13. The system of claim 12 , wherein identifying a plurality of candidate phrases contained in the document further includes: identifying as a candidate phrase a sequence of words in the document terminated by a semantic marker.
13. The system of claim 12 , wherein identifying a plurality of candidate phrases contained in the document further includes: identifying as a candidate phrase a sequence of words in the document terminated by a semantic marker. 14. The system of claim 13 , wherein the semantic marker is any one of a group consisting of a linguistic, grammatical, structural, or typographic indicator.