Rules and Rule Markup Languages for the Semantic Web Third International Workshop, RuleML 2004, Hiroshima, Japan, November 8, 2004, Proceedings Antoniou Grigoris Heftet / 2004 / Engelsk
Processing Declarative Knowledge International Workshop PDK '91, Kaiserslautern, Germany, July 1-3, 1991. Proceedings Boley Harold Heftet / 1991 / Engelsk
