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Negation cues detection using CRF on Spanish product review texts

Autor
Loharja, H.; Padro, L.; Turmo, J.
Tipus d'activitat
Presentació treball a congrés
Nom de l'edició
2º Taller de NEGación en ESpañol
Any de l'edició
0
Data de presentació
2018-09-18
Llibre d'actes
NEGES 2018: Workshop on Negation in Spanish: Seville, Spain: September 19-21, 2018: proceedings book
Pàgina inicial
49
Pàgina final
54
Repositori
http://hdl.handle.net/2117/123065 Obrir en finestra nova
URL
http://ceur-ws.org/Vol-2174/paper6.pdf Obrir en finestra nova
Resum
This article describes the negation cue detection approach designed and built by UPC's team participating in NEGES 2018 Workshop on Negation in Spanish. The approach uses supervised CRFs as the base for training the model with several features engineered to tackle the task of negation cue detection in Spanish. The result is evaluated by the means of precision, recall, and F1 score in order to measure the performance of the approach. The approach was ranked in 1st position in the official testing...
Paraules clau
Conditional random field, Detection approach, F1 scores, Negation cue detection, Product review Conditional random field, Product reviews, Random processes
Grup de recerca
GPLN - Grup de Processament del Llenguatge Natural
IDEAI-UPC Intelligent Data Science and Artificial Intelligence
TALP - Centre de Tecnologies i Aplicacions del Llenguatge i la Parla

Participants