The functional data model and the data languages DAPLEX
ACM Transactions on Database Systems (TODS)
Update semantics of relational views
ACM Transactions on Database Systems (TODS)
The entity-relationship model—toward a unified view of data
ACM Transactions on Database Systems (TODS) - Special issue: papers from the international conference on very large data bases: September 22–24, 1975, Framingham, MA
A relational model of data for large shared data banks
Communications of the ACM
FQL: a functional query language
SIGMOD '79 Proceedings of the 1979 ACM SIGMOD international conference on Management of data
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Basic notions of the HIT data model are presented. The model is based on the notion of function and uses the apparatus Of the typed lambda-calculus which enables clean and transparent formulation of the data base concepts at various levels of description.