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The Integration of a Part-of-Speech Tagger into the ALEP Platform

Thierry Declerck; Heinz Dieter Maas
In: Proceedings of the 3rd ALEP User Group Workshop, March 6-7. ALEP User Group Workshop, Saarbrücken, Germany, 1997.


We describe how part-of-speech information delivered by a tagger (the Mpro tool) has been integrated into the ALEP (Advanced Language Engineering Platform) system. For this we extended an approach described within the LS-GRAM project, which consisted in defining the Text Handling component of ALEP in such a way that so-called "messy details'' are handled within this subsystem, hence keeping the (linguistic) parser free from such tasks. We just extended the tagging strategy used for this purpose to normal words and modified the default tagging of words proposed by the ALEP system in order to incorporate information delivered by the part-of-speech tagger. The resulting tagging is converted by means of "lift'' rules into partial linguistic descriptions, which provide the direct input to the grammatical analysis. We show that this procedure substantially reduces the parse times of the system.

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