In this paper, we show that there exists a (k, ε)-coreset for k-median and k-means clustering of n points in Rd, which is of size independent of n. In particular, we construct a (k, ε)-coreset of size O(k2/εd) for k-median clustering, and of size O(k3/εd+1) for k-means clustering.
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机译：在本文中，我们表明，存在（k，ε）-coreet，用于k中位数和k-means在r d 中的n点聚类，其尺寸与n无关。特别地，我们构建用于k中位聚类的尺寸O（k 2 /ε d ），尺寸o（k 用于K-means聚类的Sup> 3 /ε d + 1 。
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