6. The method of claim 1 , further comprising: updating a query tagging model based at least in part upon the other probabilities that the other phrases correspond to the plurality of different lexicons having the associated semantic classes.
6. The method of claim 1 , further comprising: updating a query tagging model based at least in part upon the other probabilities that the other phrases correspond to the plurality of different lexicons having the associated semantic classes. 7. The method of claim 6 , further comprising: executing the query tagging model upon a query to label a term within the query.