A technique for identifying one or more items from amongst a plurality of items in response to a spoken utterance is used to improve call routing and information retrieval systems which employ automatic speech recognition (ASR). An automatic speech recognizer is used to recognize the utterance, including...http://www.google.es/patents/US6856957?utm_source=gb-gplus-sharePatente US6856957 - Query expansion and weighting based on results of automatic speech recognition
Query expansion and weighting based on results of automatic speech recognition
