| http://www.w3.org/ns/prov#value | - In activation network problems we are given a directed or undirected graph G???=???(V,E) with a family {f uv : (u,v)?????????E} of monotone non-decreasing activation functions from D2 to {0,1}, where D is a constant-size subset of the non-negative real numbers, and the goal is to find activation values xv for all v?????????V of minimum total cost ??????v?????????V x v such that the activated set o
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