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in fact a lemmatiser or a `stemmer'
rather than a full morphological analyser. However, in addition to
producing a stem or root form for each token it is given, it also
produces a normalised affix (e.g. ``ed'' for all past participle
forms, both regular and known irregulars).
The Tagged Morph version only processes noun and verb tokens,
as indicated by part-of-speech tags, using the tags to increase
accuracy, and avoiding irrelevant tokens to increase processing speed.