METHOD FOR BUILDING DOMAIN ONTOLOGY, GENERATING USER PROFILE BASED ON DOMAIN ONTOLOGY, APPARATUS FOR RECOMMENDING DOCUMENT USING PERSONALIZED QUERY EXPANSION

摘要

A method for building domain ontology is disclosed. The method includes generating ontology definition including classes and properties therebetween based on a product structure to be developed; generating class objects and property objects therebetween, that is, relations, based on the generated ontology definition; and defining synonym of each of the class objects.