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Abstract: A relational database is inconsistent if it does not satisfy a given set of integrity constraints. Nevertheless, it is likely that most of the data in it is consistent with the constraints. In this paper we apply logic programming based on answer sets to the problem of retrieving consistent information from a possibly inconsistent database. Since consistent information persists from the original database to every of its minimal repairs, the approach is based on a specification of database... (Update)
Context of citations to this paper: More
...to answer queries. Di#erent representations have been considered in this context: 2.1. Repairs are answer sets of a logic program [4,6,15]. The compact representation is the program, and to obtain consistent answers, one runs the program. 2.2. Repairs are some...
...to answer queries. Di#erent representations have been considered in this context: 2.1. Repairs are answer sets of a logic program [4,6,14,15]. The compact representation is the program, and to obtain consistent answers, one runs the program. 2.2. Repairs are some...
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BibTeX entry: (Update)
M. Arenas, L. Bertossi, and J. Chomicki. Answer Sets for Consistent Query Answering in Inconsistent Databases. Technical Report arXiv:cs.DB/0204094, arXiv.org e-Print archive, July 2002. Under revision for journal publication. http://citeseer.ist.psu.edu/article/arenas02answer.html More
@techreport{ arenas02answer,
author = "M. Arenas and L. Bertossi and J. Chomicki",
title = "Answer Sets for Consistent Query Answering in Inconsistent Databases",
note = "arXiv:cs.DB/0204094,
arXiv.org e-Print archive, July 2002. Under revision for journal publication.",
year = "2002",
url = "citeseer.ist.psu.edu/article/arenas02answer.html" }
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