Xiaona Xia is a professor and earned her PhD from Qufu Normal University. She is also a member of IEEE Computer Society and China Computer Federation (CCF). Her research interests include learning analytics, interactive learning environments, collaborative learning, educational big data, educational statistics, data mining and service computing. Wanxue Qi is a PhD supervisor of Qufu Normal University. He is a famous education expert and has made remarkable achievements in higher education and moral education theory. His research interests include educational big data and moral education.