TY - GEN A1 - Analyti, Anastasia A1 - Antoniou, Grigoris A1 - Viegas, Carlos A1 - Wagner, Gerd T1 - Extended RDF as a Semantic Foundation of Rule Markup Languages Y1 - 2011 UR - https://opus4.kobv.de/opus4-UBICO/frontdoor/index/index/docId/6152 ER -