Papers › A review of Spanish corpora annotated with negation
A review of Spanish corpora annotated with negation
Salud Mar{\'\i}a Jim{\'e}nez-Zafra, Roser Morante, Maite Martin, L. Alfonso Ure{\~n}a-L{\'o}pez
The availability of corpora annotated with negation information is essential to develop negation processing systems in any language. However, there is a lack of these corpora even for languages like English, and when there are corpora available they are small and the annotations are not always compatible across corpora. In this paper we review the existing corpora annotated with negation in Spanish with the purpose of first, gathering the information to make it available for other researchers and, second, analyzing how compatible are the corpora and how has the linguistic phenomenon been addressed. Our final aim is to develop a supervised negation processing system for Spanish, for which we need training and test data. Our analysis shows that it will not be possible to merge the small corpora existing for Spanish due to lack of compatibility in the annotations.
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