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Automated segmentation, information extraction, summarization, and presentation of broadcast news

  • US 6,961,954 B1
  • Filed: 03/02/1998
  • Issued: 11/01/2005
  • Est. Priority Date: 10/27/1997
  • Status: Expired due to Term
First Claim
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1. A method for automatically processing a representation of a multimedia presentation having multiple information streams contained therein, the method comprising the steps of:

  • (a) selecting at least one contiguous portion of the multimedia presentation as a story segment;

    (b) extracting named entities from a text information stream corresponding to the story segment;

    (c) using extracted named entities as search criteria to select from among a plurality of story segments;

    (d) in response to a search query, presenting a list of named entities and their corresponding number of occurrences in story segments over a selected time period; and

    (e) extracting story summary data using the named entities as a basis, wherein the step of extracting story summary data additionally comprises the steps of;

    (i) determining a frequency of occurrence for the named entities per sentence in a story segment; and

    (ii) selecting a sentence with a greatest named entity frequency of occurrence as a topic sentence.

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