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....
| Главные авторы: | , , |
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| Формат: | Journal article |
| Опубликовано: |
2008
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