1. School of Mathmatics and Computer Science, Quanzhou Normal University, Quanzhou Fujian 362000, China
2. Department of Computer Application, Henan Business College, Zhengzhou Henan 450044, China
3. Institute of Electronic Technology, Information Engineering University, Zhengzhou Henan 450004, China
GAO Da-li SUN Ling XIN Yan. Constrained role-permission based delegation in pervasive computing[J]. Journal of Computer Applications, 2011, 31(05): 1298-1301.