Vasilis Efthymiou

According to our database, Vasilis Efthymiou authored at least 57 papers between 2012 and 2024.

Collaborative distances:

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

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

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

CoRR, 2024

HybEA: Hybrid Attention Models for Entity Alignment.

Nikolaos Fanourakis, Fatia Lekbour, Vasilis Efthymiou, Guillaume Renton, Vassilis Christophides

CoRR, 2024

2nd International Workshop on Tabular Data Analysis (TaDA).

Vasilis Efthymiou, Sainyam Galhotra, Oktie Hassanzadeh, Chuan Lei, Kavitha Srinivas

Proceedings of Workshops at the 50th International Conference on Very Large Data Bases, 2024

Property Graphs at Scale: A Roadmap and Vision for the Future (Short Paper).

Haridimos Kondylakis, Vasilis Efthymiou, Georgia Troullinou, Elisjana Ymeralli, Dimitris Plexousakis

Proceedings of the Advanced Information Systems Engineering Workshops, 2024

2023

An analysis of one-to-one matching algorithms for entity resolution.

George Papadakis, Vasilis Efthymiou, Emmanouil Thanos, Oktie Hassanzadeh, Peter Christen

VLDB J., November, 2023

Knowledge graph embedding methods for entity alignment: experimental review.

Nikolaos Fanourakis, Vasilis Efthymiou, Dimitris Kotzinos, Vassilis Christophides

Data Min. Knowl. Discov., September, 2023

HERMES: data placement and schema optimization for enterprise knowledge bases.

Chuan Lei, Abdul Quamar, Vasilis Efthymiou, Fatma Özcan, Rana Alotaibi

VLDB J., May, 2023

Front Matter.

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

Proc. VLDB Endow., 2023

Preface TaDA.

Vasilis Efthymiou, Oktie Hassanzadeh, Ernesto Jiménez-Ruiz, Kavitha Srinivas

Proceedings of the Joint Proceedings of Workshops at the 49th International Conference on Very Large Data Bases (VLDB 2023), Vancouver, Canada, August 28, 2023

Fair Sequential Group Recommendations in SQUIRREL Movies.

Eva Chrysostomaki, Maria Stratigi, Vasilis Efthymiou, Kostas Stefanidis, Dimitris Plexousakis

Proceedings of the Joint Proceedings of Workshops at the 49th International Conference on Very Large Data Bases (VLDB 2023), Vancouver, Canada, August 28, 2023

Results of SemTab 2023.

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

Proceedings of the Semantic Web Challenge on Tabular Data to Knowledge Graph Matching, 2023

Fairness-Aware and Explainable Entity Resolution.

Nikolaos Fanourakis, Christos Kontousias, Vasilis Efthymiou, Vassilis Christophides, Dimitris Plexousakis

Proceedings of the ISWC 2023 Posters, 2023

Automating Benchmark Generation for Named Entity Recognition and Entity Linking.

Katerina Papantoniou, Vasilis Efthymiou, Dimitris Plexousakis

Proceedings of the Semantic Web: ESWC 2023 Satellite Events - Hersonissos, Crete, Greece, May 28, 2023

Structural Bias in Knowledge Graphs for the Entity Alignment Task.

Nikolaos Fanourakis, Vasilis Efthymiou, Vassilis Christophides, Dimitris Kotzinos, Evaggelia Pitoura, Kostas Stefanidis

Proceedings of the Semantic Web - 20th International Conference, 2023

Self-configured Entity Resolution with pyJedAI.

Vasilis Efthymiou, Ekaterini Ioannou, Manos Karvounis, Manolis Koubarakis, Jakub Maciejewski, Konstantinos Nikoletos, George Papadakis, Dimitrios Skoutas, Yannis Velegrakis, Alexandros Zeakis

Proceedings of the IEEE International Conference on Big Data, 2023

2022

Natural Language Interfaces to Data.

Abdul Quamar, Vasilis Efthymiou, Chuan Lei, Fatma Özcan

Found. Trends Databases, 2022

Knowledge Graph Embedding Methods for Entity Alignment: An Experimental Review.

Nikolaos Fanourakis, Vasilis Efthymiou, Dimitris Kotzinos, Vassilis Christophides

CoRR, 2022

CosmOntology: Creating an Ontology of the Cosmos(short position paper).

Vasilis Efthymiou

Proceedings of the Workshop on Deep Learning for Knowledge Graphs (DL4KG 2022) co-located with the 21th International Semantic Web Conference (ISWC 2022), 2022

Results of SemTab 2022.

Nora Abdelmageed, Jiaoyan Chen, Vincenzo Cutrona, Vasilis Efthymiou, Oktie Hassanzadeh, Madelon Hulsebos, Ernesto Jiménez-Ruiz, Juan Sequeda, Kavitha Srinivas

Proceedings of the Semantic Web Challenge on Tabular Data to Knowledge Graph Matching, 2022

Bipartite Graph Matching Algorithms for Clean-Clean Entity Resolution: An Empirical Evaluation.

George Papadakis, Vasilis Efthymiou, Emmanouil Thanos, Oktie Hassanzadeh

Proceedings of the 25th International Conference on Extending Database Technology, 2022

2021

An Overview of End-to-End Entity Resolution for Big Data.

Vassilis Christophides, Vasilis Efthymiou, Themis Palpanas, George Papadakis, Kostas Stefanidis

ACM Comput. Surv., 2021

Bipartite Graph Matching Algorithms for Entity Resolution: An Empirical Evaluation.

George Papadakis, Vasilis Efthymiou, Emanouil Thanos, Oktie Hassanzadeh

CoRR, 2021

BI-REC: Guided Data Analysis for Conversational Business Intelligence.

Venkata Vamsikrishna Meduri, Abdul Quamar, Chuan Lei, Vasilis Efthymiou, Fatma Ozcan

CoRR, 2021

Medical Entity Disambiguation Using Graph Neural Networks.

Alina Vretinaris, Chuan Lei, Vasilis Efthymiou, Xiao Qin, Fatma Özcan

Proceedings of the SIGMOD '21: International Conference on Management of Data, 2021

Semantic enrichment of data for AI applications.

Fatma Özcan, Chuan Lei, Abdul Quamar, Vasilis Efthymiou

Proceedings of the Fifth Workshop on Data Management for End-To-End Machine Learning, 2021

EL-NEL: Entity Linking for Greek News Articles.

Katerina Papantoniou, Vasilis Efthymiou, Giorgos Flouris

Proceedings of the ISWC 2021 Posters, 2021

Results of SemTab 2021.

Vincenzo Cutrona, Jiaoyan Chen, Vasilis Efthymiou, Oktie Hassanzadeh, Ernesto Jiménez-Ruiz, Juan Sequeda, Kavitha Srinivas, Nora Abdelmageed, Madelon Hulsebos, Daniela Oliveira, Catia Pesquita

Proceedings of the Semantic Web Challenge on Tabular Data to Knowledge Graph Matching co-located with the 20th International Semantic Web Conference (ISWC 2021), 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

Proceedings of the KDD '21: The 27th ACM SIGKDD Conference on Knowledge Discovery and Data Mining, 2021

Property Graph Schema Optimization for Domain-Specific Knowledge Graphs.

Rana Alotaibi, Chuan Lei, Abdul Quamar, Vasilis Efthymiou, Fatma Özcan

Proceedings of the 37th IEEE International Conference on Data Engineering, 2021

Object-Action Association Extraction from Knowledge Graphs.

Alexandros Vassiliades, Theodore Patkos, Vasilis Efthymiou, Antonis Bikakis, Nick Bassiliades, Dimitris Plexousakis

Proceedings of the Further with Knowledge Graphs, 2021

FairER: Entity Resolution With Fairness Constraints.

Vasilis Efthymiou, Kostas Stefanidis, Evaggelia Pitoura, Vassilis Christophides

Proceedings of the CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1, 2021

Ontology-Enriched Query Answering on Relational Databases.

Shqiponja Ahmetaj, Vasilis Efthymiou, Ronald Fagin, Phokion G. Kolaitis, Chuan Lei, Fatma Özcan, Lucian Popa

Proceedings of the Thirty-Fifth AAAI Conference on Artificial Intelligence, 2021

2020

Benchmarking Blocking Algorithms for Web Entities.

Vasilis Efthymiou, Kostas Stefanidis, Vassilis Christophides

IEEE Trans. Big Data, 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

An Ontology-Based Conversation System for Knowledge Bases.

Abdul Quamar, Chuan Lei, Dorian Miller, Fatma Ozcan, Jeffrey T. Kreulen, Robert J. Moore, Vasilis Efthymiou

Proceedings of the 2020 International Conference on Management of Data, 2020

State of the Art and Open Challenges in Natural Language Interfaces to Data.

Fatma Ozcan, Abdul Quamar, Jaydeep Sen, Chuan Lei, Vasilis Efthymiou

Proceedings of the 2020 International Conference on Management of Data, 2020

Results of SemTab 2020.

Ernesto Jiménez-Ruiz, Oktie Hassanzadeh, Vasilis Efthymiou, Jiaoyan Chen, Kavitha Srinivas, Vincenzo Cutrona

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), 2020

SemTab 2019: Resources to Benchmark Tabular Data to Knowledge Graph Matching Systems.

Ernesto Jiménez-Ruiz, Oktie Hassanzadeh, Vasilis Efthymiou, Jiaoyan Chen, Kavitha Srinivas

Proceedings of the Semantic Web - 17th International Conference, 2020

Expanding Query Answers on Medical Knowledge Bases.

Chuan Lei, Vasilis Efthymiou, Rebecca Geis, Fatma Ozcan

Proceedings of the 23rd International Conference on Extending Database Technology, 2020

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

Proceedings of the 2020 IEEE International Conference on Services Computing, 2020

2019

End-to-End Entity Resolution for Big Data: A Survey.

Vassilis Christophides, Vasilis Efthymiou, Themis Palpanas, George Papadakis, Kostas Stefanidis

CoRR, 2019

MinoanER: Schema-Agnostic, Non-Iterative, Massively Parallel Resolution of Web Entities.

Vasilis Efthymiou, George Papadakis, Kostas Stefanidis, Vassilis Christophides

Proceedings of the Advances in Database Technology, 2019

2018

Simplifying Entity Resolution on Web Data with Schema-Agnostic, Non-Iterative Matching.

Vasilis Efthymiou, George Papadakis, Kostas Stefanidis, Vassilis Christophides

Proceedings of the 34th IEEE International Conference on Data Engineering, 2018

2017

Entity resolution in the web of data

Vasilis Efthymiou

PhD thesis, 2017

Parallel meta-blocking for scaling entity resolution over big heterogeneous data.

Vasilis Efthymiou, George Papadakis, George Papastefanatos, Kostas Stefanidis, Themis Palpanas

Inf. Syst., 2017

Matching Web Tables with Knowledge Base Entities: From Entity Lookups to Entity Embeddings.

Vasilis Efthymiou, Oktie Hassanzadeh, Mariano Rodriguez-Muro, Vassilis Christophides

Proceedings of the Semantic Web - ISWC 2017, 2017

Web-Scale Blocking, Iterative and Progressive Entity Resolution.

Kostas Stefanidis, Vassilis Christophides, Vasilis Efthymiou

Proceedings of the 33rd IEEE International Conference on Data Engineering, 2017

2016

Privacy challenges in Ambient Intelligence systems.

Patrice Caire, Assaad Moawad, Vasilis Efthymiou, Antonis Bikakis, Yves Le Traon

J. Ambient Intell. Smart Environ., 2016

Annotating web tables through ontology matching.

Vasilis Efthymiou, Oktie Hassanzadeh, Mohammad Sadoghi, Mariano Rodriguez-Muro

Proceedings of the 11th International Workshop on Ontology Matching co-located with the 15th International Semantic Web Conference (ISWC 2016), 2016

Minoan ER: Progressive Entity Resolution in the Web of Data.

Vasilis Efthymiou, Kostas Stefanidis, Vassilis Christophides

Proceedings of the 19th International Conference on Extending Database Technology, 2016

2015

Entity Resolution in the Web of Data

Vassilis Christophides, Vasilis Efthymiou, Kostas Stefanidis

Synthesis Lectures on the Semantic Web: Theory and Technology, Morgan & Claypool Publishers, ISBN: 978-3-031-79468-1, 2015

Top-k computations in MapReduce: A case study on recommendations.

Vasilis Efthymiou, Kostas Stefanidis, Eirini Ntoutsi

Proceedings of the 2015 IEEE International Conference on Big Data (IEEE BigData 2015), Santa Clara, CA, USA, October 29, 2015

Big data entity resolution: From highly to somehow similar entity descriptions in the Web.

Vasilis Efthymiou, Kostas Stefanidis, Vassilis Christophides

Proceedings of the 2015 IEEE International Conference on Big Data (IEEE BigData 2015), Santa Clara, CA, USA, October 29, 2015

Parallel meta-blocking: Realizing scalable entity resolution over large, heterogeneous data.

Vasilis Efthymiou, George Papadakis, George Papastefanatos, Kostas Stefanidis, Themis Palpanas

Proceedings of the 2015 IEEE International Conference on Big Data (IEEE BigData 2015), Santa Clara, CA, USA, October 29, 2015

2014

Entity resolution in the web of data.

Kostas Stefanidis, Vasilis Efthymiou, Melanie Herschel, Vassilis Christophides

Proceedings of the 23rd International World Wide Web Conference, 2014

2012

S-CRETA: Smart Classroom Real-Time Assistance.

Maria Koutraki, Vasilis Efthymiou, Grigoris Antoniou

Proceedings of the Ambient Intelligence - Software and Applications, 2012