Consensus-Driven Group Recommendation on Sparse Explicit Feedback: A Collaborative Filtering and Choquet-Borda Aggregation Framework. - Anh Nguyen Van; Huy Ngo Hoang; Khoi Ngo Nguyen; Ngoc Pham Thi; Khanh Ngo Mai Bao; Quyen Nguyen Van (CoRR, 2026)