14. The method of claim 9 , wherein generating, using one or more computing devices, a set of one or more potential NL queries that are related to a first NL query comprises determining, using one or more computing devices, for at least one of the potential NL queries a likelihood of receiving the at least one potential NL query.
15. The method of claim 14 , wherein the determined likelihood is based on a plurality of previously received NL queries.