The editors discuss integrating the conceptual and technical dimensions with a view of the business by using ontologies, by stressing the cost dimension of ontology engineering and by providing guidance on how up-to-date tools help to build, maintain, and the ontology used. Also included Aone-stop reference on all aspects of managing ontological data and best practices on ontology management for the number of the application domain. Ontology Management is designed as a reference or secondary text for researchers and advanced level students studying semantic systems, Semantic Web Services (SWS) and Web Services, information systems, data and knowledge engineering, and the Semantic Web in general.