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Analyzing links for NCX navigation

  • US 8,875,009 B1
  • Filed: 03/23/2012
  • Issued: 10/28/2014
  • Est. Priority Date: 03/23/2012
  • Status: Active Grant
First Claim
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1. A method comprising:

  • obtaining a plurality of links associated with an electronic media item;

    grouping the plurality of links into one or more groups of links based on source positions of the plurality of links;

    generating sub-groups of links from the one or more groups of links using an ordering rule and a targeting rule;

    identifying the sub-groups which have a minimum number of links; and

    generating, by a processing device, a navigation control file, based on the identified sub-groups, wherein a link within a sub-group of links satisfies the targeting rule when a target position of the link is less than a first source position of a first link in the sub-group or when the target position of the link is greater than a source position of the link.

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