1. A method comprising: identifying an ambiguous term in a search query string; determining a disambiguated term associated with the ambiguous term based, at least in part, on a location associated with a search request for the search query string; substituting the disambiguated term for the ambiguous term in the search query string to produce a modified search query string included in a modified search request; directing the modified search request to a search server; wherein the method is performed by one or more computing devices.