A New Lifelong Topic Modeling Method and Its Application to Vietnamese Text Multi-label Classification. - Quang-Thuy Ha; Thi-Ngan Pham; Van-Quang Nguyen; Thi-Cham Nguyen; Thi-Hong Vuong; Minh-Tuoi Tran; Tri-Thanh Nguyen (ACIIDS (1), 2018)