Research on the Construction Method of Intelligent Prediction and Analysis Model for the Whole Process of Power Grid Project CostZuobin Liang, Shan Gao, Qing Wang, Yong Dai, Peng Rong, Jun Ye and Yunxing GaoE3S Web Conf., 213 (2020) 03029DOI: https://doi.org/10.1051/e3sconf/202021303029