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Towards Optimal Lower Bounds for k-median and k-means Coresets. (arXiv:2202.12793v1 [cs.DS])
Feb. 28, 2022, 2:11 a.m. | Vincent Cohen-Addad, Kasper Green Larsen, David Saulpic, Chris Schwiegelshohn
cs.LG updates on arXiv.org arxiv.org
Given a set of points in a metric space, the $(k,z)$-clustering problem
consists of finding a set of $k$ points called centers, such that the sum of
distances raised to the power of $z$ of every data point to its closest center
is minimized. Special cases include the famous k-median problem ($z = 1$) and
k-means problem ($z = 2$). The $k$-median and $k$-means problems are at the
heart of modern data analysis and massive data applications have given raise …
More from arxiv.org / cs.LG updates on arXiv.org
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