“…In the machine learning problems, domain transfer learning has recently attracted much attention Lopez-Sanchez, Arrieta and Corchado, 2018;Wang, Zhou, Kong, Currey, Li and Zhou, 2017a;Wang, Song, Marquez-Lago, Leier, Li, Lithgow, Webb and Shen, 2017b;Yang and Zhang, 2017;Zhang, Yang and Zhang, 2017c). Transfer learning refers to the learning problem of a predictive model for a target domain, by leveraging the data from both the target domain and one or more auxiliary domains.…”