About the Authors

Wei Ren

weirencs@cug.edu.cn

Affiliations School of Computer Science, China University of Geosciences, Wuhan, Hubei, P.R. China, Hubei Key Laboratory of Intelligent Geo-Information Processing (China University of Geosciences (Wuhan)), Wuhan, Hubei, P.R. China

Shiyong Huang

Affiliation School of Computer Science, China University of Geosciences, Wuhan, Hubei, P.R. China

Yi Ren

Affiliation Department of Computer Science, National Chiao Tung University, Hsinchu, Taiwan, R.O. China

Kim-Kwang Raymond Choo

Affiliations School of Computer Science, China University of Geosciences, Wuhan, Hubei, P.R. China, School of Information Technology and Mathematical Sciences, University of South Australia, Adelaide, South Australia, Australia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WR KKRC. Performed the experiments: WR SH. Analyzed the data: WR. Contributed reagents/materials/analysis tools: WR YR. Wrote the paper: WR YR KKRC.