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Classifying text via topical analysis, for applications to speech recognition

  • US 8,612,209 B2
  • Filed: 09/20/2011
  • Issued: 12/17/2013
  • Est. Priority Date: 11/28/2002
  • Status: Expired due to Term
First Claim
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1. An assignment device for processing an input text comprising a first word and a second word, the assignment device comprising:

  • at least one computer programmed to implement a method comprising;

    assigning word-class information to each of a plurality of words in the input text, including assigning first word-class information to the first word and second word-class information to the second word;

    determining whether the first word-class information and the second word-class information appear within a predetermined distance of one another;

    identifying, by using a mapping from combinations of word-class information to corresponding actions, an action associated with the combination of the first word-class information and the second word-class information; and

    executing the identified action in response to determining that the first word-class information and the second word-class information appear within the predetermined distance of one another,wherein the first word-class information identifies the first word as being a member of a first category of semantically related member words and the second word-class information identifies the second word as being a member of a second category of semantically related member words.

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