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Negation cues detection using CRF on Spanish product review texts

Author
Loharja, H.; Padro, L.; Turmo, J.
Type of activity
Presentation of work at congresses
Name of edition
2º Taller de NEGación en ESpañol
Date of publication
0
Presentation's date
2018-09-18
Book of congress proceedings
NEGES 2018: Workshop on Negation in Spanish: Seville, Spain: September 19-21, 2018: proceedings book
First page
49
Last page
54
Repository
http://hdl.handle.net/2117/123065 Open in new window
URL
http://ceur-ws.org/Vol-2174/paper6.pdf Open in new window
Abstract
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...
Citation
Loharja, H., Padro, L., Turmo, J. Negation cues detection using CRF on Spanish product review texts. A: Taller de NEGación en ESpañol. "NEGES 2018: Workshop on Negation in Spanish: Seville, Spain: September 19-21, 2018: proceedings book". 2018, p. 49-54.
Keywords
Conditional random field, Detection approach, F1 scores, Negation cue detection, Product review Conditional random field, Product reviews, Random processes
Group of research
GPLN - Natural Language Processing Group
IDEAI-UPC - Intelligent Data Science and Artificial Intelligence Research Center
TALP - Centre for Language and Speech Technologies and Applications

Participants

Attachments