REN, Yating; BAN, Yikun; TAN, Huobin. GCL-OT: Graph Contrastive Learning with Optimal Transport for Heterophilic Text-Attributed Graphs. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 40, n. 30, p. 25142–25150, 2026. DOI: 10.1609/aaai.v40i30.39704. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/39704. Acesso em: 15 may. 2026.