9. The computer-implemented method of claim 8 , wherein the plurality of POS tags comprises: a POS tag for a proper noun that is a geographic name; a POS tag for a proper noun that is a name of a person; and a POS tag for a proper noun that is can be both a geographic name and a name of a person.
8. A computer-implemented method, comprising: accessing text by a processing system, the text comprising a plurality of words; tagging, by the processing system, each of the plurality of words with one of a plurality of parts of speech (POS) tags; creating, by the processing system, a plurality of tokens, each token comprising one of the plurality of words and its associated POS tag; clustering, by the processing system, one or more of the created tokens into a chunk of tokens, the one or more tokens clustered into the chunk of tokens based on the POS tags of the one or more tokens; and forming, by the processing system, a phrase based on the chunk of tokens, the phrase comprising the words of the one or more tokens clustered into the chunk of tokens.