An optimal external selection algorithm and its application in the Internet

被引:0
|
作者
Leu, FC [1 ]
Chiou, CC [1 ]
Tsai, YT [1 ]
Tang, CY [1 ]
机构
[1] Natl Tsing Hua Univ, Dept Comp Sci, Hsinchu 30043, Taiwan
关键词
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper presents an optimal sampling external selection (SES) algorithm to select k-th smallest item in large data sets for the two-level memory model. Based on the SES algorithm, two algorithms SES/DASK and SES/FASK are also proposed which are applied to the worldwide selection problem in the Internet environment. We use the sampling information scheme to form an elegant and simple algorithm to reduce the number of disk I/Os. Especially, our algorithm is more efficient for the multiple selections.
引用
收藏
页码:2150 / 2154
页数:5
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