An approximation algorithm is presented for minimizing a nondecreasing supermodular set function, and its performance guarantee is probed.

摘要给出了求解一类上模集函数最小值问题的一种近似算法，并讨论了所给算法的性能保证。

A local search algorithm for minimizing a nondecreasing supermodular set function is presented,and its performance guarantee is probed.

给出了求解一类具有简单约束的上模集函数最小值问题的一种局部搜索法,并讨论了所给算法的性能保证。