Dongmei Hu received her M.E. degree in Environmental Science and Engineering from the Taiyuan University of Technology and received her PhD degree in Civil Engineering from Tsinghua University. She is now a lecturer at North China Electric Power University and mainly focuses on data mining in traffic environment. She has published more than 20 peer-reviewed journal articles and led several projects on urban big data mining in environmental science and engineering, and source analysis and transmission path of urban air pollutants, which has been deployed in Shanxi Province of China