SiReRAG: Indexing Similar and Related Information for Multihop Reasoning - Zhang, Nan; Choubey, Prafulla Kumar; Fabbri, Alexander; Bernadett-Shapiro, Gabriel; Zhang, Rui; Mitra, Prasenjit; Xiong, Caiming; Wu, Chien-Sheng (International Conference on Learning Representations, 2025)