StructRAG: Boosting Knowledge Intensive Reasoning of LLMs via Inference-time Hybrid Information Structurization - Li, Zhuoqun; Chen, Xuanang; Yu, Haiyang; Lin, Hongyu; Lu, Yaojie; Tang, Qiaoyu; Huang, Fei; Han, Xianpei; Sun, Le; Li, Yongbin (International Conference on Learning Representations, 2025)