Temporal constraints are introduced in the user assignment and permission assignment to express and realize more powerful access control semantics.
在用户分配和权限分配中引入时间约束，表示和实现了更为丰富的访问控制语义。
The specification of an information system consists of a set of static constraints, a set of operation descriptions and a set of temporal constraints.
信息系统说明包括静态限制、运算说明和时序限制。
The account management system of campus network has not temporal constraints, its account Numbers are easily attacked and embezzled during some periods.
校园网账号管理系统缺乏时间约束，造成用户账号在某些时间段上易被攻击和盗用。
This model extends the traditional RBAC model with user credentials, temporal constraints and XML document classification to enforce a content-based time-aware multi-granularity access control.
该模型从用户证书、时间约束、XML文档分类等方面对传统的RBAC模型进行了扩展，以实现基于内容的时间上下文敏感的多粒度访问控制。
The tool Mr Barth is employing to effect this transition is linear temporal logic, a system of mathematical logic that can express detailed constraints on the past and the future.
巴斯先生用来实现这一转化过程的工具是线性时序逻辑，一种可以表达过去和未来的详细约束的数理逻辑系统。
Constraints involving multiple time granularities exist in many temporal database applications.
在许多时态数据库应用中，都存在着涉及多时间粒度的约束。
Which order is used is decided by principles of temporal sequence, semantic constraints, anaphora and salience.
制约“用”字短语和“把”字短语位序的原则有时序原则、语义制约原则、照应原则和凸显原则。
Which order is used is decided by principles of temporal sequence, semantic constraints, anaphora and salience.
制约“用”字短语和“把”字短语位序的原则有时序原则、语义制约原则、照应原则和凸显原则。
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