Patent ID: 7496508
Filing Date: 2009-02-24
Classification: G06F,G10L

Abstract:
1. A method of determining database entries of a database using an automatic dialog system, the method comprising: temporarily storing speech input, processing speech input using an automatic speech recognition device and generating a speech recognition result using a first lexicon, wherein the first lexicon comprises a first set of lexicon entries, and each lexicon entry contains at least one acoustic reference, which corresponds to a Hidden Markov Model, searching the database for a database entry corresponding to the speech recognition result, after the searching, and in a case where no database entry is found, adapting the first lexicon to include a second set of lexicon entries without additional user input, wherein the second set of lexicon entries differs from the first set of lexicon entries by at least one lexicon entry, and repeating the processing and the searching using the temporarily stored speech input and the adapted first lexicon; and wherein, in a case where a database entry is found, outputting.