AbstractThe purpose of the chapter is to help someone familiar with DLs to understand theissues involved in developing an ontology for some universe of discourse, which is tobecome a conceptual model or knowledge base represented and reasoned with usingDescription Logics.We briefly review the purposes and history of conceptual modeling, and then usethe domain of a university library to illustrate an approach to conceptual model-ing that combines general ideas of object-centered modeling with a look at specialmodeling/ontological problems, and DL-specific solutions to them.Among the ontological issues considered are the nature of individuals, the conceptspecialization, non-binary relationships, materialization, aspects of part-whole rela-tionships, and epistemic aspects of individual knowledge.
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