Loredana Laera Valentina A. M. Tamma Trevor J. M. Bench-Capon Giovanni Semeraro SweetProlog: A System to Integrate Ontologies and Rules. 188-193 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3323&spage=188 2004 conf/ruleml/2004 RuleML db/conf/ruleml/ruleml2004.html#LaeraTBS04