@article{Wang:2017rY,
  author = "Wang, Cong  and  Li, Ronghua  and  Shi, Yijie  and  Zhang, Jie",
  title = "{Trust Model Based on Role and Attribute in Cloud Environment}",
  doi = "10.22323/1.299.0068",
  journal = "PoS",
  year = 2017,
  volume = "CENet2017",
  pages = "068"
}