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174
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CP
2004
Springer
15 years 12 months ago
2004
Springer
The paper introduces value precedence on integer and set sequences. A useful application of the notion is in breaking symmetries of indistinguishable values, an important class of ...
160
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ICMT
2009
Springer
15 years 11 months ago
2009
Springer
Abstract. Constraint programming holds many promises for model driven software development (MDSD). Up to now, constraints have only started to appear in MDSD modeling languages, bu...
177
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VLDB
1993
ACM
15 years 10 months ago
1993
ACM
The enforcement of semantic integrity constraints in data and knowledge bases constitutea a major performance bottleneck. Integrity constraint simplification methods aim at reduci...
170
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FLOPS
2008
Springer
15 years 8 months ago
2008
Springer
Abstract. The paper introduces a collection of knowledge representation languages, V(C), parametrised over a class C of constraints. V(C) is an extension of both CR-Prolog and CASP...
168
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TC
1997
15 years 8 months ago
1997
In this paper we describe a new approach to repairing violations of integrity constraints in databases with null values. By adopting basic concepts from model-based diagnosis, we ...