Gestefane Rabbi, Celso França, Thierson Rosa, Jussara Almeida, Daniel Sousa, and Marcos André Gonçalves. 2026. Incremental and Risk-Sensitive Federated Learning for Ranking Models in Scenarios with Heterogeneous Data Distributions. In Companion Proceedings of the 22nd Brazilian Symposium on Information Systems, May 25, 2026, Vitória/ES, Brasil. SBC, Porto Alegre, Brasil, 26-41. DOI: https://doi.org/10.5753/sbsi_estendido.2026.249072.