Abstract

CONCEPT D is a visual language that supports conceptual modeling of the universe of discourse (UoD), the development of a conceptual schema, and the use of the application database corresponding the conceptual schema. The language is based on the intentional approach to conceptual modeling, i.e., the description of knowledge in concepts is emphasized instead of extensions of these concepts. The language contains three sublanguages: one for knowledge acquisition about concepts used in the UoD and developing graphic descriptions of concept definition hierarchies, one for describing conceptual schemata of the UoD, and one for interacting with the application of the database. >

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