Year	2015
Authors	Duen-Ren Liu
Journal Title	Hsiu-Yu Liao, Kuan-Yu Chen, Duen-Ren Liu, Yi-Ling Chiu, Customer Churn Prediction in Virtual Worlds, Proc. of the 2015 International Congress on Advanced Applied Informatics - International Conference on E-Service and Knowledge Management, Okayama, Japan, July 2015.