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Method and apparatus for learning a probabilistic generative model for text

  • US 8,024,372 B2
  • Filed: 04/27/2007
  • Issued: 09/20/2011
  • Est. Priority Date: 09/30/2003
  • Status: Active Grant
First Claim
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1. A method for constructing a model that generates text, the method comprising:

  • in a computer system, performing the operations of;

    representing a concept as a cluster node;

    representing a word as a terminal node;

    assigning a weight to a link between two nodes; and

    training the model based on a set of documents, comprising;

    for each cluster node, computing a probabilistic cost of a corresponding concept existing in a document but not triggering any words.

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