Egor V. Kostylev, Bernardo Cuenca Grau. On the Semantics of SPARQL Queries with Optional Matching under Entailment Regimes. In Peter Mika, Tania Tudorache, Abraham Bernstein, Chris Welty, Craig A. Knoblock, Denny Vrandecic, Paul T. Groth, Natasha F. Noy, Krzysztof Janowicz, Carole A. Goble, editors, The Semantic Web - ISWC 2014 - 13th International Semantic Web Conference, Riva del Garda, Italy, October 19-23, 2014. Proceedings, Part II. Volume 8797 of Lecture Notes in Computer Science, pages 374-389, Springer, 2014. [doi]
Abstract is missing.