14. The system of claim 13 , wherein the operations comprise selecting, from a set of speech recognition language models for recognizing speech, a subset of speech recognition language models, wherein the subset of speech recognition language models is selected based on the recognized location or the recognized category of businesses.
14. The system of claim 13 , wherein the operations comprise selecting, from a set of speech recognition language models for recognizing speech, a subset of speech recognition language models, wherein the subset of speech recognition language models is selected based on the recognized location or the recognized category of businesses. 15. The system of claim 14 , wherein the set of speech recognition language models includes N-grams in which a probability of a word in a vocabulary is estimated by counting the occurrences of that word in the context of a last N words.