查询词典 access control

The translating process is a necessary step for eliminating the effects of both the heterogeneity and autonomies of the underlying data sources and providing a unification representation of schema and access control in the interoperation platform.

本文设计了一套用公共对象模型概念表示的互操作转换规程和对象查询语言IOQL，并给出了多个自治数据源环境下，对继承、引用等复杂结构的存取控制规则。

This system ensures the security of database server by certificating authority and tuple-level mandatory access control based on network isolation.

该系统在网络隔离的基础上通过身份认证和元组级强制访问控制来保证数据库系统的安全，可提高数据库系统安全性。

I studies the theory and application about the distributed WfMS and it's security mechanism through colligating workflow technology、the server cluster、the new software architecture、the advanced safe access control technology、the mature theories about the management system and their practice.

作者将工作流技术、服务器集群技术、新型体系结构、先进的安全访问控制技术和成熟的管理系统理论与实际应用相结合进行了分布式WfMS及其安全机制应用研究。

The cores of access control base on role are user, role, privilege and relationship between them.

基于角色的访问控制的核心是用户、角色和权限以及它们之间的关系。

After decoding the user role encapsuled in active packet, we can obtain the method describing policy of access control in policy store, called capability.

在主动信包中封装用户角色信息，主动节点解析出用户角色后，依据它在策略库中匹配相应的描述控制访问权限策略的方法，即权能。

By database encrypting, and key management and users access control, we can protect the database from destroying .

通过数据加密、密钥管理、用户访问控制等一系列的手段来保护数据库内部数据的安全。

A firewall is a system or group of systems that enforces an access control policy between two networks.

防火墙是在两个网络之间执行访问控制策略的一个或一组系统。

In order to differentiate real-time traffic from best-effort traffic in multi-hop Ad hoc networks, a new differentiated medium access control scheme, differentiated label-swiching distributed coordination function is proposed. Forwarding information is obtained by label in MAC layer and is piggybacked in Request-acknowledgement frame.

为了在多跳Ad hoc网络中提供实时业务和尽力而为业务的区分服务，提出了一种支持区分服务的媒体接入控制机制――支持区分服务的标签交换分布式协调功能。

Hence Medium Access Control should be reinvestigated.

介绍了一种支持协作通信的通用框架，并提出了一套协作MAC协议。

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公司生产的新力宝、大卫林系列办公产品是以指纹保险箱、指纹纸卡考勤机、指纹考勤机、指纹门控机、射频门禁机、射频门控机、射频考勤机、电子考勤钟为龙头，配套装订机、支票机、打孔机、碎纸机。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。