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Tsinghua Science and Technology

Keywords

balanced clustering, k-correlation clustering, positive edge dominant graphs, approximation algorithm

Abstract

The Correlation Clustering Problem (CorCP) is a significant clustering problem based on the similarity of data. It has significant applications in different fields, such as machine learning, biology, and data mining, and many different problems in other areas. In this paper, the Balanced 2-CorCP (B2-CorCP) is introduced and examined, and a new interesting variant of the CorCP is described. The goal of this clustering problem is to partition the vertex set into two clusters with equal size, such that the number of disagreements is minimized. We first present a polynomial time algorithm for the B2-CorCP on M-positive edge dominant graphs (M⩾3). Then, we provide a series of numerical experiments, and the results show the effectiveness of our algorithm.

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