Δημοσιεύσεις

Leveraging Double Simulation to Efficiently Evaluate Hybrid Patterns on Data Graphs. Xiaoying Wu, Dimitri Theodoratos, Dimitrios Skoutas, Michael Lan. WISE: 255-269, 2020

Mv-Index: An Efficient Index for Graph-Query Containment. Theofilos Mailis, Yannis Kotidis, Vaggelis Nikolopoulos, Evgeny Kharlamov, Ian Horrocks, Yannis E. Ioannidis. ISWC (Satellites): 193-196, 2019

Efficiently Computing Homomorphic Matches of Hybrid Pattern Queries on Large Graphs . Xiaoying Wu, Dimitri Theodoratos, Dimitrios Skoutas, Michael Lan. 21st International Conference on Big Data Analytics and Knowledge Discovery (DaWaK 2019), 2019 

Evaluating Mixed Patterns on Large Data Graphs Using Bitmap Views. Xiaoying Wu, Dimitri Theodoratos, Dimitrios Skoutas, Michael Lan . 24th International Conference on Database Systems for Advanced Applications (DASFAA) 2019: 553-570, 2019 

graphVizdb: A Scalable Platform for Interactive Large Graph Visualization. N. Bikakis, J. Liagouris, M. Krommyda, G. Papastefanatos, T.Sellis. In 32nd IEEE International Conference on Data Engineering(ICDE 2016) - Demo, Helsinki, Finland, May 2016, 2016 

Double Chain-Star: an RDF indexing scheme for fast processing of SPARQL joins. Marios Meimaris, George Papastefanatos. 19th International Conference on Extending Database Technology, EDBT 2016, Bordeaux, France, March 15-16, 2016 

Scalable Public Transportation Queries on the Database. Alexandros Efentakis. 19th International Conference on Extending DatabaseTechnology, (EDBT 2016), 2016 

RDF Resource Search and Exploration with LinkZoo. Marios Meimaris, George Alexiou, Katerina Gkirtzou, George Papastefanatos, Theodore Dalamagas. In DATA 2015 pp. 232-239, 2015 

COLD. Revisiting Hub Labels on the Database for Large-Scale Graphs. Alexandros Efentakis, Christodoulos Efstathiades, Dieter Pfoser. 14th International Symposium on Spatial and Temporal Databases (SSTD 2015), 2015 

Degeneracy-based Real-Time Sub-Event Detection in Twitter Stream. Polykarpos Meladianos, Giannis Nikolentzos, Francois Rousseau, Yannis Stavrakas, and Michalis Vazirgiannis. The 9TH International AAAI Conference on Web and Social Media (ICWSM-15), May 2015, 2015 

Towards a Framework for Managing Evolving Information Resources on the Data Web. Marios Meimaris, George Papastefanatos, Christos Pateritsas, Theodora Galani, Yannis Stavrakas. 1st International Workshop on Dataset PROFIling & fEderated Search for Linked Data (PROFILES) 2014, collocated with ESWC 2014, electronic proceedings in CEUR-WS vol. 1151, 2014 

A Platform for Supporting Data Analytics on Twitter: Challenges and Objectives. Yannis Stavrakas, and Vassilis Plachouras. Workshop on Knowledge Extraction and Consolidation from Social Media (KECSM 2012), Boston, USA, November 2012, 2012 

Efficient Data Management in Support of Shortest-Path Computation. Alexandros Efentakis, Dieter Pfoser, Agnes Voisard. 4th ACM SIGSPATIAL International Workshop on Computational Transportation Science, 2011 

Evaluating Reachability Queries over Path Collections. Panagiotis Bouros, Spiros Skiadopoulos, Theodore Dalamagas, Dimitris Sacharidis, Timos Sellis. SSDBM 2009: 398-416, 2009 

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

Evaluating Path Queries over Frequently Updated Route Collections. P. Bouros, D. Sacharidis, T. Dalamagas, S. Skiadopoulos, T. Sellis. TKDE, 2011

Storing and querying M-XML documents using relational databases. Ionas Iona. School of Electrical and Computer Engineering, NTUA, 2009