SA2SL: From Aspect-Based Sentiment Analysis to Social Listening System for Business Intelligence. - Luong Luc Phan; Phuc Huynh Pham; Kim Thi-Thanh Nguyen; Sieu Khai Huynh; Tham Thi Nguyen; Luan Thanh Nguyen; Tin Van Huynh; Kiet Van Nguyen (KSEM, 2021)