Greedily computing associative aggregations on sliding windows

被引：7
|
作者：
Basin, David [1 ]
Klaedtke, Felix [2 ]
Zalinescu, Eugen [1 ]
机构：
[1] Swiss Fed Inst Technol, Inst Informat Secur, Zurich, Switzerland
[2] NEC Europe Ltd, Heidelberg, Germany
来源：
INFORMATION PROCESSING LETTERS | 2015年 / 115卷 / 02期
关键词：
Sliding window; Associative aggregation operator; On-line algorithms; Complexity; Optimality;
D O I：
10.1016/j.ipl.2014.09.009
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
We present an algorithm for combining the elements of subsequences of a sequence with an associative operator. The subsequences are given by a sliding window of varying size. Our algorithm is greedy and computes the result with the minimal number of operator applications. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：186 / 192
页数：7
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