Date Added: Jul 2012
It is known that Ontologies can be used to describe and formalize knowledge to represent user profiles in personalized web information collection. Though, there are many models adopted to represent user profiles either from a global knowledge base or a user local information repository. In this paper, a customized ontological-based model is proposed for representing reasoning among user profiles. The proposed ontology model learns ontological user profiles which include world knowledge base and the instance of local user repositories.