About this article
Published Online: Sep 01, 2015
Page range: 1837 - 1854
Received: Apr 15, 2015
Accepted: Jul 12, 2015
DOI: https://doi.org/10.21307/ijssis-2017-832
Keywords
© 2015 Xing Haihua et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Haihua, Xing
College of Information Science and Technology, Beijing Normal UniversityBeijing, China
College of Information Science and Technology, Hainan Normal UniversityHaikou, China
Xianchuan, Yu
College of Information Science and Technology, Beijing Normal UniversityBeijing, China
Dan, Hu
College of Information Science and Technology, Beijing Normal UniversityBeijing, China
Sha, Dai
College of Information Science and Technology, Beijing Normal UniversityBeijing, China