Patent Document ID: 20080270135
Application ID: 11742149
Patent Status: 0

Claim One:
1. A method of handling out-of-grammar utterances, comprising: building a statistical language model for a dialog state using data that is collected when users interact with the dialog state; generating sentences and semantic interpretations for the sentences using finite state grammar; building a statistical action classifier using the data set containing sentences and the associated semantic interpretations; receiving user input; carrying out recognition with said finite state grammar; carrying out recognition with said statistical language model; using said statistical action classifier to find semantic interpretations; comparing an output from said finite state grammar and an output from said statistical language model; deciding which output of said output from said finite state grammar and said output from said statistical language model to keep as a final recognition output; selecting said final recognition output; and outputting said final recognition result, wherein said statistical action classifier, said finite state grammar and said statistical language model are used in conjunction to carry out speech recognition and interpretation.