Aimed at the characteristics of CSCW systems involving a large number of users, complicated property relationship and large-scale organizations, a security model was presented based on RBAC theory.

• 摘要针对计算机支持的协同系统用户多，权限关系复杂，组织机构规模大的特点，给出了基于角色的访问控制在CSCW中的安全模型。