12. The computer-implemented method of claim 11 , wherein identifying whether adjacent common terms comprise an n-gram comprises: determining whether the adjacent common terms match known n-grams stored in an n-gram data store; and in response to determining that the adjacent common terms match known n-grams, identifying the matching adjacent common terms as an n-gram.
11. The computer-implemented method of claim 9 , further comprising: identifying whether the adjacent common terms comprise an n-gram.