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- W1578178720 abstract "Given a family of subsets S = {S1, . . . , Sm} over a set of elements X = {x1, . . . , xn} and an integer p, max k-set cover consists of finding a set T of at most k subsets covering at least p elements. This problem, when parameterized by k, can be easily shown to be W[2]-hard. Here, we settle the parameterized complexity of max k-set cover under several parameters as max{k,_}, where _ = maxi{|Si|}, p and max{k, f}, where f = maxi |{j|xi 2 Sj}|. We also study parameterized approximability of the problem with respect to parameters k and p. We also study parameterization of a satisfiability problem that is linked to max k-set cover in a sense explained in the paper. Finally, we sketch an enhancement of the classes of the W[*] that seems more appropriate for showing completeness of hard W[*]-problems." @default.
- W1578178720 created "2016-06-24" @default.
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- W1578178720 date "2013-09-18" @default.
- W1578178720 modified "2023-09-27" @default.
- W1578178720 title "Parameterized algorithms for the max k-set cover and related satisfiability problems" @default.
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