Method for making digital documents browseable

  • US 8,042,053 B2
  • Filed: 09/24/2007
  • Issued: 10/18/2011
  • Est. Priority Date: 09/24/2007
  • Status: Active Grant
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First Claim
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1. A computer system, comprising:

  • a processor; and

    a memory comprising program instructions executable by the processor to;

    topically segment digital documents into topical segments;

    extract key concepts from the topical segments;

    extract key phrases from the topical segments;

    select a first one of the key phrases that is included in a first one of the digital documents;

    compare the first key phrase with the key concepts for similarities;

    rank the compared key concepts by the similarities;

    identify, from the topical segments, those topical segments in the first digital document and a second one of the digital documents that have ranked key concepts with individual similarities above a specified similarity threshold;

    establish navigation links between the first key phrase in the first digital document and the identified topical segments in the first digital document and the second digital document to enable a user to navigate within the first digital document or from the first digital document to the second digital document; and

    concurrently display at least;

    a currently viewed topical segment in the first digital document,first individual navigation links to a previous identified topical segment in the first digital document and a subsequent identified topical segment in the first digital document, anda second individual navigation link to an identified topical segment in the second digital document.

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