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›› 2009, Vol. 26 ›› Issue (4): 530-538.DOI: 10.7523/j.issn.2095-6134.2009.4.015

• Research Articles • Previous Articles     Next Articles

SA-DBSCAN:A self-adaptive density-based clustering algorithm

XIA Lu-Ning, JING Ji-Wu   

  1. State Key Laboratory of Information Security, Chinese Academy of Sciences, Beijing 100049,China
  • Received:2008-06-26 Revised:2008-12-25 Online:2009-07-15

Abstract:

DBSCAN is a classic density-based clustering algorithm. It can automatically determine the number of clusters and treat clusters of arbitrary shapes. In the clustering process of DBSCAN, two parameters, Eps and minPts,have to be specified by uses. In this paper an adaptive algorithm named SA-DBSCAN was introduced to determine the two parameters automatically via analysis of the statistical characteristics of the dataset, which enabled clustering process of DBSCAN fully automated. Experimental results indicate that SA-DBSCAN can select appropriate parameters and gain a rather high validity of clustering.

Key words: data mining, clustering, DBSCAN, SA-DBSCAN

CLC Number: