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Enhancing freshness of search results

  • US 9,116,990 B2
  • Filed: 05/27/2010
  • Issued: 08/25/2015
  • Est. Priority Date: 05/27/2010
  • Status: Active Grant
First Claim
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1. One or more computer-storage memory devices having computer-executable instructions embodied thereon that when executed by a computing device, perform a method of featuring recently published documents within search results, the method comprising:

  • receiving a search query from a user;

    identifying a first plurality of documents that are responsive to the search query because a portion of the search query matches one or more portions of the documents;

    determining that an intent of the user to receive recently published documents is ambiguous by calculating a freshness score for the search query, wherein the freshness score is based on how many recently published documents are responsive to the search query, and by determining that the freshness score for the search query falls into a designated range bounded by a low-threshold score and a high-threshold score;

    displaying, on a search results page, the first plurality of search results; and

    upon said determining, that the freshness score for the search query falls into a designated range bounded by the low-threshold score and the high-threshold score, displaying, on the search results page with the first plurality of search results, a second plurality of search results that describe documents published less than a designated period of time from the present.

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