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An Earley-Based Universal Error-Correcting Parser
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AI
DOI：10.1007/978-3-032-02602-6_15.png)
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Abstract
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Motivated by educational applications, we present an extension of the Earley parser in order to compute all possible corrections that take a given word into a context-free target language. Unlike classical error-correcting parsers, which compute a single correction or a set of minimal corrections, our approach targets the possibly infinite set of all corrections represented as a shared packed parse forest. It is achieved by extending the theory of syntactic corrections and normal-forms thereof. We introduce optimisations that eliminate redundant computations and thus, indicate a runtime improvement.
Keywords:
corrections
error-correcting parsing
Earley parser
Shared Packed Parse Forests
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