Giorgio Stefanoni

According to our database, Giorgio Stefanoni authored at least 15 papers between 2010 and 2020.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2020

Identifying Notable News Stories.

Antonia Saravanou, Giorgio Stefanoni, Edgar Meij

Proceedings of the Advances in Information Retrieval, 2020

2018

Estimating the Cardinality of Conjunctive Queries over RDF Data Using Graph Summarisation.

Giorgio Stefanoni, Boris Motik, Egor V. Kostylev

Proceedings of the 2018 World Wide Web Conference on World Wide Web, 2018

Weakly-supervised Contextualization of Knowledge Graph Facts.

Nikos Voskarides, Edgar Meij, Ridho Reinanda, Abhinav Khaitan, Miles Osborne, Giorgio Stefanoni, Prabhanjan Kambadur, Maarten de Rijke

Proceedings of the 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, 2018

2015

Evaluating conjunctive and graph queries over the EL profile of OWL 2.

Giorgio Stefanoni

PhD thesis, 2015

The Combined Approach to Query Answering Beyond the OWL 2 Profiles.

Cristina Feier, David Carral, Giorgio Stefanoni, Bernardo Cuenca Grau, Ian Horrocks

Proceedings of the Twenty-Fourth International Joint Conference on Artificial Intelligence, 2015

Extending the Combined Approach Beyond Lightweight Description Logics.

Cristina Feier, David Carral, Giorgio Stefanoni, Bernardo Cuenca Grau, Ian Horrocks

Proceedings of the 28th International Workshop on Description Logics, 2015

Answering Conjunctive Queries over EL Knowledge Bases with Transitive and Reflexive Roles.

Giorgio Stefanoni, Boris Motik

Proceedings of the Twenty-Ninth AAAI Conference on Artificial Intelligence, 2015

2014

The Complexity of Answering Conjunctive and Navigational Queries over OWL 2 EL Knowledge Bases.

Giorgio Stefanoni, Boris Motik, Markus Krötzsch, Sebastian Rudolph

J. Artif. Intell. Res., 2014

Answering Conjunctive Queries over $\mathcal{EL}$ Knowledge Bases with Transitive and Reflexive Roles.

Giorgio Stefanoni, Boris Motik

CoRR, 2014

2013

Reasoning about Explanations for Negative Query Answers in DL-Lite.

Diego Calvanese, Magdalena Ortiz, Mantas Simkus, Giorgio Stefanoni

J. Artif. Intell. Res., 2013

Introducing Nominals to the Combined Query Answering Approaches for EL.

Giorgio Stefanoni, Boris Motik, Ian Horrocks

Proceedings of the Twenty-Seventh AAAI Conference on Artificial Intelligence, 2013

2012

The Complexity of Explaining Negative Query Answers in DL-Lite.

Diego Calvanese, Magdalena Ortiz, Mantas Simkus, Giorgio Stefanoni

Proceedings of the Principles of Knowledge Representation and Reasoning: Proceedings of the Thirteenth International Conference, 2012

Small Datalog Query Rewritings for EL.

Giorgio Stefanoni, Boris Motik, Ian Horrocks

Proceedings of the 2012 International Workshop on Description Logics, 2012

2011

The Complexity of Conjunctive Query Abduction in DL-Lite.

Diego Calvanese, Magdalena Ortiz, Mantas Simkus, Giorgio Stefanoni

Proceedings of the 24th International Workshop on Description Logics (DL 2011), 2011

2010

Web-based graphical querying of databases through an ontology: the Wonder system.

Diego Calvanese, C. Maria Keet, Werner Nutt, Mariano Rodriguez-Muro, Giorgio Stefanoni

Proceedings of the 2010 ACM Symposium on Applied Computing (SAC), 2010