44. The method of claim 43 , wherein the speech-based representation is based on Voice Extensible Markup Language (VoiceXML).
44. The method of claim 43 , wherein the speech-based representation is based on Voice Extensible Markup Language (VoiceXML). 45. The method of claim 44 , wherein VoiceXML is extended to support natural language understanding of a user input and generation of resulting attribute value pairs.