Affiliation: | 1. Faculty of Computer Science and Information Technology, Digital Fujian Institute of Big Data for Agriculture and Forestry, Fujian Agriculture and Forestry University, Fuzhou, People's Republic of China;2. College of Mathematics and Computer Science, Fujian Normal University, Fuzhou, People's Republic of China;3. School of Mathematics and Physics, Fujian Provincial Key Laboratory of Big Data Mining and Applications, Fujian University of Technology, Fuzhou, People's Republic of China |