Together, the default role and default policy make up the default authorization: the implicit rule of access on the cube for users with no explicit rule of access.
默认角色和默认策略共同构成默认授权：多维数据集上针对没有显式访问规则的用户的隐式访问规则。
XACML builds on SAML by providing the actual semantics used to define access control policy and authorization request and response messages.
XACML构建于SAML之上，提供了用于定义访问控制和授权请求及响应消息的实际语义。
All users who do not belong to a role with explicit authorization on the dimension are members of the default role, and they are able to access the dimension according to the default policy.
只要用户不属于对维度具有显式授权的角色，它就属于默认角色的成员，可以根据默认策略访问该维度。
The Subscriber is also authorized to invoke the subscribed service in the Tivoli Access Manager-based authorization policy decision point.
还授权订阅者在基于TivoliAccessManager的授权策略决策点调用已订阅的服务。
On the other hand, time is a critical factor in the access control policy of some enterprise. User's authorization is restricted at predefined time periods.
另一方面，在某些企业的访问控制策略中，时间是一个关键性因素，用户的授权被限制在预先定义的时间范围内。
On the other hand, time is a critical factor in the access control policy of some enterprise. User's authorization is restricted at predefined time periods.
另一方面，在某些企业的访问控制策略中，时间是一个关键性因素，用户的授权被限制在预先定义的时间范围内。
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