The design of a unified data model
A unified data model is presented which offers a superset of the data modelling constructs and semantic integrity constraints of major existing data models. These semantic integrity constraints are both temporal and non-temporal, and are classified by constraint type (attribute, membership, set, tem...
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University of Aberdeen
1986
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| Online Access: | http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.379789 |