Carlo Wouters Tharam S. Dillon J. Wenny Rahayu Elizabeth Chang A Practical Walkthrough of the Ontology Derivation Rules. 259-268 2002 conf/dexa/2002 DEXA http://link.springer.de/link/service/series/0558/bibs/2453/24530259.htm db/conf/dexa/dexa2002.html#WoutersDRC02