Query-Aware Flow Diffusion for Graph-Based RAG with Retrieval Guarantees - Zhou, Zhuoping; Ataee Tarzanagh, Davoud; Didari, Sima; Hu, Wenjun; Gutow, Baruch; Verkholyak, Oxana; Faraki, Masoud; Hao, Heng; Moon, Hankyu; Min, Seungjai (International Conference on Learning Representations, 2026)