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Peer reviewed Peer reviewed
Mihoubi, Houria; Simonet, Ana; Simonet, Michel – Information Systems, 1998
Examines how a domain ontology can be reused by different knowledge representation systems. Describes a meta-language which allows a declarative description of any model based on frames, objects, relations, or description logics. Discusses the meta-relation concept which, associated to a definition, represents the signification of the construct…
Descriptors: Algorithms, Information Systems, Knowledge Representation, Models
Peer reviewed Peer reviewed
Ramesh, Venkatar; Ram, Sudha – Information Systems, 1997
Presents a seven-step methodology for utilizing integrity constraint knowledge from heterogeneous databases. Describes generating a set of integrity constraints applicable at the integrated level from constraints specified on local databases. Introduces the concept of constraint-based relationships between objects in heterogeneous databases;…
Descriptors: Computer System Design, Databases, Information Processing, Information Technology