1. Ph.D. Candidate, School of Electrical and Information Engineering, Southwest Minzu Univ., #16, South Section, 1st Ring Rd., Chengdu, Sichuan 610041, China; Dept. of Information Systems and Quantitative Analysis, Univ. of Nebraska Omaha, 6001 Dodge St., Omaha, NE 68182 (corresponding author). ORCID: .
2. Professor, School of Electrical and Information Engineering, Southwest Minzu Univ., #16, South Section, 1st Ring Rd., Chengdu, Sichuan 610041, China; Dept. of Information Systems and Quantitative Analysis, Univ. of Nebraska Omaha, 6001 Dodge St., Omaha, NE 68182; Key Laboratory of Big Data Mining and Knowledge Management, Chinese Academy of Sciences, Beijing 100190, China.
3. Professor, Dept. of Computer Science, Univ. of Nebraska Omaha, 6001 Dodge St., Omaha, NE 68182.