Marcelo Arenas, Claudio Gutierrez, Jorge Pérez. An Extension of SPARQL for RDFS. In Vassilis Christophides, Martine Collard, Claudio Gutierrez, editors, Semantic Web, Ontologies and Databases, VLDB Workshop, SWDB-ODBIS 2007, Vienna, Austria, September 24, 2007, Revised Selected Papers. Volume 5005 of Lecture Notes in Computer Science, pages 1-20, Springer, 2007. [doi]
Abstract is missing.