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Main Authors: Sharma, Parichit, Stanislaw, Marcin, Kurban, Hasan, Kulekci, Oguzhan, Dalkilic, Mehmet
Format: Preprint
Published: 2025
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Online Access:https://arxiv.org/abs/2508.06353
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author Sharma, Parichit
Stanislaw, Marcin
Kurban, Hasan
Kulekci, Oguzhan
Dalkilic, Mehmet
author_facet Sharma, Parichit
Stanislaw, Marcin
Kurban, Hasan
Kulekci, Oguzhan
Dalkilic, Mehmet
contents This paper introduces Geometric-k-means (or Gk-means for short), a novel approach that significantly enhances the efficiency and energy economy of the widely utilized k-means algorithm, which, despite its inception over five decades ago, remains a cornerstone in machine learning applications. The essence of Gk-means lies in its active utilization of geometric principles, specifically scalar projection, to significantly accelerate the algorithm without sacrificing solution quality. This geometric strategy enables a more discerning focus on data points that are most likely to influence cluster updates, which we call as high expressive data (HE). In contrast, low expressive data (LE), does not impact clustering outcome, is effectively bypassed, leading to considerable reductions in computational overhead. Experiments spanning synthetic, real-world and high-dimensional datasets, demonstrate Gk-means is significantly better than traditional and state of the art (SOTA) k-means variants in runtime and distance computations (DC). Moreover, Gk-means exhibits better resource efficiency, as evidenced by its reduced energy footprint, placing it as more sustainable alternative.
format Preprint
id arxiv_https___arxiv_org_abs_2508_06353
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Geometric-k-means: A Bound Free Approach to Fast and Eco-Friendly k-means
Sharma, Parichit
Stanislaw, Marcin
Kurban, Hasan
Kulekci, Oguzhan
Dalkilic, Mehmet
Machine Learning
This paper introduces Geometric-k-means (or Gk-means for short), a novel approach that significantly enhances the efficiency and energy economy of the widely utilized k-means algorithm, which, despite its inception over five decades ago, remains a cornerstone in machine learning applications. The essence of Gk-means lies in its active utilization of geometric principles, specifically scalar projection, to significantly accelerate the algorithm without sacrificing solution quality. This geometric strategy enables a more discerning focus on data points that are most likely to influence cluster updates, which we call as high expressive data (HE). In contrast, low expressive data (LE), does not impact clustering outcome, is effectively bypassed, leading to considerable reductions in computational overhead. Experiments spanning synthetic, real-world and high-dimensional datasets, demonstrate Gk-means is significantly better than traditional and state of the art (SOTA) k-means variants in runtime and distance computations (DC). Moreover, Gk-means exhibits better resource efficiency, as evidenced by its reduced energy footprint, placing it as more sustainable alternative.
title Geometric-k-means: A Bound Free Approach to Fast and Eco-Friendly k-means
topic Machine Learning
url https://arxiv.org/abs/2508.06353