Querying incomplete information in RDF with SPARQL by Nikolaou, C, Koubarakis, M

Modeling and querying Greek legislation using semantic web technologies by Chalkidis, I, Nikolaou, C, Soursos, P, Koubarakis, M

Building tractable disjunctive constraints by Cohen, D, Jeavons, P, Jonsson, P, Koubarakis, M

Building tractable disjunctive constraints by Cohen, D, Jeavons, P, Jonsson, P, Koubarakis, M

Linked geospatial data by Koubarakis, M, Bereta, K, Nikolaou, C, Stamoulis, G

Nomothesia: A linked data platform for Greek legislation by Angelidis, I, Chalkidis, I, Nikolaou, C, Soursos, P, Koubarakis, M

Distributed Query Processing on the Cloud: the Optique Point of View (Short Paper) by Kllapi, H, Bilidas, D, Horrocks, I, Ioannidis, Y, Jiménez−Ruiz, E, Kharlamov, E, Koubarakis, M, Zheleznyakov, D

Addressing Streaming and Historical Data in OBDA Systems: Optique's Approach (Statement of Interest) by Horrocks, I, Hubauer, T, Jiménez−Ruiz, E, Kharlamov, E, Koubarakis, M, Möller, R, Bereta, K, Neuenstadt, C, Özçep, Ö, Roshchin, M, Smeros, P, Zheleznyakov, D

Managing big, linked, and open earth-observation data: Using the TELEIOS\/LEO software stack by Koubarakis, M, Kyzirakos, K, Nikolaou, C, Garbis, G, Bereta, K, Dogani, R, Giannakopoulou, S, Smeros, P, Savva, D, Stamoulis, G, Vlachopoulos, G, Manegold, S, Kontoes, C, Herekakis, T, Papoutsis, I, Michail, D

Ontology based data access in Statoil by Kharlamov, E, Hovland, D, Skjæveland, MG, Bilidas, D, Jiménez-Ruiz, E, Xiao, G, Soylu, A, Lanti, D, Rezk, M, Zheleznyakov, D, Giese, M, Lie, H, Ioannidis, Y, Kotidis, Y, Koubarakis, M, Waaler, A

A Semantically Enabled Service Architecture for Mashups over Streaming and Stored Data. by Gray, A, Garcia-Castro, R, Kyzirakos, K, Karpathiotakis, M, Calbimonte, J, Page, K, Sadler, J, Frazer, A, Galpin, I, Fernandes, A, Paton, N, Corcho, Ó, Koubarakis, M, Roure, D, Martinez, K, Gómez-Pérez, A

Optique: Towards OBDA Systems for Industry by Kharlamov, E, Jiménez−Ruiz, E, Zheleznyakov, D, Bilidas, D, Giese, M, Haase, P, Horrocks, I, Kllapi, H, Koubarakis, M, Özçep, Ö, Rodriguez−Muro, M, Rosati, R, Schmidt, M, Schlatte, R, Soylu, A, Waaler, A

A semantic sensor web for environmental decision support applications. by Gray, A, Sadler, J, Kit, O, Kyzirakos, K, Karpathiotakis, M, Calbimonte, J, Page, K, García-Castro, R, Frazer, A, Galpin, I, Fernandes, A, Paton, N, Corcho, O, Koubarakis, M, De Roure, D, Martinez, K, Gómez-Pérez, A

Optique: OBDA Solution for Big Data by Calvanese, D, Giese, M, Haase, P, Horrocks, I, Hubauer, T, Ioannidis, Y, Jiménez−Ruiz, E, Kharlamov, E, Kllapi, H, Klüwer, J, Koubarakis, M, Lamparter, S, Möller, R, Neuenstadt, C, Nordtveit, T, Özçep, Ö, Rodriguez−Muro, M, Roshchin, M, Savo, D, Schmidt, M, Soylu, A, Waaler, A, Zheleznyakov, D

Optique: OBDA Solution for Big Data by Calvanese, D, Giese, M, Haase, P, Horrocks, I, Hubauer, T, Ioannidis, Y, Jiménez−Ruiz, E, Kharlamov, E, Kllapi, H, Klüwer, J, Koubarakis, M, Lamparter, S, Möller, R, Neuenstadt, C, Nordtveit, T, Özcep, Ö, ­driguez−MurRoo, M, Roshchin, M, Ruzzi, M, Savo, F, Schmidt, M, Soylu, A, Zheleznyakov, D

The Optique Project: Towards OBDA Systems for Industry (Short Paper) by Calvanese, D, Giese, M, Haase, P, Horrocks, I, Hubauer, T, Ioannidis, Y, Jiménez−Ruiz, E, Kharlamov, E, Kllapi, H, Klüwer, J, Koubarakis, M, Lamparter, S, Möller, R, Neuenstadt, C, Nordtveit, T, Özcep, Ö, ­driguez−MurRoo, M, Roshchin, M, Ruzzi, M, Savo, F, Schmidt, M, Soylu, A, Waaler, A, Zheleznyakov, D