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

页码：915 / 936

页数：22

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