Parallel Approaches to Edit Distance and Approximate String Matching

Cary Yang, Kevin Zhang
Carnegie Mellon University
Carnegie Mellon University, 2014


   title={Parallel Approaches to Edit Distance and Approximate String Matching},

   author={Yang, Cary and Zhang, Kevin},



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In this paper, we explore approaches to parallelizing the edit distance problem and the related approximate string matching problem. The edit distance is a measure of the number of individual character insertions, deletions, and substitutions requried to transform one string into another string. In the canonical dynamic programming solution to the edit distance, a chain of dependencies renders parallelization extremely difficult; thus, we investigate several different approaches to resolve this issue.
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