Papers by Salud María Jiménez-Zafra
Detecting Negation Cues and Scopes in Spanish (2020.lrec-1)
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Salud María Jiménez-Zafra, Roser Morante, Eduardo Blanco, María Teresa Martín Valdivia, L. Alfonso Ureña López
| Challenge: | Negation is a phenomenon that "relates an expression e to another expression with a meaning that is in some way opposed to the meaning of e" previous work on negation in English has focused mostly and only recently on annotation tasks. |
| Approach: | They propose a machine learning system that processes negation in Spanish . they use a corpus from the SFU corpus to perform two tasks . |
| Outcome: | The proposed system outperforms state-of-the-art in negation cue detection and scope identification. |
A review of Spanish corpora annotated with negation (C18-1)
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| Challenge: | Existing corpora annotated with negation information are small and not always compatible . negation is a linguistic phenomenon that is not addressed in English . |
| Approach: | They review existing corpora annotated with negation in Spanish and analyze compatibility . they propose to develop a supervised negation processing system for Spanish . |
| Outcome: | The proposed system will not be able to merge the small corpora in Spanish due to lack of compatibility in annotations. |