Publications

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 

Towards Scalable Visual Exploration of Very Large RDF Graphs. Nikos Bikakis, John Liagouris, Maria Kromida, George Papastefanatos, and Timos Sellis. 12th Extended Semantic Web Conference (ESWC 2015), 2015 

RDivF: Diversifying Keyword Search on RDF Graphs. • Nikos Bikakis, Giorgos Giannopoulos, John Liagouris, Dimitrios Skoutas, Theodore Dalamagas, and Timos Sellis. 17th International Conference on Theory and Practice of Digital Libraries (TPDL '13), 2013 

Mobile Task Computing: Beyond Location-based Services and Ebooks. John Liagouris, Spiros Athanasiou, Alexandros Efentakis, Stefan Pfennigschmidt, Dieter Pfoser, Eleni Tsigka, Agnes Voisard. 10th Int'l Symposium on Web and Wireless Geographical Information Systems (W2GIS), 2011 

Efficient Identification of Implicit Facts in Incomplete OWL2-EL Knowledge Bases. John Liagouris and Manolis Terrovitis . PVLDB 7(14):1993-2004, 2014 

An Effective Encoding Scheme for Spatial RDF Data. John Liagouris, Nikos Mamoulis, Panagiotis Bouros and Manolis Terrovitis. PVLDB 7(12):1271-1282, 2014 

Disassociation for Electronic Health Record Privacy. Grigorios Loukides, John Liagouris, Aris Gkoulalas-Divanis and Manolis Terrovitis. Journal of Biomedical Informatics (to appear), 2014

Privacy Preservation by Disassociation. Manolis Terrovitis, John Liagouris, Nikos Mamoulis, Spiros Skiadopoulos. PVLDB, 5(10), pp 944-955, 2012, 2012 

Efficient Identification of Implicit Facts in Incomplete OWL Knowledge Bases. John Liagouris and Manolis Terrovitis. Technical Report TR-IMIS-2014-1, 2014 

Privacy Preservation by Disassociation. Manolis Terrovitis, John Liagouris, Nikos Mamoulis, Spiros Skiadopoulos. TR-IMIS-2011-1, 2011