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INFERRING EMERGING AND EVOLVING TOPICS IN STREAMING TEXT

  • US 20130151525A1
  • Filed: 09/14/2012
  • Published: 06/13/2013
  • Est. Priority Date: 12/09/2011
  • Status: Abandoned Application
First Claim
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1. A method of inferring topic evolution and emergence in a multitude of documents, comprising:

  • forming a group of matrices using text in the documents, said group of matrices including a first matrix X identifying a multitude of words in each of the documents, a second matrix W identifying a multitude of topics in each of the documents, and a third matrix H identifying a multitude of words for each of said multitude of topics; and

    analyzing said group of matrices to identify a first group of said multitude of topics as evolving topics and a second group of said multitude of topics as emerging topics.

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