Istituto di Scienza e Tecnologie dell'Informazione     
Aquilino D., Asirelli P., Renso C., Turini F. An operator for composing deductive DB with theories of constraints. In: Proceedings of theWorkshop Advances in Logic-Bases Database Languages (Prague, 9 Jan. 1995).
An operation for restricting deductive databases represented as logic programs is introduced. The restrictions are represented in a separate deductive database. The operation is given an abstract semantics in terms of the immediate consequence operator. A transformational implementation is given and its correctness is proved with respect to the abstract semantics.
Subject Deductive DB
H.2.3 Database (persistent) programming languages

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