Method for providing search results list based on importance information and system thereof

  • US 7,756,868 B2
  • Filed: 02/25/2005
  • Issued: 07/13/2010
  • Est. Priority Date: 02/26/2004
  • Status: Active Grant
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First Claim
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1. A method for providing a user with a predetermined search result list by a search engine, comprising:

  • maintaining a content information database storing at least one content and registration date information for the content;

    maintaining a timer, the timer maintaining time information and a time function table, the time function table storing a predetermined time function having time difference information as a variable, wherein the time difference information is difference between the registration date information for the content and the time information;

    receiving at least one keyword from a user terminal with a search request;

    searching for at least one content including the at least one keyword using the content information database;

    computing accuracy of the searched content with respect to the at least one keyword, based on a predetermined accuracy computing criterion;

    searching for the registration date information for the searched content using the content information database;

    computing time difference information by using the searched registration date information and the time information received from the timer;

    computing a time function value corresponding to the computed time difference information by using the time function table;

    computing importance information of the searched content using the computed accuracy and the computed time function value;

    sorting at least one content in accordance with the computed importance information, thereby processing the sorted content into search result list information;

    maintaining a temporal adverb keyword database storing at least one predetermined temporal adverb keyword;

    wherein computing importance information with respect to the searched content using the computed accuracy and the computed time function value comprises;

    abstracting at least one temporal adverb keyword stored in the temporal adverb keyword database, from the searched content; and

    in case that the temporal adverb keyword is abstracted from the searched content, multiplying predetermined weight corresponding to the abstracted temporal adverb keyword to the computed importance information.

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