HiCOT: Improving Neural Topic Models via Optimal Transport and Contrastive Learning. - Hoang Tran Vuong; Tue Le; Tu Vu; Tung Nguyen; Linh Ngo Van 001; Sang Dinh; Thien Huu Nguyen (ACL (Findings), 2025)

Sharpness-Aware Minimization for Topic Models with High-Quality Document Representations. - Tung Nguyen; Tue Le; Hoang Tran Vuong; Quang Duc Nguyen; Duc Anh Nguyen; Linh Ngo Van 001; Sang Dinh; Thien Huu Nguyen (NAACL (Long Papers), 2025)