Revistes Catalanes amb Accés Obert (RACO)

The application of generalized constraints to object-oriented database models

Guy De Tré, Rita De Caluwe


A formal framework for a generalised object-oriented database
model is presented, which is able to cope with fuzzy and uncertain
information. This model is obtained as a generalisation of a crisp
object-oriented database model, which is consistent with the ODMG
de facto standard and is built upon an algebraic type system and a
constraint system. Generalised constraints have been used to
enforce integrity rules and to specify the formal semantics of the
database model.

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