Publications

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 

Hierarchical Property Set Merging for SPARQL Query Optimization . Marios Meimaris, George Papastefanatos, P. Vassiliadis. In Proceedings of the 22nd International Workshop on Design, Optimization, Languages and Analytical Processing of Big Data co-located with EDBT/ICDT 2020 Joint Conference, Copenhagen, Denmark, March 30, 2020 (Best Paper award), 2020 

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

RawVis: Visual Exploration over Raw Data. N. Bikakis, S. Maroulis, G. Papastefanatos, P. Vassiliadis. In 22nd European Conference on Advances in Databases and Information Systems (ADBIS 2018), September 2-5, Budapest, Hungary, 2018 

Extraction of Embedded Queries via Static Analysis of Host Code. P. Manousis, A. Zarras, P. Vassiliadis, G. Papastefanatos. In 29th International Conference on Advanced Information Systems Engineering (CAiSE'17), 12-16 June 2017, Essen, Germany, 2017 

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 

Computational Methods and Optimizations for Containment and Complementarity in Web Data Cubes. M. Meimaris, G. Papastefanatos, P. Vassiliadis, I. Anagnostopoulos. Information Systems 75: 56-74 (2018)., 2018 

Impact Analysis and Policy-Conforming Rewriting of Evolving Data-Intensive Ecosystems. Petros Manousis, Panos Vassiliadis, George Papastefanatos. Journal on Data Semantics 4(4): 231-267 (2015), 2015 

Schema Evolution for Databases and Data Warehouses. Petros Manousis, Panos Vassiliadis, Apostolos Zarras, George Papastefanatos. Lecture Notes in Business Information Processing (253), Springer 2016, ISBN 978-3-319-39242-4, 2016