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Cross-lingual query suggestion

  • US 8,051,061 B2
  • Filed: 02/19/2008
  • Issued: 11/01/2011
  • Est. Priority Date: 07/20/2007
  • Status: Active Grant
First Claim
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1. A method for query suggestion performed by a processor executing computer-executable instructions stored on a memory device, the method comprising:

  • for an input query in source language, identifying a query in target language from a query log of a search engine, the query in target language and the input query in source language having a cross-lingual similarity, the identifying the query in target language from the query log comprising;

    providing a plurality of candidate queries in target language;

    evaluating the plurality of candidate queries in target language at least partly by deducing a monolingual similarity between the input query in source language and a translation of a respective candidate query from target language to source language; and

    ranking the plurality of candidate queries in target language using a cross-lingual query similarity score, the cross-lingual query similarity score being based on a plurality of features and a weight of each feature in calculating the cross-lingual query similarity score; and

    suggesting the query in target language as a cross-lingual query at least partly based on click-through information of documents selected by users for the query in target language.

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