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Faster Pattern Matching Algorithm for Arc-Annotated Sequences

  • Takuya Kida
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3847)

Abstract

We present an improvement of pattern matching algorithm for arc-annotated sequences. Arc-annotated sequences are used for representing the structural information, e.g., RNA and protein sequences in molecular biology. Given two sequences with arcs, a text of length n and a pattern of length m, the problem is to determine whether the pattern is an arc-preserving subsequence of the text. Although it is NP-complete in a general case, an O(mn) algorithm has been proposed if the given sequences have no crossing-arcs. Our contribution is to revise it and to obtain more simple one. We also present our experimental results of the running time.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Takuya Kida
    • 1
  1. 1.Hokkaido UniversitySapporoJapan

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