Evaluating Content Features and Classification Methods for Helpfulness Prediction of Online Reviews: Establishing a Benchmark for Portuguese Rogério Sousa author Thiago Pardo author 2022-05 text Proceedings of the 12th Workshop on Computational Approaches to Subjectivity, Sentiment & Social Media Analysis Jeremy Barnes editor Orphée De Clercq editor Valentin Barriere editor Shabnam Tafreshi editor Sawsan Alqahtani editor João Sedoc editor Roman Klinger editor Alexandra Balahur editor Association for Computational Linguistics Dublin, Ireland conference publication sousa-pardo-2022-evaluating 10.18653/v1/2022.wassa-1.19 https://aclanthology.org/2022.wassa-1.19/ 2022-05 204 213