NOWJ @BioCreative IX ToxHabits: An Ensemble Deep Learning Approach for Detecting Substance Use and Contextual Information in Clinical Texts. - Huu-Huy-Hoang Tran; Gia-Bao Duong; Quoc-Viet-Anh Tran; Thi-Hai-Yen Vuong; Hoang-Quynh Le (CoRR, 2026)