The oldest known bamboo slip dated from the Cao Wei state of the Three Kingdoms period (220-280) has been discovered during a study of 216 ­previously unreleased slips collected by the Gansu ...

Wei Cao is an associate professor in School of Economics at the HeFei University of Technology. Her research interests include data mining, machine learning, deep learning and coupling analysis in ...

CAO clans of O2* seemed to be originated in Anhui province and have experienced slight population expansion, probably due to the prosperity of the Cao-Wei Kingdom.