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A run-time efficient realization of Aho-Corasick pattern matching machines

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Abstract

Realizations of Aho-Corasick pattern matching machines which deal with several keywords at a time are studied from the viewpoint of run-time and space complexity. New realizations by means of dividing character codes and transition tables are introduced and shown to be efficient. A time-space trade-off in such realizations is pointed out. Experimental results on run-time of our realizations are shown and compared with those of some other well-known pattern matching techniques. Applications of our realizations to sorting and searching for keywords are also discussed.

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Author information

Authors and Affiliations

  1. Research Institute of Fundamental Information Science, Kyushu University 33, 812, Fukuoka, Japan

    Setsuo Arikawa

  2. Computer Center, Kyushu University 91, 812, Fukuoka, Japan

    Takeshi Shinohara

Authors
  1. Setsuo Arikawa
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  2. Takeshi Shinohara
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Additional information

The work was partly supported by Grant-in-Aid for Scientific Research, Ministry of Education, Science and Culture, No. 58580031 and No. 58880009.

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Arikawa, S., Shinohara, T. A run-time efficient realization of Aho-Corasick pattern matching machines. NGCO 2, 171–186 (1984). https://doi.org/10.1007/BF03037101

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  • DOI: https://doi.org/10.1007/BF03037101

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