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Spell Checker

对一篇给定的英文作文,基于 Dictionary Lookup 的方法识别其中的错别字 (Spell Checking),然后用编辑距离和 N-grams 语言模型相结合的方法给出错别字的候选修正单词。

目前在500篇带有随机生成错别字的测试集上,自动修正的准确率为 90.2%。


Spell Checking: Dictionary Lookup

Auto Correction:

  • Edit Distance <= 2
  • N-grams (n up to 3)

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Spell Checker based on Ngrams Language Model

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