28. The method according to claim 27 where said additional data is selected from the group consisting of part-of-speech, syntactic, named-entity and semantic labels.
28. The method according to claim 27 where said additional data is selected from the group consisting of part-of-speech, syntactic, named-entity and semantic labels. 29. The method according to claim 28 where multiword-tokens are identified as a sequence of two or more tokens with high mutual information.