This paper holds that,role specialization among policy-makers,service-providers,and trade-managers of urban public services in various governmental departments creates a condition for the change from separated administration of departments to administration of departments with d.

For role analysis,an approach to social requirement analysis,it aims at role attributes today and tomorrow.

Role and knowledge component are two important concepts in the theory of curriculum development in which role is the medium connecting society and individual and the role culture relates the society, individual and curriculum; the role analysis can help curriculum developers realize the social and individual needs while the knowledge component is the basic unit of curriculum.

A Role Assignment Method of Multi-Intelligent Agent Cooperation Based On Four-Legged Robot Soccer Match;

Robot soccer role assignment system based on fuzzy consistent relation;

Multi-agent reinforcement learning and its application to role assignment of robot soccer

The model uses attributes of role and a means of role-decompose to make relation of role to permission,so that access control policy is implemented accurately and the burden of administrator is relieved.

Combining with RBAC model,a graded roles based access control model is put forward.