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Dialog Prediction Using Lexical and Semantic Features

  • US 20100217592A1
  • Filed: 10/14/2009
  • Published: 08/26/2010
  • Est. Priority Date: 10/14/2008
  • Status: Active Grant
First Claim
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1. A computer-implemented method for identifying a candidate turn for addition to a platform dialog, the method comprising the steps of:

  • determining one or more lexical features of each candidate turn in a set of candidate turns relative to one or more turns included in the platform dialog;

    determining one or more semantic features associated with each candidate turn and associated with the platform dialog, a semantic feature associated with a candidate turn identifying one or more topics associated with the candidate turn and a semantic feature associated with the platform dialog identifying one or more topics associated with the platform dialog;

    ranking the set of candidate turns based on a similarity of the one or more lexical features of the one or more candidate turns to one or more lexical features of the platform dialog and based on a similarity of the one or more semantic features of the one or more candidate turns to one or more semantic features of the platform dialog; and

    adding a candidate turn having a highest ranking to the platform dialog.

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