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Content alignment method and system

  • US 9,323,865 B2
  • Filed: 12/24/2013
  • Issued: 04/26/2016
  • Est. Priority Date: 12/24/2013
  • Status: Active Grant
First Claim
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1. A method for content alignment, comprising:

  • obtaining a first content sequence and a second content sequence different from the first content sequence;

    representing each of the first content sequence and the second content sequence in a hierarchical structure containing an ordered root element sequence and a sub-tree structure, wherein the ordered root element sequence includes a plurality of root elements and each root element is associated with a sub-tree of elements;

    determining a desired alignment between the first content sequence and the second content sequence using dynamic programming; and

    outputting results of the desired alignment between the first content sequence and the second content sequence;

    wherein;

    the hierarchical structure is divided into a plurality of hierarchical levels with a highest level corresponding to the root elements;

    each hierarchical level includes one or more ordered sequences of elements;

    the one or more ordered sequences of elements are ordered based on one of element locations and element timestamps; and

    a K-level element represents a combination of all (K−

    1)-level subtree elements associated with the K-level element, wherein K is an integer greater than 1, and the (K−

    1)-level subtree elements is an ordered sequence.

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