Parallel Duel-and-Sweep Algorithm for the Order-Preserving Pattern Matching

被引：1
|
作者：
Jargalsaikhan, Davaajav [1 ]
Hendrian, Diptarama [1 ]
Yoshinaka, Ryo [1 ]
Shinohara, Ayumi [1 ]
机构：
[1] Tohoku Univ, Grad Sch Informat Sci, Sendai, Miyagi, Japan
来源：
SOFSEM 2020: THEORY AND PRACTICE OF COMPUTER SCIENCE | 2020年 / 12011卷
关键词：
String matching; Order-preserving pattern matching; Parallel algorithm;
D O I：
10.1007/978-3-030-38919-2_18
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
Given a text and a pattern over an alphabet, the classic exact matching problem searches for all occurrences of pattern P in text T. Unlike the exact matching problem, order-preserving pattern matching considers the relative order of elements, rather than their exact values. In this paper, we propose the first parallel algorithm for the OPPM problem. Our algorithm is based on the "duel-and-sweep" algorithm. For a pattern of length m and a text of length n, our algorithm runs in O(log(3) m) time and O(n log(3) m) work on the Priority CRCW PRAM.
引用
收藏
页码：211 / 222
页数：12
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