11. The computer-implemented method of claim 1 , further comprising modifying, by the server system, the speech recognition model to revise a concurrence weighting for the particular word, wherein the concurrence weighting provides a determination of the likelihood of appearance of the particular word and a second word being adjacent, and wherein the concurrence weighting is generated based on the presence of the particular word and the second word together in one or more search queries.
12. The computer-implemented method of claim 11 , wherein the concurrence weighting is generated based on the particular word and the second word being adjacent in one or more search queries.