S-CRETA: Smart Classroom Real-Time Assistance. - Maria Koutraki; Vasilis Efthymiou; Grigoris Antoniou (ISAmI, 2012)

Entity resolution in the web of data. - Kostas Stefanidis; Vasilis Efthymiou; Melanie Herschel; Vassilis Christophides (WWW (Companion Volume), 2014)

Parallel meta-blocking: Realizing scalable entity resolution over large, heterogeneous data. - Vasilis Efthymiou; George Papadakis 001; George Papastefanatos; Kostas Stefanidis; Themis Palpanas (IEEE BigData, 2015)

Big data entity resolution: From highly to somehow similar entity descriptions in the Web. - Vasilis Efthymiou; Kostas Stefanidis; Vassilis Christophides (IEEE BigData, 2015)

Top-k computations in MapReduce: A case study on recommendations. - Vasilis Efthymiou; Kostas Stefanidis; Eirini Ntoutsi (IEEE BigData, 2015)

Entity Resolution in the Web of Data - Vassilis Christophides; Vasilis Efthymiou; Kostas Stefanidis (Morgan & Claypool Publishers, 2015)

Minoan ER: Progressive Entity Resolution in the Web of Data. - Vasilis Efthymiou; Kostas Stefanidis; Vassilis Christophides (EDBT, 2016)

Annotating web tables through ontology matching. - Vasilis Efthymiou; Oktie Hassanzadeh; Mohammad Sadoghi; Mariano Rodriguez-Muro (OM@ISWC, 2016)

Privacy challenges in Ambient Intelligence systems. - Patrice Caire; Assaad Moawad; Vasilis Efthymiou; Antonis Bikakis; Yves Le Traon (J. Ambient Intell. Smart Environ., 2016)

Web-Scale Blocking, Iterative and Progressive Entity Resolution. - Kostas Stefanidis; Vassilis Christophides; Vasilis Efthymiou (ICDE, 2017)

Matching Web Tables with Knowledge Base Entities: From Entity Lookups to Entity Embeddings. - Vasilis Efthymiou; Oktie Hassanzadeh; Mariano Rodriguez-Muro; Vassilis Christophides (ISWC (1), 2017)

Parallel meta-blocking for scaling entity resolution over big heterogeneous data. - Vasilis Efthymiou; George Papadakis 001; George Papastefanatos; Kostas Stefanidis; Themis Palpanas (Inf. Syst., 2017)

Entity resolution in the web of data - Vasilis Efthymiou (2017)

Simplifying Entity Resolution on Web Data with Schema-Agnostic, Non-Iterative Matching. - Vasilis Efthymiou; George Papadakis 001; Kostas Stefanidis; Vassilis Christophides (ICDE, 2018)

MinoanER: Schema-Agnostic, Non-Iterative, Massively Parallel Resolution of Web Entities. - Vasilis Efthymiou; George Papadakis 001; Kostas Stefanidis; Vassilis Christophides (EDBT, 2019)

End-to-End Entity Resolution for Big Data: A Survey. - Vassilis Christophides; Vasilis Efthymiou; Themis Palpanas; George Papadakis 001; Kostas Stefanidis (CoRR, 2019)

Bootstrapping Natural Language Querying on Process Automation Data. - Xue Han; Lianxue Hu; Jaydeep Sen; Yabin Dang; Buyu Gao; Vatche Isahagian; Chuan Lei; Vasilis Efthymiou; Fatma Özcan; Abdul Quamar; Ziming Huang; Vinod Muthusamy (SCC, 2020)

Expanding Query Answers on Medical Knowledge Bases. - Chuan Lei; Vasilis Efthymiou; Rebecca Geis; Fatma Ozcan (EDBT, 2020)

SemTab 2019: Resources to Benchmark Tabular Data to Knowledge Graph Matching Systems. - Ernesto Jiménez-Ruiz; Oktie Hassanzadeh; Vasilis Efthymiou; Jiaoyan Chen 001; Kavitha Srinivas (ESWC, 2020)

Results of SemTab 2020. - Ernesto Jiménez-Ruiz; Oktie Hassanzadeh; Vasilis Efthymiou; Jiaoyan Chen 001; Kavitha Srinivas; Vincenzo Cutrona (SemTab@ISWC, 2020)

State of the Art and Open Challenges in Natural Language Interfaces to Data. - Fatma Ozcan; Abdul Quamar; Jaydeep Sen; Chuan Lei; Vasilis Efthymiou (SIGMOD Conference, 2020)

An Ontology-Based Conversation System for Knowledge Bases. - Abdul Quamar; Chuan Lei; Dorian Miller; Fatma Ozcan; Jeffrey T. Kreulen; Robert J. Moore; Vasilis Efthymiou (SIGMOD Conference, 2020)

ATHENA++: Natural Language Querying for Complex Nested SQL Queries. - Jaydeep Sen; Chuan Lei; Abdul Quamar; Fatma Özcan; Vasilis Efthymiou; Ayushi Dalmia; Greg Stager; Ashish R. Mittal; Diptikalyan Saha; Karthik Sankaranarayanan (Proc. VLDB Endow., 2020)

Benchmarking Blocking Algorithms for Web Entities. - Vasilis Efthymiou; Kostas Stefanidis; Vassilis Christophides (IEEE Trans. Big Data, 2020)

Ontology-Enriched Query Answering on Relational Databases. - Shqiponja Ahmetaj; Vasilis Efthymiou; Ronald Fagin; Phokion G. Kolaitis; Chuan Lei; Fatma Özcan; Lucian Popa 001 (AAAI, 2021)

FairER: Entity Resolution With Fairness Constraints. - Vasilis Efthymiou; Kostas Stefanidis; Evaggelia Pitoura; Vassilis Christophides (CIKM, 2021)

Object-Action Association Extraction from Knowledge Graphs. - Alexandros Vassiliades; Theodore Patkos; Vasilis Efthymiou; Antonis Bikakis; Nick Bassiliades; Dimitris Plexousakis (SEMANTiCS, 2021)

Property Graph Schema Optimization for Domain-Specific Knowledge Graphs. - Rana Alotaibi; Chuan Lei; Abdul Quamar; Vasilis Efthymiou; Fatma Özcan (ICDE, 2021)

MEDTO: Medical Data to Ontology Matching Using Hybrid Graph Neural Networks. - Junheng Hao; Chuan Lei; Vasilis Efthymiou; Abdul Quamar; Fatma Özcan; Yizhou Sun; Wei Wang 010 (KDD, 2021)

Results of SemTab 2021. - Vincenzo Cutrona; Jiaoyan Chen 001; Vasilis Efthymiou; Oktie Hassanzadeh; Ernesto Jiménez-Ruiz; Juan Sequeda; Kavitha Srinivas; Nora Abdelmageed; Madelon Hulsebos; Daniela Oliveira 002; Catia Pesquita (SemTab@ISWC, 2021)

EL-NEL: Entity Linking for Greek News Articles. - Katerina Papantoniou; Vasilis Efthymiou; Giorgos Flouris (ISWC (Posters/Demos/Industry), 2021)

Semantic enrichment of data for AI applications. - Fatma Özcan; Chuan Lei; Abdul Quamar; Vasilis Efthymiou (DEEM@SIGMOD, 2021)

Medical Entity Disambiguation Using Graph Neural Networks. - Alina Vretinaris; Chuan Lei; Vasilis Efthymiou; Xiao Qin 003; Fatma Özcan (SIGMOD Conference, 2021)

BI-REC: Guided Data Analysis for Conversational Business Intelligence. - Venkata Vamsikrishna Meduri; Abdul Quamar; Chuan Lei; Vasilis Efthymiou; Fatma Ozcan (CoRR, 2021)

Bipartite Graph Matching Algorithms for Entity Resolution: An Empirical Evaluation. - George Papadakis 001; Vasilis Efthymiou; Emanouil Thanos; Oktie Hassanzadeh (CoRR, 2021)

An Overview of End-to-End Entity Resolution for Big Data. - Vassilis Christophides; Vasilis Efthymiou; Themis Palpanas; George Papadakis 001; Kostas Stefanidis (ACM Comput. Surv., 2021)

Bipartite Graph Matching Algorithms for Clean-Clean Entity Resolution: An Empirical Evaluation. - George Papadakis 001; Vasilis Efthymiou; Emmanouil Thanos; Oktie Hassanzadeh (EDBT, 2022)

Results of SemTab 2022. - Nora Abdelmageed; Jiaoyan Chen 001; Vincenzo Cutrona; Vasilis Efthymiou; Oktie Hassanzadeh; Madelon Hulsebos; Ernesto Jiménez-Ruiz; Juan Sequeda; Kavitha Srinivas (SemTab@ISWC, 2022)

CosmOntology: Creating an Ontology of the Cosmos(short position paper). - Vasilis Efthymiou (DL4KG@ISWC, 2022)

Knowledge Graph Embedding Methods for Entity Alignment: An Experimental Review. - Nikolaos Fanourakis; Vasilis Efthymiou; Dimitris Kotzinos; Vassilis Christophides (CoRR, 2022)

Natural Language Interfaces to Data. - Abdul Quamar; Vasilis Efthymiou; Chuan Lei; Fatma Özcan (Found. Trends Databases, 2022)

Dataset for Named Entity Recognition and Entity Linking from Greek Wikipedia Events. - Katerina Papantoniou; Vasilis Efthymiou; Dimitris Plexousakis (Zenodo, 2022)

Self-configured Entity Resolution with pyJedAI. - Vasilis Efthymiou; Ekaterini Ioannou; Manos Karvounis; Manolis Koubarakis; Jakub Maciejewski; Konstantinos Nikoletos; George Papadakis 001; Dimitrios Skoutas 001; Yannis Velegrakis; Alexandros Zeakis (IEEE Big Data, 2023)

Structural Bias in Knowledge Graphs for the Entity Alignment Task. - Nikolaos Fanourakis; Vasilis Efthymiou; Vassilis Christophides; Dimitris Kotzinos; Evaggelia Pitoura; Kostas Stefanidis (ESWC, 2023)

Automating Benchmark Generation for Named Entity Recognition and Entity Linking. - Katerina Papantoniou; Vasilis Efthymiou; Dimitris Plexousakis (ESWC (Satellite Events), 2023)

Fairness-Aware and Explainable Entity Resolution. - Nikolaos Fanourakis; Christos Kontousias; Vasilis Efthymiou; Vassilis Christophides; Dimitris Plexousakis (ISWC (Posters/Demos/Industry), 2023)

Results of SemTab 2023. - Oktie Hassanzadeh; Nora Abdelmageed; Vasilis Efthymiou; Jiaoyan Chen 001; Vincenzo Cutrona; Madelon Hulsebos; Ernesto Jiménez-Ruiz; Aamod Khatiwada; Keti Korini; Benno Kruit; Juan Sequeda; Kavitha Srinivas (SemTab@ISWC, 2023)

Fair Sequential Group Recommendations in SQUIRREL Movies. - Eva Chrysostomaki; Maria Stratigi; Vasilis Efthymiou; Kostas Stefanidis; Dimitris Plexousakis (VLDB Workshops, 2023)

Preface TaDA. - Vasilis Efthymiou; Oktie Hassanzadeh; Ernesto Jiménez-Ruiz; Kavitha Srinivas (VLDB Workshops, 2023)

Front Matter. - Georgia Koutrika; Jun Yang 001; Manos Athanassoulis; Kostas Stefanidis; Ju Fan; Abdul Quamar; Yuanyan Tian; Alekh Jindal; Carsten Binnig; Jennie Rogers; Senjuti Basu Roy; Steven Euijong Whang; et al. (Proc. VLDB Endow., 2023)

HERMES: data placement and schema optimization for enterprise knowledge bases. - Chuan Lei; Abdul Quamar; Vasilis Efthymiou; Fatma Özcan; Rana Alotaibi (VLDB J., 2023)

Knowledge graph embedding methods for entity alignment: experimental review. - Nikolaos Fanourakis; Vasilis Efthymiou; Dimitris Kotzinos; Vassilis Christophides (Data Min. Knowl. Discov., 2023)

An analysis of one-to-one matching algorithms for entity resolution. - George Papadakis 001; Vasilis Efthymiou; Emmanouil Thanos; Oktie Hassanzadeh; Peter Christen (VLDB J., 2023)

Entity Extraction from High-Level Corruption Schemes via Large Language Models. - Panagiotis Koletsis; Panagiotis-Konstantinos Gemos; Christos Chronis; Iraklis Varlamis; Vasilis Efthymiou; Georgios Th. Papadopoulos (IEEE Big Data, 2024)

Property Graphs at Scale: A Roadmap and Vision for the Future (Short Paper). - Haridimos Kondylakis; Vasilis Efthymiou; Georgia Troullinou; Elisjana Ymeralli; Dimitris Plexousakis (CAiSE Workshops, 2024)

2nd International Workshop on Tabular Data Analysis (TaDA). - Vasilis Efthymiou; Sainyam Galhotra; Oktie Hassanzadeh; Chuan Lei; Kavitha Srinivas (VLDB Workshops, 2024)

HybEA: Hybrid Attention Models for Entity Alignment. - Nikolaos Fanourakis; Fatia Lekbour; Vasilis Efthymiou; Guillaume Renton; Vassilis Christophides (CoRR, 2024)

Extraction of object-action and object-state associations from Knowledge Graphs. - Alexandros Vassiliades; Theodore Patkos; Vasilis Efthymiou; Antonis Bikakis; Nick Bassiliades; Dimitris Plexousakis (J. Web Semant., 2024)

Fairness and Explanations in Entity Resolution: An Overview. - Tiago Brasileiro Araújo; Vasilis Efthymiou; Kostas Stefanidis (IEEE Access, 2025)

TREATS: Fairness-aware entity resolution over streaming data. - Tiago Brasileiro Araújo; Vasilis Efthymiou; Vassilis Christophides; Evaggelia Pitoura; Kostas Stefanidis (Inf. Syst., 2025)

Auto-Configuring Entity Resolution Pipelines. - Konstantinos Nikoletos; Vasilis Efthymiou; George Papadakis 001; Kostas Stefanidis (CoRR, 2025)

Exploring Energy Landscapes for Minimal Counterfactual Explanations: Applications in Cybersecurity and Beyond. - Spyridon Evangelatos; Eleni Veroni; Vasilis Efthymiou; Christos D. Nikolopoulos; Georgios Th. Papadopoulos; Panagiotis G. Sarigiannidis (CoRR, 2025)

Deduplicated Sampling On-Demand. - Luca Zecchini; Vasilis Efthymiou; Felix Naumann; Giovanni Simonini (Proc. VLDB Endow., 2025)

Relationship Detection on Tabular Data Using Statistical Analysis and Large Language Models. - Panagiotis Koletsis; Christos Panagiotopoulos; Georgios Th. Papadopoulos; Vasilis Efthymiou (CoRR, 2025)