Clustering with Label Consistency

Fuente: arXiv
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Autores principales: Chakraborty, Diptarka, Fichtenberger, Hendrik, Haeupler, Bernhard, Lattanzi, Silvio, Norouzi-Fard, Ashkan, Svensson, Ola
Formato: Preprint
Publicado: 2025
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author Chakraborty, Diptarka
Fichtenberger, Hendrik
Haeupler, Bernhard
Lattanzi, Silvio
Norouzi-Fard, Ashkan
Svensson, Ola
author_facet Chakraborty, Diptarka
Fichtenberger, Hendrik
Haeupler, Bernhard
Lattanzi, Silvio
Norouzi-Fard, Ashkan
Svensson, Ola
contents Designing efficient, effective, and consistent metric clustering algorithms is a significant challenge attracting growing attention. Traditional approaches focus on the stability of cluster centers; unfortunately, this neglects the real-world need for stable point labels, i.e., stable assignments of points to named sets (clusters). In this paper, we address this gap by initiating the study of label-consistent metric clustering. We first introduce a new notion of consistency, measuring the label distance between two consecutive solutions. Then, armed with this new definition, we design new consistent approximation algorithms for the classical $k$-center and $k$-median problems.
format Preprint
id arxiv_https___arxiv_org_abs_2512_19654
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Clustering with Label Consistency
Chakraborty, Diptarka
Fichtenberger, Hendrik
Haeupler, Bernhard
Lattanzi, Silvio
Norouzi-Fard, Ashkan
Svensson, Ola
Data Structures and Algorithms
Artificial Intelligence
Designing efficient, effective, and consistent metric clustering algorithms is a significant challenge attracting growing attention. Traditional approaches focus on the stability of cluster centers; unfortunately, this neglects the real-world need for stable point labels, i.e., stable assignments of points to named sets (clusters). In this paper, we address this gap by initiating the study of label-consistent metric clustering. We first introduce a new notion of consistency, measuring the label distance between two consecutive solutions. Then, armed with this new definition, we design new consistent approximation algorithms for the classical $k$-center and $k$-median problems.
title Clustering with Label Consistency
topic Data Structures and Algorithms
Artificial Intelligence
url https://arxiv.org/abs/2512.19654