Secondly, the article introduced the theories result in the technology of copy detection, especially introduced a basic theory - Karp-Rabin string matching algorithm and the way to realize.
说明将要进行的工作步骤其次,介绍了前人在程序代码复制检测方面的理论成果,并介绍了基本的Karp-Rabin串匹配算法理论、实现方法。
参考来源 - 基于程序复制检测技术的学生作业管理技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
因此，研究(设计)高效的近似字符串匹配算法具有重要的理论价值和实际意义。
It has very important theoretical value and practical meaning to research and design very fast approximate string matching algorithms.
在动态串匹配方面，本文对经典的串匹配算法进行了扩展，提供动态增删关键词的能力。
With respect to dynamic string matching, classic algorithms are extended to provide the ability of inserting and deleting a keyword.
针对这个问题，本丈首先阐述了几种经典的串匹配算法，对它们的适用范围和优缺点进行了分析。
Considering this problem, the paper expatiates on some classical matching algorithms, and analyses their applying ranges, advantages and disadvantages.
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