A Unifying Framework for Compressed Pattern Matching

  • Authors:
  • Takuya Kida;Yusuke Shibata;Masayuki Takeda;Ayumi Shinohara;Setsuo Arikawa

  • Affiliations:
  • -;-;-;-;-

  • Venue:
  • SPIRE '99 Proceedings of the String Processing and Information Retrieval Symposium & International Workshop on Groupware
  • Year:
  • 1999

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Abstract

We introduce a general framework which is suitable to capture an essence of compressed pattern matching according to various dictionary based compressions, and propose a compressed pattern matching algorithm for the frame-work. The goal is to find all occurrences of a pattern in a text without decompression, which is one of the most active topics in string matching. Our framework includes such compression methods as Lempel-Ziv family, (LZ77, LZSS, LZ78, LZW), byte-pair encoding, and the static dictionary based method. Technically, our pattern matching algorithm extends that for LZW compressed text presented by Amir, Benson and Farach.