Evaluating conjunctive and graph queries over the EL profile of OWL 2 by Stefanoni, G

Answering conjunctive queries over EL knowledge bases with transitive and reflexive roles by Stefanoni, G, Motik, B

Estimating the cardinality of conjunctive queries over RDF data using graph summarisation by Stefanoni, G, Motik, B, Kostylev, E

Small Datalog Query Rewritings for EL by Stefanoni, G, Motik, B, Horrocks, I

Introducing Nominals to the Combined Query Answering Approaches for EL by Stefanoni, G, Motik, B, Horrocks, I

Introducing Nominals to the Combined Query Answering Approaches for EL by Stefanoni, G, Motik, B, Horrocks, I

The complexity of answering conjunctive and navigational queries over OWL 2 EL knowledge bases by Stefanoni, G, Motik, B, Krötzsch, M, Rudolph, S

The Complexity of Answering Conjunctive and Navigational Queries over OWL 2 EL Knowledge Bases by Stefanoni, G, Motik, B, Krötzsch, M, Rudolph, S

Reasoning about Explanations for Negative Query Answers in DL−Lite by Calvanese, D, Ortiz, M, Simkus, M, Stefanoni, G

The Complexity of Conjunctive Query Abduction in DL−Lite by Calvanese, D, Ortiz, M, Simkus, M, Stefanoni, G

Web−based Graphical Querying of Databases through an Ontology: the WONDER System by Calvanese, D, Keet, C, Nutt, W, Stefanoni, G

The Complexity of Explaining Negative Query Answers in DL−Lite by Calvanese, D, Ortiz, M, Simkus, M, Stefanoni, G

The combined approach to query answering beyond the OWL 2 profiles. by Feier, C, Carral, D, Stefanoni, G, Grau, B, Horrocks, I

Web−based graphical querying of databases through an ontology: the Wonder system by Calvanese, D, Keet, C, Nutt, W, Rodriguez−Muro, M, Stefanoni, G