Web Reasoning and Rule Systems 5th International Conference, RR 2011, Galway, Ireland, August 29-30, 2011, Proceedings Rudolph Sebastian Heftet / 2011 / Engelsk
Semantic Web, Ontologies and Databases VLDB Workshop, SWDB-ODBIS 2007, Vienna, Austria, September 24, 2007, Revised Selected Papers Christophides, Vassilis Heftet / 2008 / Engelsk
