Approximate String Matching with Address Bit Errors

  • Authors:
  • Amihood Amir;Yonatan Aumann;Oren Kapah;Avivit Levy;Ely Porat

  • Affiliations:
  • Department of Computer Science, Bar Ilan University, Ramat Gan, Israel 52900 and Department of Computer Science, Johns Hopkins University, Baltimore MD 21218;Department of Computer Science, Bar Ilan University, Ramat Gan, Israel 52900;Department of Computer Science, Bar Ilan University, Ramat Gan, Israel 52900;CRI, Haifa University, Mount Carmel, Haifa, Israel 31905;Department of Computer Science, Bar Ilan University, Ramat Gan, Israel 52900

  • Venue:
  • CPM '08 Proceedings of the 19th annual symposium on Combinatorial Pattern Matching
  • Year:
  • 2008

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Abstract

A string S茂戮驴 Σmcan be viewed as a set of pairs S= { (茂戮驴i, i) : i茂戮驴 { 0,..., m茂戮驴 1} }. We consider approximate pattern matching problems arising from the setting where errors are introduced to the location component (i), rather than the more traditional setting, where errors are introduced to the content itself (茂戮驴i). In this paper, we consider the case where bits of imay be erroneously flipped, either in a consistent or transient manner. We formally define the corresponding approximate pattern matching problems, and provide efficient algorithms for their resolution, while introducing some novel techniques.