Efficiently Computing Edit Distance to Dyck Language

Abstract

Given a string σ over alphabet Σ and a grammar G defined over the same alphabet, how many minimum number of repairs: insertions, deletions and substitutions are required to map σ into a valid member of G ? We investigate this basic question in this paper for DYCK(s). DYCK(s) is a fundamental context free grammar representing the language of well-balanced… (More)

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