2. The method of claim 1 , wherein identifying a plurality of candidate phrases occurring in the document includes: identifying as a candidate phrase a sequence of words in the document terminated by a semantic marker.
2. The method of claim 1 , wherein identifying a plurality of candidate phrases occurring in the document includes: identifying as a candidate phrase a sequence of words in the document terminated by a semantic marker. 3. The method of claim 2 , wherein the semantic marker is any one of group consisting of a linguistic, grammatical, structural, or typographic indicator.