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ORCIDVasilis Efthymiou
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- affiliation: Harokopio University of Athens, Greece
- affiliation (former): FORTH - Institute of Computer Science, Greece
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2020 – today
- 2024
[j11]Alexandros Vassiliades, Theodore Patkos, Vasilis Efthymiou, Antonis Bikakis, Nick Bassiliades, Dimitris Plexousakis:
Extraction of object-action and object-state associations from Knowledge Graphs. J. Web Semant. 81: 100816 (2024)- [c38]Haridimos Kondylakis, Vasilis Efthymiou, Georgia Troullinou, Elisjana Ymeralli, Dimitris Plexousakis:
Property Graphs at Scale: A Roadmap and Vision for the Future (Short Paper). CAiSE Workshops 2024: 180-185 - [c37]Vasilis Efthymiou, Sainyam Galhotra, Oktie Hassanzadeh, Chuan Lei, Kavitha Srinivas:
2nd International Workshop on Tabular Data Analysis (TaDA). VLDB Workshops 2024 - [i11]Nikolaos Fanourakis, Fatia Lekbour, Vasilis Efthymiou, Guillaume Renton, Vassilis Christophides:
HybEA: Hybrid Attention Models for Entity Alignment. CoRR abs/2407.02862 (2024) - [i10]Panagiotis Koletsis, Panagiotis-Konstantinos Gemos, Christos Chronis, Iraklis Varlamis, Vasilis Efthymiou, Georgios Th. Papadopoulos:
Entity Extraction from High-Level Corruption Schemes via Large Language Models. CoRR abs/2409.13704 (2024) - 2023
- [j10]Nikolaos Fanourakis
, Vasilis Efthymiou, Dimitris Kotzinos, Vassilis Christophides:
Knowledge graph embedding methods for entity alignment: experimental review. Data Min. Knowl. Discov. 37(5): 2070-2137 (2023) - [j9]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:
Front Matter. Proc. VLDB Endow. 16(12) (2023) - [j8]Chuan Lei, Abdul Quamar, Vasilis Efthymiou, Fatma Özcan, Rana Alotaibi:
HERMES: data placement and schema optimization for enterprise knowledge bases. VLDB J. 32(3): 549-574 (2023) - [j7]George Papadakis, Vasilis Efthymiou, Emmanouil Thanos, Oktie Hassanzadeh, Peter Christen:
An analysis of one-to-one matching algorithms for entity resolution. VLDB J. 32(6): 1369-1400 (2023) - [c36]Vasilis Efthymiou, Ekaterini Ioannou, Manos Karvounis, Manolis Koubarakis, Jakub Maciejewski, Konstantinos Nikoletos, George Papadakis, Dimitrios Skoutas, Yannis Velegrakis, Alexandros Zeakis:
Self-configured Entity Resolution with pyJedAI. IEEE Big Data 2023: 339-343 - [c35]Nikolaos Fanourakis, Vasilis Efthymiou, Vassilis Christophides, Dimitris Kotzinos, Evaggelia Pitoura, Kostas Stefanidis:
Structural Bias in Knowledge Graphs for the Entity Alignment Task. ESWC 2023: 72-90 - [c34]Katerina Papantoniou, Vasilis Efthymiou, Dimitris Plexousakis:
Automating Benchmark Generation for Named Entity Recognition and Entity Linking. ESWC (Satellite Events) 2023: 143-148 - [c33]Nikolaos Fanourakis, Christos Kontousias, Vasilis Efthymiou, Vassilis Christophides, Dimitris Plexousakis:
Fairness-Aware and Explainable Entity Resolution. ISWC (Posters/Demos/Industry) 2023 - [c32]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:
Results of SemTab 2023. SemTab@ISWC 2023: 1-14 - [c31]Eva Chrysostomaki, Maria Stratigi, Vasilis Efthymiou, Kostas Stefanidis, Dimitris Plexousakis:
Fair Sequential Group Recommendations in SQUIRREL Movies. VLDB Workshops 2023 - [c30]Vasilis Efthymiou, Oktie Hassanzadeh, Ernesto Jiménez-Ruiz, Kavitha Srinivas:
Preface TaDA. VLDB Workshops 2023 - [e8]Catia Pesquita, Hala Skaf-Molli, Vasilis Efthymiou, Sabrina Kirrane, Axel Ngonga, Diego Collarana, Renato Cerqueira, Mehwish Alam, Cássia Trojahn, Sven Hertling:
The Semantic Web: ESWC 2023 Satellite Events - Hersonissos, Crete, Greece, May 28 - June 1, 2023, Proceedings. Lecture Notes in Computer Science 13998, Springer 2023, ISBN 978-3-031-43457-0 [contents] - [e7]Vasilis Efthymiou, Ernesto Jiménez-Ruiz, Jiaoyan Chen, Vincenzo Cutrona, Oktie Hassanzadeh, Juan Sequeda, Kavitha Srinivas, Nora Abdelmageed, Madelon Hulsebos:
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. CEUR Workshop Proceedings 3320, CEUR-WS.org 2023 [contents] - [e6]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:
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. CEUR Workshop Proceedings 3557, CEUR-WS.org 2023 [contents] - [e5]Vasilis Efthymiou, Xiao Hu:
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. CEUR Workshop Proceedings 3452, CEUR-WS.org 2023 [contents] - [e4]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:
Joint Proceedings of Workshops at the 49th International Conference on Very Large Data Bases (VLDB 2023), Vancouver, Canada, August 28 - September 1, 2023. CEUR Workshop Proceedings 3462, CEUR-WS.org 2023 [contents] - 2022
- [j6]Abdul Quamar, Vasilis Efthymiou, Chuan Lei, Fatma Özcan:
Natural Language Interfaces to Data. Found. Trends Databases 11(4): 319-414 (2022) - [c29]George Papadakis, Vasilis Efthymiou, Emmanouil Thanos, Oktie Hassanzadeh:
Bipartite Graph Matching Algorithms for Clean-Clean Entity Resolution: An Empirical Evaluation. EDBT 2022: 2:462-2:474 - [c28]Nora Abdelmageed, Jiaoyan Chen, Vincenzo Cutrona, Vasilis Efthymiou, Oktie Hassanzadeh, Madelon Hulsebos, Ernesto Jiménez-Ruiz, Juan Sequeda, Kavitha Srinivas:
Results of SemTab 2022. SemTab@ISWC 2022: 1-13 - [c27]Vasilis Efthymiou:
CosmOntology: Creating an Ontology of the Cosmos(short position paper). DL4KG@ISWC 2022 - [e3]Ernesto Jiménez-Ruiz, Vasilis Efthymiou, Jiaoyan Chen, Vincenzo Cutrona, Oktie Hassanzadeh, 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), Virtual conference, October 27, 2021. CEUR Workshop Proceedings 3103, CEUR-WS.org 2022 [contents] - [i9]Nikolaos Fanourakis, Vasilis Efthymiou, Dimitris Kotzinos, Vassilis Christophides:
Knowledge Graph Embedding Methods for Entity Alignment: An Experimental Review. CoRR abs/2203.09280 (2022) - [i8]Abdul Quamar, Vasilis Efthymiou, Chuan Lei, Fatma Özcan:
Natural Language Interfaces to Data. CoRR abs/2212.13074 (2022) - 2021
- [j5]Vassilis Christophides, Vasilis Efthymiou, Themis Palpanas, George Papadakis, Kostas Stefanidis:
An Overview of End-to-End Entity Resolution for Big Data. ACM Comput. Surv. 53(6): 127:1-127:42 (2021) - [c26]Shqiponja Ahmetaj, Vasilis Efthymiou, Ronald Fagin, Phokion G. Kolaitis, Chuan Lei, Fatma Özcan, Lucian Popa:
Ontology-Enriched Query Answering on Relational Databases. AAAI 2021: 15247-15254 - [c25]Vasilis Efthymiou, Kostas Stefanidis, Evaggelia Pitoura, Vassilis Christophides:
FairER: Entity Resolution With Fairness Constraints. CIKM 2021: 3004-3008 - [c24]Alexandros Vassiliades, Theodore Patkos, Vasilis Efthymiou, Antonis Bikakis, Nick Bassiliades, Dimitris Plexousakis:
Object-Action Association Extraction from Knowledge Graphs. SEMANTiCS 2021: 241-254 - [c23]Rana Alotaibi, Chuan Lei, Abdul Quamar, Vasilis Efthymiou, Fatma Özcan:
Property Graph Schema Optimization for Domain-Specific Knowledge Graphs. ICDE 2021: 924-935 - [c22]Junheng Hao, Chuan Lei, Vasilis Efthymiou, Abdul Quamar, Fatma Özcan, Yizhou Sun, Wei Wang:
MEDTO: Medical Data to Ontology Matching Using Hybrid Graph Neural Networks. KDD 2021: 2946-2954 - [c21]Vincenzo Cutrona, Jiaoyan Chen, Vasilis Efthymiou, Oktie Hassanzadeh, Ernesto Jiménez-Ruiz, Juan Sequeda, Kavitha Srinivas, Nora Abdelmageed, Madelon Hulsebos, Daniela Oliveira, Catia Pesquita:
Results of SemTab 2021. SemTab@ISWC 2021: 1-12 - [c20]Katerina Papantoniou, Vasilis Efthymiou, Giorgos Flouris:
EL-NEL: Entity Linking for Greek News Articles. ISWC (Posters/Demos/Industry) 2021 - [c19]Fatma Özcan, Chuan Lei, Abdul Quamar, Vasilis Efthymiou:
Semantic enrichment of data for AI applications. DEEM@SIGMOD 2021: 4:1-4:7 - [c18]Alina Vretinaris, Chuan Lei, Vasilis Efthymiou, Xiao Qin, Fatma Özcan:
Medical Entity Disambiguation Using Graph Neural Networks. SIGMOD Conference 2021: 2310-2318 - [i7]Alina Vretinaris, Chuan Lei, Vasilis Efthymiou, Xiao Qin, Fatma Özcan:
Medical Entity Disambiguation Using Graph Neural Networks. CoRR abs/2104.01488 (2021) - [i6]Venkata Vamsikrishna Meduri, Abdul Quamar, Chuan Lei, Vasilis Efthymiou, Fatma Ozcan:
BI-REC: Guided Data Analysis for Conversational Business Intelligence. CoRR abs/2105.00467 (2021) - [i5]George Papadakis, Vasilis Efthymiou, Emanouil Thanos, Oktie Hassanzadeh:
Bipartite Graph Matching Algorithms for Entity Resolution: An Empirical Evaluation. CoRR abs/2112.14030 (2021) - 2020
- [j4]Jaydeep Sen, Chuan Lei, Abdul Quamar, Fatma Özcan, Vasilis Efthymiou, Ayushi Dalmia, Greg Stager, Ashish R. Mittal, Diptikalyan Saha, Karthik Sankaranarayanan:
ATHENA++: Natural Language Querying for Complex Nested SQL Queries. Proc. VLDB Endow. 13(11): 2747-2759 (2020) - [j3]Vasilis Efthymiou, Kostas Stefanidis, Vassilis Christophides:
Benchmarking Blocking Algorithms for Web Entities. IEEE Trans. Big Data 6(2): 382-395 (2020) - [c17]Xue Han, Lianxue Hu, Jaydeep Sen, Yabin Dang, Buyu Gao, Vatche Isahagian, Chuan Lei, Vasilis Efthymiou, Fatma Özcan, Abdul Quamar, Ziming Huang, Vinod Muthusamy:
Bootstrapping Natural Language Querying on Process Automation Data. SCC 2020: 170-177 - [c16]Chuan Lei, Vasilis Efthymiou, Rebecca Geis, Fatma Ozcan:
Expanding Query Answers on Medical Knowledge Bases. EDBT 2020: 567-578 - [c15]Ernesto Jiménez-Ruiz, Oktie Hassanzadeh, Vasilis Efthymiou, Jiaoyan Chen, Kavitha Srinivas:
SemTab 2019: Resources to Benchmark Tabular Data to Knowledge Graph Matching Systems. ESWC 2020: 514-530 - [c14]Ernesto Jiménez-Ruiz, Oktie Hassanzadeh, Vasilis Efthymiou, Jiaoyan Chen, Kavitha Srinivas, Vincenzo Cutrona:
Results of SemTab 2020. SemTab@ISWC 2020: 1-8 - [c13]Abdul Quamar, Chuan Lei, Dorian Miller, Fatma Ozcan, Jeffrey T. Kreulen, Robert J. Moore, Vasilis Efthymiou:
An Ontology-Based Conversation System for Knowledge Bases. SIGMOD Conference 2020: 361-376 - [c12]Fatma Ozcan, Abdul Quamar, Jaydeep Sen, Chuan Lei, Vasilis Efthymiou:
State of the Art and Open Challenges in Natural Language Interfaces to Data. SIGMOD Conference 2020: 2629-2636 - [e2]Ernesto Jiménez-Ruiz, Oktie Hassanzadeh, Kavitha Srinivas, Vasilis Efthymiou, Jiaoyan Chen:
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. CEUR Workshop Proceedings 2553, CEUR-WS.org 2020 [contents] - [e1]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), Virtual conference (originally planned to be in Athens, Greece), November 5, 2020. CEUR Workshop Proceedings 2775, CEUR-WS.org 2020 [contents] - [i4]Chuan Lei, Rana Alotaibi, Abdul Quamar, Vasilis Efthymiou, Fatma Özcan:
Property Graph Schema Optimization for Domain-Specific Knowledge Graphs. CoRR abs/2003.11580 (2020) - [i3]Vasilis Efthymiou, Kostas Stefanidis, Vassilis Christophides:
Benchmarking Blocking Algorithms for Web Entities. CoRR abs/2005.09399 (2020)
2010 – 2019
- 2019
- [c11]Vasilis Efthymiou, George Papadakis, Kostas Stefanidis, Vassilis Christophides:
MinoanER: Schema-Agnostic, Non-Iterative, Massively Parallel Resolution of Web Entities. EDBT 2019: 373-384 - [i2]Vasilis Efthymiou, George Papadakis, Kostas Stefanidis, Vassilis Christophides:
MinoanER: Schema-Agnostic, Non-Iterative, Massively Parallel Resolution of Web Entities. CoRR abs/1905.06170 (2019) - [i1]Vassilis Christophides, Vasilis Efthymiou, Themis Palpanas, George Papadakis, Kostas Stefanidis:
End-to-End Entity Resolution for Big Data: A Survey. CoRR abs/1905.06397 (2019) - 2018
- [c10]Vasilis Efthymiou, George Papadakis, Kostas Stefanidis, Vassilis Christophides:
Simplifying Entity Resolution on Web Data with Schema-Agnostic, Non-Iterative Matching. ICDE 2018: 1296-1299 - 2017
- [b2]Vasilis Efthymiou:
Entity resolution in the web of data. University of Crete, Greece, 2017 - [j2]Vasilis Efthymiou, George Papadakis, George Papastefanatos, Kostas Stefanidis, Themis Palpanas:
Parallel meta-blocking for scaling entity resolution over big heterogeneous data. Inf. Syst. 65: 137-157 (2017) - [c9]Kostas Stefanidis, Vassilis Christophides, Vasilis Efthymiou:
Web-Scale Blocking, Iterative and Progressive Entity Resolution. ICDE 2017: 1459-1462 - [c8]Vasilis Efthymiou, Oktie Hassanzadeh, Mariano Rodriguez-Muro, Vassilis Christophides:
Matching Web Tables with Knowledge Base Entities: From Entity Lookups to Entity Embeddings. ISWC (1) 2017: 260-277 - 2016
- [j1]Patrice Caire, Assaad Moawad, Vasilis Efthymiou, Antonis Bikakis, Yves Le Traon:
Privacy challenges in Ambient Intelligence systems. J. Ambient Intell. Smart Environ. 8(6): 619-644 (2016) - [c7]Vasilis Efthymiou, Kostas Stefanidis, Vassilis Christophides:
Minoan ER: Progressive Entity Resolution in the Web of Data. EDBT 2016: 670-671 - [c6]Vasilis Efthymiou, Oktie Hassanzadeh, Mohammad Sadoghi, Mariano Rodriguez-Muro:
Annotating web tables through ontology matching. OM@ISWC 2016: 229-230 - 2015
- [b1]Vassilis Christophides, Vasilis Efthymiou, Kostas Stefanidis:
Entity Resolution in the Web of Data. Synthesis Lectures on the Semantic Web: Theory and Technology, Morgan & Claypool Publishers 2015, ISBN 978-3-031-79467-4 - [c5]Vasilis Efthymiou, Kostas Stefanidis, Vassilis Christophides:
Big data entity resolution: From highly to somehow similar entity descriptions in the Web. IEEE BigData 2015: 401-410 - [c4]Vasilis Efthymiou, George Papadakis, George Papastefanatos, Kostas Stefanidis, Themis Palpanas:
Parallel meta-blocking: Realizing scalable entity resolution over large, heterogeneous data. IEEE BigData 2015: 411-420 - [c3]Vasilis Efthymiou, Kostas Stefanidis, Eirini Ntoutsi:
Top-k computations in MapReduce: A case study on recommendations. IEEE BigData 2015: 2820-2822 - 2014
- [c2]Kostas Stefanidis, Vasilis Efthymiou, Melanie Herschel, Vassilis Christophides:
Entity resolution in the web of data. WWW (Companion Volume) 2014: 203-204 - 2012
- [c1]Maria Koutraki, Vasilis Efthymiou, Grigoris Antoniou:
S-CRETA: Smart Classroom Real-Time Assistance. ISAmI 2012: 67-74
Coauthor Index
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