Reinhard Pichler Axel Polleres Fang Wei Stefan Woltran dRDF: Entailment for Domain-Restricted RDF. 200-214 2008 ESWC http://dx.doi.org/10.1007/978-3-540-68234-9_17 conf/esws/2008 db/conf/esws/eswc2008.html#PichlerPWW08