Approximating the Unweighted k-Set Cover Problem: Greedy Meets Local Search
2007 ◽
pp. 290-301
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2009 ◽
Vol 23
(1)
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pp. 251-264
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2017 ◽
Vol 689
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pp. 96-107
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1997 ◽
Vol 73
(1)
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pp. 13-22
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2012 ◽
pp. 626-632
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