The purpose of the chapter is to help someone familiar with DLs to understand the issues involved in developing an ontology for some universe of discourse, which is to become a conceptual model or knowledge base represented and reasoned with using Description Logics. We briefly review the purposes and history of conceptual modeling, and then use the domain of a university library to illustrate an approach to conceptual modeling that combines general ideas of object-centered modeling with a look at special modeling/ontological problems, and DL-specific solutions to them. Among the ontological issues considered are the nature of individuals, concept specialization, non-binary relationships, materialization, aspects of part-whole relationships, and epistemic aspects of individual knowledge. 10.1 Background Information modeling is concerned with the construction of computer-based symbol structures that model some part of the real world. We refer to such symbol structures as information ...
Alexander Borgida, Ronald J. Brachman