【摘要】 论文在自主开发的空间数据库VISTA的基础上针对特定的对象-关系型数据结构,提出了相应的访问控制方法。结合自主存取控制和强制存取控制,规定了主体对客体的访问规则,将违反访问规则的主体行为写入审计日志。并在自主开发的空间数据库VISTA上实现了该子系统。更多还原

【Abstract】 This paper describes the access control method for the specific relational-object data structure on the base of the self-developed spatial database,VISTA.With the combination of MAC and DAC,the authors define the access rules,which can also record the illegal action of subject to audit log.And they offer a complete implement scheme for the security system.更多还原