May 2003
Intermediate to advanced
480 pages
14h 1m
English
Content preview from Constraint Processing
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chapter 11
Tractable Constraint Languages
David Cohen, Royal Holloway, University of London
Peter Jeavons, Oxford University Computing Laboratory
The simplicities of natural laws arise through the complexities of the language we use for their expression.
Eugene Wigner
Practical constraint solvers allow you to define constraint networks and (with luck) solve them. They often define a set of basic constraints that you can apply to variables. These basic constraints may well be called the language of the constraint solver.
Naturally you want to be able to offer some performance guarantees when you generate a constraint network model of a real-world problem using your constraint language. However, if the language allows arbitrary ...
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