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Real-time multitape Turing machine algorithms are presented for recognizing the languages {wxyxz*:|w|=r|x,|z| =t|x|} and {wxyx
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*:|w|=r|x,|z| =t|x|} for fixedr, s, andt and for string-matching with forced mismatches.This research was supported in part by the National Science Foundation under Grant MCS77-06613 (first author) and the Bat-Sheva Fund (second author). Part of the work was conducted while the second author was at the IBM Thomas J. Watson Research Center, Yorktown Heights, New York. A preliminary report was included in a paper the authors presented at the Seventeenth Annual IEEE Symposium on Foundations of Computer Science, Houston, Texas, October 1976. 相似文献
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KMP算法与特殊子串滑动算法整合的构想与实践 总被引:1,自引:0,他引:1
在数据结构模式匹配算法中,Brute-Force算法是一个重要的基础算法,但是在性能上远不及KMP算法。而理解KMP及其改进算法是一个复杂的问题,其关键是KMP函数的求解过程。通过特殊子串滑动算法与KMP算法整合的实践,简化了特殊问题,省略了KMP函数的求解过程,在很大程度上提高了模式匹配问题的工作效率。 相似文献