The planar k-means problem is NP-hard

The planar k-means problem is NP-hard
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DOI:
10.1016/j.tcs.2010.05.034
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发表时间:
2012-07-13
影响因子:
1.1
通讯作者:
Varadarajan, Kasturi
Varadarajan, Kasturi
中科院分区:
计算机科学4区
文献类型:
--
作者:
Mahajan, Meena;Nimbhorkar, Prajakta;Varadarajan, Kasturi

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在k-均值问题中,我们给定R-m中的有限点集S,整数k >= 1,我们希望找到k个点(中心),以便最小化S中每个点到其最近中心的欧氏距离的平方和。我们证明了这个著名的问题即使在平面上也是NP难的,回答了Dasgupta(2007)[7]提出的一个开放问题。(C)2010 Elsevier B. V.保留所有权利。
In the k-means problem, we are given a finite set S of points in R-m, and integer k >= 1, and we want to find k points (centers) so as to minimize the sum of the square of the Euclidean distance of each point in S to its nearest center. We show that this well-known problem is NP-hard even for instances in the plane, answering an open question posed by Dasgupta (2007) [7]. (C) 2010 Elsevier B.V. All rights reserved.