Organizing Role-concepts in Ontology Development Environment: Hozo
نویسندگان
چکیده
In this research, we aim to enhance descriptive quality of role-concept in our ontology development system Hozo. Based on some fundamental theories of ontology, we can define a “concept” of a role which an object plays in a context, although that is treated as one kind of “property” in most of the ontology development systems. When constructing an ontology, discrimination of role-concepts from the other concepts helps to develop a theoretically sound ontology which describes definitions of concepts properly based on ontological theories. So, we have been developing a framework for definition of role-concepts in Hozo. In this paper, we extend the framework for the specification of a hierarchy of role-concepts such as teacher, husband, commodity, etc. differentiated from the other concepts such as human, apple, etc., and we present how to treat the relations between these two kinds of hierarchies of concepts.
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