SINHA, Aarush; KUMAR S, Pavan; BALAJI, Roshan; BHATT, Nirav Pravinbhai. BiCA: Effective Biomedical Dense Retrieval with Citation-Aware Hard Negatives. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 40, n. 39, p. 33010–33018, 2026. DOI: 10.1609/aaai.v40i39.40583. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/40583. Acesso em: 19 may. 2026.