Can Graph Learning Improve Planning in LLM-based Agents? - Wu, Xixi; Shen, Yifei; Shan, Caihua; Song, Kaitao; Wang, Siwei; Zhang, Bohang; Feng, Jiarui; Cheng, Hong; Chen, Wei; Xiong, Yun; Li, Dongsheng (Advances in Neural Information Processing Systems, 2024)