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Article

Stochastic Approximate Algorithms for Uncertain Constrained K-Means Problem

1
State Key Laboratory of Public Big Data, Guizhou University, Guiyang 550025, China
2
Chongqing Innovation Center of Industrial Big-Data Co., Ltd., Chongqing 400707, China
3
School of Computer Science and Cyber Engineering, Guangzhou University, Guangzhou 510006, China
4
Institute of Computing Science and Technology, Guangzhou University, Guangzhou 510006, China
5
National Engineering Laboratory for Industrial Big-Data Application Technology, Chongqing 400707, China
*
Author to whom correspondence should be addressed.
Mathematics 2022, 10(1), 144; https://doi.org/10.3390/math10010144
Submission received: 25 November 2021 / Revised: 24 December 2021 / Accepted: 27 December 2021 / Published: 4 January 2022

Abstract

The k-means problem has been paid much attention for many applications. In this paper, we define the uncertain constrained k-means problem and propose a (1+ϵ)-approximate algorithm for the problem. First, a general mathematical model of the uncertain constrained k-means problem is proposed. Second, the random sampling properties of the uncertain constrained k-means problem are studied. This paper mainly studies the gap between the center of random sampling and the real center, which should be controlled within a given range with a large probability, so as to obtain the important sampling properties to solve this kind of problem. Finally, using mathematical induction, we assume that the first j1 cluster centers are obtained, so we only need to solve the j-th center. The algorithm has the elapsed time O((1891ekϵ2)8k/ϵnd), and outputs a collection of size O((1891ekϵ2)8k/ϵn) of candidate sets including approximation centers.
Keywords: stochastic approximate algorithms; uncertain constrained k-means; approximation centers stochastic approximate algorithms; uncertain constrained k-means; approximation centers

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MDPI and ACS Style

Lu, J.; Tang, J.; Xing, B.; Tang, X. Stochastic Approximate Algorithms for Uncertain Constrained K-Means Problem. Mathematics 2022, 10, 144. https://doi.org/10.3390/math10010144

AMA Style

Lu J, Tang J, Xing B, Tang X. Stochastic Approximate Algorithms for Uncertain Constrained K-Means Problem. Mathematics. 2022; 10(1):144. https://doi.org/10.3390/math10010144

Chicago/Turabian Style

Lu, Jianguang, Juan Tang, Bin Xing, and Xianghong Tang. 2022. "Stochastic Approximate Algorithms for Uncertain Constrained K-Means Problem" Mathematics 10, no. 1: 144. https://doi.org/10.3390/math10010144

APA Style

Lu, J., Tang, J., Xing, B., & Tang, X. (2022). Stochastic Approximate Algorithms for Uncertain Constrained K-Means Problem. Mathematics, 10(1), 144. https://doi.org/10.3390/math10010144

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