Research and Application of Electronic Data Retrieval in Material Supply Chain Enhanced by Large Language Models and Knowledge Graph - Ge, Xing; Liu, Yafei; Yang, Pei; Sun, Xin; Qiao, Junfeng; Qu, Luyao; Qiu, Jingyi (2024 International Conference on Information Technology, Comunication Ecosystem and Management (ITCEM), Information Technology, Communication Ecosystem and Management (ITCEM), 2024 International Conference on, ITCEM, 2024)