SAGE系统采用来自国家地理空间情报局的国土安全基础设施计划的地理空间数据。
SAGE USES geospatial data from the National geospatial Intelligence Agency's Homeland Security Infrastructure Program.
改进了安全级比较的规则，使得更适合现实中空间数据存取控制的需求。
Improve the rules of comparing the security label, which meet the practical demand of the Access Control for spatial database.
安全空间数据库是当前信息安全研究的一个重要分支，具有广泛应用前景。
Security spatial DBMS, which is an important branch of the current information security research, has wide application future.
应用推荐