Fast text searching for regular expressions or automaton searching on tries

被引：68
|
作者：
BaezaYates, RA [1 ]
Gonnet, GH [1 ]
机构：
[1] ETH ZURICH, CH-8093 ZURICH, SWITZERLAND
来源：
JOURNAL OF THE ACM | 1996年 / 43卷 / 06期
关键词：
digital trees; finite automata; regular expressions; text searching;
D O I：
10.1145/235809.235810
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
We present algorithms for efficient searching of regular expressions on preprocessed text, using a Patricia tree as a logical model for the index. We obtain searching algorithms that run in logarithmic expected time in the size of the text for a wide subclass of regular expressions, and in sublinear expected time for any regular expression. This is the first such algorithm to be found with this complexity.
引用
收藏
页码：915 / 936
页数：22
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