1. School of Software, Yunnan University, Kunming, China
2. College of Basic Medicine, Yunnan University of Chinese Medicine, Kunming, China
3. Center for Big Data Research on Culture and Tourism, Taishan University, Tai’an, China
4. School of Computer Science and Technology, Shandong University of Technology, Zibo, China
5. School of Big Data and Intelligent Engineering, Southwest Forestry University, Kunming, China