Aim at the characters of spatial data access control, the concept of spatial region access control based on spatial index was proposed.

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。

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This includes identification and authentication, authorization, access control, data masking, auditing, and encryption.

这包括识别、认证、授权、访问控制、数据屏蔽、审计和加密。

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Provide functional and data entitlement by maintaining access control lists of users.

通过维护用户的访问控制列表来提供功能和数据权限。

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Companies can also set access levels and permissions to control the data employees can access and the tasks they can perform remotely.

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If your data is currency such as access control to various amounts of bitcoin on the block chain, then you have surrendered your financial transaction history and potentially the value itself.

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How do you really control access to your valuable data if it is in the cloud?

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