SINAI: Syntactic Approach for Aspect-Based Sentiment Analysis Salud M Jiménez-Zafra author Eugenio Martínez-Cámara author M Teresa Martín-Valdivia author L Alfonso Ureña-López author 2015-06 text Proceedings of the 9th International Workshop on Semantic Evaluation (SemEval 2015) Preslav Nakov editor Torsten Zesch editor Daniel Cer editor David Jurgens editor Association for Computational Linguistics Denver, Colorado conference publication jimenez-zafra-etal-2015-sinai 10.18653/v1/S15-2124 https://aclanthology.org/S15-2124/ 2015-06 730 735