Publications

VisualFacts: A Platform for In-Situ Visual Exploration and Real-Time Entity Resolution. George Papastefanatos, Giorgos Alexiou, Nikos Bikakis, Stavros Maroulis, Vassilis Stamatopoulos. EDBT'22 Workshops , 2022 

RawVis: A System for Efficient In-situ Visual Analytics. Stavros Maroulis, Nikos Bikakis, George Papastefanatos, Panos Vassiliadis, Yannis Vassiliou. In SIGMOD 2021, Xi'an, Shaanxi, China, June 20 - 25, 2021 (Demo Paper), 2021 

Adaptive Indexing for In-situ Visual Exploration and Analytics. Stavros Maroulis, Nikos Bikakis, George Papastefanatos, Panos Vassiliadis, Yannis Vassiliou. In Proceedings of the 23rd International Workshop on Design, Optimization, Languages and Analytical Processing of Big Data co-located with EDBT/ICDT 2021 Joint Conference, DOLAP@EDBT/ICDT 2021, Nicosia, Cyprus, 2021 

Big Data Visualization and Analytics: Future Research Challenges and Emerging Applications. G. L. Andrienko, N.V. Andrienko, S. Mark Drucker, J-D Fekete, D. Fisher, S. Idreos, T. Kraska, G. Li, K-L Ma, J.D. Mackinlay, A. Oulasvirta, T. Schreck, H. Schumann, M. Stonebraker, D. Auber, N. Bikakis, P. K. Chrysanthis, G. Papastefanatos, M.A. Sha. In 3rd International Workshop on Big Data Visual Exploration and Analytics (BigVis2020) co-located with EDBT/ICDT 2020 Joint Conference Copenhagen, Denmark, March 30, 2020, 2020 

A Comparative Study of State-of-The-Art Linked Data Visualization Tools. Federico Desimoni, Nikos Bikakis, Laura Po, George Papastefanatos. In VOILA Workshop, jointly with ISWC 2020, 2020 

Merging RDF Characteristic Sets to Optimize SPARQL Queries. Marios Meimaris, George Papastefanatos. 17th Hellenic Data Management Symposium (HDMS’19), 2019

Merging RDF Characteristic Sets to Optimize SPARQL Queries (Extended Abstract). Marios Meimaris, George Papastefanatos. 13th International Workshop on Information Search, Integration, and Personalization, 9-10 May, 2019, Heraklion, 2019 

RawVis: Visual Exploration over Raw Data. Nikos Bikakis, Stavros Maroulis, George Papastefanatos, Panos Vassiliadis. 17th Hellenic Data Management Symposium (HDMS’19), 2019

Query driven Entity Resolution in Data Lakes. Giorgos Alexiou, G. Papastefanatos. 13th International Workshop on Information Search, Integration, and Personalization, 9-10 May, 2019, Heraklion, 2019 

Resource-aware adaptive indexing for in situ visual exploration and analytics. Stavros Maroulis, Nikos Bikakis, George Papastefanatos, Panos Vassiliadis, Yannis Vassiliou. VLDB J. (32), pages 199–227 (2023), 2023 

Relational schema optimization for RDF-based knowledge graphs. George Papastefanatos, Marios Meimaris, Panos Vassiliadis. Inf. Syst. 104: 101754, 2022 

In-Situ Visual Exploration over Big Raw Data. Nikos Bikakis, Stavros Maroulis, George Papastefanatos, Panos Vassiliadis. In Inf. Syst. 95: 101616 , 2021 

Big Data Exploration, Visualization and Analytics. Nikos Bikakis, George Papastefanatos, Olga Papaemmanouil. Journal on Big Data Research, Vol. 18 (2019). Editorial in Special Issue, 2019 

QueryER: A Framework for Fast Analysis-Aware Deduplication over Dirty Data. Giorgos Alexiou, George Papastefanatos, Vassilis Stamatopoulos, Georgia Koutrika, Nectarios Koziris. TR.2022-1, 2022 

Linked Data Visualization Book Techniques, Tools and Big Data . Laura Po, Nikos Bikakis, Federico Desimoni and George Papastefanatos. Series in Synthesis Lectures on the Semantic Web, In Morgan & Claypool Publishers, 2020. (ISBN: 9781681737256 (softcover) | 9781681737263 (ebook) ISBN: 9781681737270 (hardcover), 2020