5. The method of claim 4 , wherein determining that the term belongs in the location blacklist comprises: submitting the term to a location-extraction engine; receiving an indication from the location-extraction engine that the term contains the name of a location; and determining that the ratio of the location score to the sum of the location score and the non-location score is less than a blacklist threshold.
4. The method of claim 1 , wherein, upon determining that the term is not a standalone location, the method further comprises determining whether the term belongs in a location blacklist, wherein the location blacklist contains terms that include the name of a location but that do not refer to locations.