LLM-Enhanced Feature Engineering for Multi-Factor Electricity Price Predictions. - Haochen Xue; Chenghao Liu; Chong Zhang 006; Yuxuan Chen; Angxiao Zong; Zhaodong Wu; Yulong Li; Jiayi Liu; Kaiyu Liang; Zhixiang Lu; Ruobing Li; Jionglong Su (CoRR, 2025)