Filtering Algorithms for the Same and UsedBy Constraints
نویسندگان
چکیده
We define the Same and UsedBy constraints. UsedBy takes two sets of variables X and Z such that jX j jZj and assigns values to them such that the multiset of values assigned to the variables in Z is contained in the multiset of values assigned to the variables in X . Same is the special case of UsedBy in which jX j = jZj. We show algorithms that achieve arc-consistency and boundconsistency for these constraints.
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تاریخ انتشار 2004