Empirical evidence has been brought forward that inflectional and/or derivational stemmers augmented by dictionaries indeed perform substantially better than those without access to such lexical repositories ( Krovetz , 1993 ; Kraaij and Pohlmann , 1996 ; Tzoukermann et al. , 1997 ) .
effective use of natural language processing techniques for automatic conflation of multiword terms the role of derivational morphology part of speech tagging and shallow parsing
E Tzoukermann J Klavans C Jacquemin
The key for quality improvement seems to be rooted mainly in the presence or absence of some form of dictionary . Empirical evidence has been brought forward that inflectional and/or derivational stemmers augmented by dictionaries indeed perform substantially better than those without access to such lexical repositories ( Krovetz , 1993 ; Kraaij and Pohlmann , 1996 ; Tzoukermann et al. , 1997 ) . This result is particularly valid for natural languages with a rich morphology -- both in terms of derivation and ( single-word ) composition .
Empirical evidence has been brought forward that inflectional and/or derivational stemmers augmented by dictionaries indeed perform substantially better than those without access to such lexical repositories ( Krovetz , 1993 ; Kraaij and Pohlmann , 1996 ; @@CITATION ) .