The expressive power of valued constraints: Hierarchies and collapses

In this paper we investigate the ways in which a fixed collection of valued constraints can be combined to express other valued constraints. We show that in some cases a large class of valued constraints, of all possible arities, can be expressed by using valued constraints of a fixed finite arity....

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Príomhchruthaitheoirí: Cohen, D, Jeavons, P, Živný, S
Formáid: Journal article
Foilsithe / Cruthaithe: 2008

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