School of Management Science and Engineering Anhui University of Finance&Economics Bengbu 233030 ChinaSchool of Business Administration Anhui University of Finance&Economics Bengbu 233030 China;
School of Management Science and Engineering Anhui University of Finance&Economics Bengbu 233030 China;
School of Management Science and Engineering Anhui University of Finance&Economics Bengbu 233030 China;
Big data analysis; mobile social network; privacy protection; association.;