Hub-Based Initialization for K-hubs
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    Abstract:

    K-hubs is a Hub-based clustering algorithm that is very sensitive to initialization. Therefore, this paper proposes an initialization method based on Hub to solve this problem. The initialization method takes full use of the feature of the Hubness phenomenon by selecting initial centers that are the most remote Hub points with each other. The experimental results show that compared with the random initialization of ordinary K-hubs algorithm, the proposed initialization method can obtain a better distribution of initial centers, which could enhance the clustering accuracy; moreover, the selected initial centers can appear near the cluster centers, which could speed up the convergence of the clustering algorithm.

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张巧达,何振峰.基于Hub的高维数据初始聚类中心的选择策略.计算机系统应用,2015,24(4):171-175

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History
  • Received:July 31,2014
  • Revised:September 28,2014
  • Adopted:
  • Online: April 24,2015
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