BORDER: Efficient computation of boundary points
BORDER: Efficient computation of boundary points
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DOI:
10.1109/tkde.2006.38
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发表时间:
2006-03-01
影响因子:
8.9
通讯作者:
Ooi, BC
中科院分区:
文献类型:
--
作者:
Xia, CY;Hsu, W;Ooi, BC
This work addresses the problem of finding boundary points in multidimensional data sets. Boundary points are data points that are located at the margin of densely distributed data such as a cluster. We describe a novel approach called BORDER ( a BOundaRy points DEtectoR) to detect such points. BORDER employs the state-of-the-art database technique - the Gorder kNN join and makes use of the special property of the reverse k nearest neighbor (RkNN). Experimental studies on data sets with varying characteristics indicate that BORDER is able to detect the boundary points effectively and efficiently.