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Abstract: In this paper we describe a new approach to repairing violations of integrity constraints in relational databases with null values. By adopting basic concepts from model-based diagnosis, we show how simultaneous reasons for violations of (different) constraints can be determined. These reasons, represented as sets of facts, directly indicate possible repair actions that guarantee to remove the observed violations. By interleaving the diagnosis of constraint violations and the execution of... (Update)
Context of citations to this paper: More
...simply taking the intersection of the query answers in individual sources and thus it is local. No complexity analysis is provided. Gertz [49,50] described techniques based on model based diagnosis for detecting causes of inconsistencies in databases and computing the...
.... integration and proper representation of amalgamated data is extensively studied in the literature (see, e.g. [8, 12, 22, 24, 25, 31 34, 38, 41]) Common approaches for dealing with this task are based on techniques of belief revision [31] methods of resolving...
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BibTeX entry: (Update)
M. Gertz and U. Lipeck. An extensible framework for repairing constraint violations. In Proc. 1st Working Conf. on Integrity and Internal Control in Information Systems. Chapman & Hall, 1997. http://citeseer.ist.psu.edu/gertz96extensible.html More
@inproceedings{ gertz96extensible,
author = "Michael Gertz",
title = "An Extensible Framework for Repairing Constraint Violations",
booktitle = "Workshop on Foundations of Models and Languages for Data and Objects",
pages = "41--56",
year = "1996",
url = "citeseer.ist.psu.edu/gertz96extensible.html" }
Citations (may not include all citations):1 Automatic Generation of Production Rules for Integrity Maint.. (context) - Computing, London et al. - 1994 ACM DBLP
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