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Spherical k-means clustering is a generalization of k-means problem which is NP-hard and has widely applications in data mining. It aims to partition a collection of given data with unit length into k sets so as to minimize the within-cluster sum of cosine dissimilarity. In this paper, we introduce the spherical k-means clustering with penalties and give a 2 max { 2, M} (1 + M) (ln k+ 2) -approximate algorithm, where M is the ratio of the maximal and the minimal penalty values of the given data set. © Springer Nature Switzerland AG 2019.
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ISSN: 0302-9743
Year: 2019
Volume: 11640 LNCS
Page: 149-158
Language: English
0 . 4 0 2
JCR@2005
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count: 3
ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 1
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