期刊文献+

求解双背包约束下下模集函数最大问题的近似算法及其性能保证

Approximation Algorithm Solution to Maximum Problem of Submodular Set Function under the Double Knapsacks Constraint and Its Performance Guarantee
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摘要 对双背包约束条件下下模函数最大值问题用近似算法求解,其性能保证为1-e-1,该算法的时间复杂性为ο(n5). In this paper, we obtain an (1 -e-1)-approximation alforithm for maximizing a nondecreasing submodular set function subject to double/knapsack constraint. This algorithm requireso( n5)time complexity.
出处 《洛阳理工学院学报(自然科学版)》 2009年第3期56-59,共4页 Journal of Luoyang Institute of Science and Technology:Natural Science Edition
关键词 下模函数 近似算法 性能保证 Submodular function Approximation algorithm Performance guarantee
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参考文献8

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