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arxiv: 0909.4456 · v1 · submitted 2009-09-24 · 💻 cs.AI

The Weighted CFG Constraint

classification 💻 cs.AI
keywords algorithmconstraintpropagationweightedarithmeticconsistencyconstraintsdecomposed
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We introduce the weighted CFG constraint and propose a propagation algorithm that enforces domain consistency in $O(n^3|G|)$ time. We show that this algorithm can be decomposed into a set of primitive arithmetic constraints without hindering propagation.

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