh, Juan Sequeda, Kavitha Srinivas, Nora Abdelmageed, Madelon Hulsebos, Daniela Oliveira, Catia Pesquita
2022	—	`conf`	Results of SemTab 2022. SemTab@ISWC Nora Abdelmageed, Jiaoyan Chen, Vincenzo Cutrona, Vasilis Efthymiou, Oktie Hassanzadeh, Madelon Hulsebos, Ernesto Jiménez-Ruiz, Juan Sequeda, Kavitha Srinivas
2021	J	`jnl`	An Overview of End-to-End Entity Resolution for Big Data. ACM Comput. Surv. Vassilis Christophides, Vasilis Efthymiou, Themis Palpanas, George Papadakis, Kostas Stefanidis
2021	J	`jnl`	BI-REC: Guided Data Analysis for Conversational Business Intelligence. CoRR Venkata Vamsikrishna Meduri, Abdul Quamar, Chuan Lei, Vasilis Efthymiou, Fatma Ozcan
2021	J	`jnl`	Bipartite Graph Matching Algorithms for Entity Resolution: An Empirical Evaluation. CoRR George Papadakis, Vasilis Efthymiou, Emanouil Thanos, Oktie Hassanzadeh
2021	—	`conf`	EL-NEL: Entity Linking for Greek News Articles. ISWC (Posters/Demos/Industry) Katerina Papantoniou, Vasilis Efthymiou, Giorgos Flouris
2021	A	`conf`	FairER: Entity Resolution With Fairness Constraints. CIKM Vasilis Efthymiou, Kostas Stefanidis, Evaggelia Pitoura, Vassilis Christophides
2021	A*	`conf`	MEDTO: Medical Data to Ontology Matching Using Hybrid Graph Neural Networks. KDD Junheng Hao, Chuan Lei, Vasilis Efthymiou, Abdul Quamar, Fatma Özcan, Yizhou Sun, Wei Wang
2021	—	`conf`	Medical Entity Disambiguation Using Graph Neural Networks. SIGMOD Conference Alina Vretinaris, Chuan Lei, Vasilis Efthymiou, Xiao Qin, Fatma Özcan
2021	J	`jnl`	Medical Entity Disambiguation Using Graph Neural Networks. CoRR Alina Vretinaris, Chuan Lei, Vasilis Efthymiou, Xiao Qin, Fatma Özcan
2021	Misc	`conf`	Object-Action Association Extraction from Knowledge Graphs. SEMANTiCS Alexandros Vassiliades, Theodore Patkos, Vasilis Efthymiou, Antonis Bikakis, Nick Bassiliades, Dimitris Plexousakis
2021	A*	`conf`	Ontology-Enriched Query Answering on Relational Databases. AAAI Shqiponja Ahmetaj, Vasilis Efthymiou, Ronald Fagin, Phokion G. Kolaitis, Chuan Lei, Fatma Özcan, Lucian Popa
2021	A*	`conf`	Property Graph Schema Optimization for Domain-Specific Knowledge Graphs. ICDE Rana Alotaibi, Chuan Lei, Abdul Quamar, Vasilis Efthymiou, Fatma Özcan
2021	—	`conf`	Results of SemTab 2021. SemTab@ISWC Vincenzo Cutrona, Jiaoyan Chen, Vasilis Efthymiou, Oktie Hassanzadeh, Ernesto Jiménez-Ruiz, Juan Sequeda, Kavitha Srinivas, Nora Abdelmageed, Madelon Hulsebos, Daniela Oliveira, Catia Pesquita
2021	—	`conf`	Semantic enrichment of data for AI applications. DEEM@SIGMOD Fatma Özcan, Chuan Lei, Abdul Quamar, Vasilis Efthymiou
2020	J	`jnl`	ATHENA++: Natural Language Querying for Complex Nested SQL Queries. Proc. VLDB Endow. Jaydeep Sen, Chuan Lei, Abdul Quamar, Fatma Özcan, Vasilis Efthymiou, Ayushi Dalmia, Greg Stager, Ashish R. Mittal, Diptikalyan Saha, Karthik Sankaranarayanan
2020	—	`conf`	An Ontology-Based Conversation System for Knowledge Bases. SIGMOD Conference Abdul Quamar, Chuan Lei, Dorian Miller, Fatma Ozcan, Jeffrey T. Kreulen, Robert J. Moore, Vasilis Efthymiou
2020	J	`jnl`	Benchmarking Blocking Algorithms for Web Entities. CoRR Vasilis Efthymiou, Kostas Stefanidis, Vassilis Christophides
2020	J	`jnl`	Benchmarking Blocking Algorithms for Web Entities. IEEE Trans. Big Data Vasilis Efthymiou, Kostas Stefanidis, Vassilis Christophides
2020	—	`conf`	Bootstrapping Natural Language Querying on Process Automation Data. SCC Xue Han, Lianxue Hu, Jaydeep Sen, Yabin Dang, Buyu Gao, Vatche Isahagian, Chuan Lei, Vasilis Efthymiou, Fatma Özcan, Abdul Quamar, Ziming Huang, Vinod Muthusamy
2020	B	`conf`	Expanding Query Answers on Medical Knowledge Bases. EDBT Chuan Lei, Vasilis Efthymiou, Rebecca Geis, Fatma Ozcan
2020	—	`ed.`	Proceedings of the Semantic Web Challenge on Tabular Data to Knowledge Graph Matching (SemTab 2020) co-located with the 19th International Semantic Web Conference (ISWC 2020), Virtual conference (originally planned to be in Athens, Greece), November 5, 2020. SemTab@ISWC Ernesto Jiménez-Ruiz, Oktie Hassanzadeh, Vasilis Efthymiou, Jiaoyan Chen, Kavitha Srinivas, Vincenzo Cutrona
2020	—	`ed.`	Proceedings of the Semantic Web Challenge on Tabular Data to Knowledge Graph Matching co-located with the 18th International Semantic Web Conference, SemTab@ISWC 2019, Auckland, New Zealand, October 30, 2019. SemTab@ISWC Ernesto Jiménez-Ruiz, Oktie Hassanzadeh, Kavitha Srinivas, Vasilis Efthymiou, Jiaoyan Chen
2020	J	`jnl`	Property Graph Schema Optimization for Domain-Specific Knowledge Graphs. CoRR Chuan Lei, Rana Alotaibi, Abdul Quamar, Vasilis Efthymiou, Fatma Özcan
2020	—	`conf`	Results of SemTab 2020. SemTab@ISWC Ernesto Jiménez-Ruiz, Oktie Hassanzadeh, Vasilis Efthymiou, Jiaoyan Chen, Kavitha Srinivas, Vincenzo Cutrona
2020	B	`conf`	SemTab 2019: Resources to Benchmark Tabular Data to Knowledge Graph Matching Systems. ESWC Ernesto Jiménez-Ruiz, Oktie Hassanzadeh, Vasilis Efthymiou, Jiaoyan Chen, Kavitha Srinivas
2020	—	`conf`	State of the Art and Open Challenges in Natural Language Interfaces to Data. SIGMOD Conference Fatma Ozcan, Abdul Quamar, Jaydeep Sen, Chuan Lei, Vasilis Efthymiou
2019	J	`jnl`	End-to-End Entity Resolution for Big Data: A Survey. CoRR Vassilis Christophides, Vasilis Efthymiou, Themis Palpanas, George Papadakis, Kostas Stefanidis
2019	B	`conf`	MinoanER: Schema-Agnostic, Non-Iterative, Massively Parallel Resolution of Web Entities. EDBT Vasilis Efthymiou, George Papadakis, Kostas Stefanidis, Vassilis Christophides
2019	J	`jnl`	MinoanER: Schema-Agnostic, Non-Iterative, Massively Parallel Resolution of Web Entities. CoRR Vasilis Efthymiou, George Papadakis, Kostas Stefanidis, Vassilis Christophides
2018	A*	`conf`	Simplifying Entity Resolution on Web Data with Schema-Agnostic, Non-Iterative Matching. ICDE Vasilis Efthymiou, George Papadakis, Kostas Stefanidis, Vassilis Christophides
2017	—	`—`	Entity resolution in the web of data Vasilis Efthymiou
2017	—	`conf`	Matching Web Tables with Knowledge Base Entities: From Entity Lookups to Entity Embeddings. ISWC (1) Vasilis Efthymiou, Oktie Hassanzadeh, Mariano Rodriguez-Muro, Vassilis Christophides
2017	J	`jnl`	Parallel meta-blocking for scaling entity resolution over big heterogeneous data. Inf. Syst. Vasilis Efthymiou, George Papadakis, George Papastefanatos, Kostas Stefanidis, Themis Palpanas
2017	A*	`conf`	Web-Scale Blocking, Iterative and Progressive Entity Resolution. ICDE Kostas Stefanidis, Vassilis Christophides, Vasilis Efthymiou
2016	—	`conf`	Annotating web tables through ontology matching. OM@ISWC Vasilis Efthymiou, Oktie Hassanzadeh, Mohammad Sadoghi, Mariano Rodriguez-Muro
2016	B	`conf`	Minoan ER: Progressive Entity Resolution in the Web of Data. EDBT Vasilis Efthymiou, Kostas Stefanidis, Vassilis Christophides
2016	J	`jnl`	Privacy challenges in Ambient Intelligence systems. J. Ambient Intell. Smart Environ. Patrice Caire, Assaad Moawad, Vasilis Efthymiou, Antonis Bikakis, Yves Le Traon
2015	—	`conf`	Big data entity resolution: From highly to somehow similar entity descriptions in the Web. IEEE BigData Vasilis Efthymiou, Kostas Stefanidis, Vassilis Christophides
2015	—	`book`	Entity Resolution in the Web of Data Vassilis Christophides, Vasilis Efthymiou, Kostas Stefanidis
2015	—	`conf`	Parallel meta-blocking: Realizing scalable entity resolution over large, heterogeneous data. IEEE BigData Vasilis Efthymiou, George Papadakis, George Papastefanatos, Kostas Stefanidis, Themis Palpanas
2015	—	`conf`	Top-k computations in MapReduce: A case study on recommendations. IEEE BigData Vasilis Efthymiou, Kostas Stefanidis, Eirini Ntoutsi
2014	—	`conf`	Entity resolution in the web of data. WWW (Companion Volume) Kostas Stefanidis, Vasilis Efthymiou, Melanie Herschel, Vassilis Christophides
2012	—	`conf`	S-CRETA: Smart Classroom Real-Time Assistance. ISAmI Maria Koutraki, Vasilis Efthymiou, Grigoris Antoniou