2. The method of claim 1 , further comprising: specializing the secondary ASR recognizer by using an adaptation grammar comprising structure and content appropriate to a putative span type, as determined by NLU processing.
2. The method of claim 1 , further comprising: specializing the secondary ASR recognizer by using an adaptation grammar comprising structure and content appropriate to a putative span type, as determined by NLU processing. 3. The method of claim 2 , further comprising: deriving proper name entities defining structure and content of the adaptation grammar used to specialize the secondary ASR recognizer from any of: (a) business names resulting from a search; (b) business names, personal contact names, or both retrieved from any of a personal phone book, a personal calendar, or both; (c) contents of a music library or personal music storage device, including artist names, song names, album names, and genre names; (d) contents of a video library or personal video storage device, including actor names, director names, and genre names; (e) word sequences that the user has identified as personally significant; and (f) any combination of the foregoing.