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Method of spell-checking search queries

  • US 8,621,344 B1
  • Filed: 09/30/2011
  • Issued: 12/31/2013
  • Est. Priority Date: 04/09/2002
  • Status: Expired due to Term
First Claim
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1. A method comprising:

  • receiving a search query that includes a query term;

    identifying, from a corpus of documents, text patterns that each include the query term occurring adjacent to one or more other query terms;

    determining a first quantity of occurrences of the text patterns that each include the query term occurring adjacent to the one or more other terms, in the corpus of documents;

    determining a second quantity of occurrences of text patterns that each include a heterographic homophone of the query term occurring adjacent to the one or more other terms, in the corpus of documents; and

    determining, by one or more computers, whether to revise the received search query to include the heterographic homophone of the query term, based on comparing the first quantity and the second quantity.

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