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Approximate dictionary queries

  • Gerth Stølting Brodal
  • Leszek Gasieniec
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 1075)

Abstract

Given a set of n binary strings of length m each. We consider the problem of answering d-queries. Given a binary query string α of length m, a d-query is to report if there exists a string in the set within Hamming distance d of α.

We present a data structure of size O(nm) supporting 1-queries in time O(m) and the reporting of all strings within Hamming distance 1 of α in time O(m). The data structure can be constructed in time O(nm). A slightly modified version of the data structure supports the insertion of new strings in amortized time O(m).

Keywords

Binary String Bloom Filter Additional Link Query String Feasible Pair 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1996

Authors and Affiliations

  • Gerth Stølting Brodal
    • 1
  • Leszek Gasieniec
    • 2
  1. 1.Basic Research in Computer Science, a Centre of the Danish National Research Foundation, Computer Science DepartmentAarhus UniversityÅrhus CDenmark
  2. 2.Max-Planck Institut für Informatik, Im StadtwaldSaarbrückenGermany

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