1. Business School, Hohai University, 12462 Nanjing, Jiangsu, China, (e-mail: hengjiezhang@126.com)
2. Business School, Hohai University, 12462 Nanjing, Jiangsu, China, (e-mail: wangfnojy@163.com)
3. business, schuan, chengdu, China, 610065 (e-mail: ycdong@scu.edu.cn)
4. Division of Computer Engineering, De Montfort University, Leicester, Leicestershire, United Kingdom of Great Britain and Northern Ireland, LE1 9BH (e-mail: chiclana@dmu.ac.uk)
5. computer science and a.i, University of Granada, granada, Spain, 18003 (e-mail: viedma@decsai.ugr.es)