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Providing a content preview

  • US 9,501,511 B2
  • Filed: 07/13/2015
  • Issued: 11/22/2016
  • Est. Priority Date: 01/30/2013
  • Status: Active Grant
First Claim
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1. A computer-implemented method comprising:

  • splitting, via a processor, a content item into at least a first fixed size block containing a first unique portion of the content item and a second fixed size block containing a second unique portion of the content item, in response to a preview triggering event;

    computing, via the processor, a first hash identifier by using at least a part of the first unique portion of the first fixed size block as a first hash key in a hashing algorithm;

    computing, via the processor, a second hash identifier by using at least a part of the second unique portion of the second fixed size block as a second hash key in the hashing algorithm;

    generating, via the processor, a block list containing a hash key created by concatenating the first hash identifier and the second hash identifier; and

    creating, via the processor, a content preview of the content item in response to a determination, based on the block list, that the content preview of the content item does not exist.

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