Tânia C. D'Agostini Bueno Sonali Bedin Fabricia Cancellier Hugo Cesar Hoeschl Evaluating the Effectiveness of a Knowledge Representation Based on Ontology in Ontoweb System. 625-633 2006 conf/fqas/2006 FQAS http://dx.doi.org/10.1007/11766254_53 db/conf/fqas/fqas2006.html#BuenoBCH06