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Repairing Databases with Annotated Predicate Logic

By Pablo Barceló and Leopoldo Bertossi

Abstract

Consistent answers from a relational database that violates a given set of integrity constraints are characterized [Arenas et al. 1999] as ordinary answers that can be obtained from every repaired version of the database. In this paper we address the problem of specifying the repairs of a database as the minimal models of a theory written in Annotated Predicate Logic [Kifer et al. 1992a]. The specification is then transformed into a disjunctive logic program with annotation arguments and a stable model semantics. From the program, consistent answers to first order queries are obtained

Publisher: Morgan Kaufmann Publishers
Year: 2002
OAI identifier: oai:CiteSeerX.psu:10.1.1.18.7865
Provided by: CiteSeerX
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