基于空间索引的二维空间区域访问控制模型

Access control model of 2-D spatial region based on spatial index

针对空间数据的访问控制的特点,提出了基于空间索引的区域访问控制概念。定义了其授权和访问请求判断的规则和约束条件。给出了授权和访问请求判断的方法,建立了二维空间区域访问控制模型。

Aim at the characters of spatial data access control, the concept of spatial region access control based on spatial index was proposed. The 2-D access control model of spatial data was presented. The authorization and access request rules and constraints of spatial region access control were defined, and the method of spatial data access control was described in detail.