Efficient String Matching: An Aid to Bibliographic Search

Alfred V. Aho, Margaret J. Corasick, 1975, Communications of the ACM

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高效字符串匹配：文献检索的辅助工具

Alfred V. Aho and Margaret J. Corasick Bell Laboratories

本文介绍了一种简单而高效的算法，用于在文本字符串中定位有限数量关键字的所有出现位置。该算法首先根据关键字构造有限状态模式匹配机，然后使用该模式匹配机单遍处理文本字符串。构造模式匹配机所需的时间与关键字长度之和成正比。模式匹配机处理文本字符串时所进行的状态转移次数与关键字的数量无关。该算法已用于提高图书馆文献检索程序的速度，性能提升了5至10倍。

关键词和短语：关键词和短语，字符串模式匹配，文献检索，信息检索，文本编辑，有限状态机，计算复杂度。

CR分类：3.74，3.71，5.22，5.25

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Read off the page by a vision model reading the page images using olmOCR-2-7B-1025-FP8. Translated into 中文 by gpt-5, against glossary version 6. Translated from the English.