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在RDF存储中启用高级和上下文相关的访问控制

Enabling Advanced and Context-Dependent Access Control in RDF Stores
课程网址: http://videolectures.net/iswc07_abel_eacd/  
主讲教师: Fabian Abel
开课单位: 莱布尼兹汉诺威大学
开课时间: 2008-07-01
课程语种: 英语
中文简介:
语义Web数据库允许有效存储和访问RDF语句。应用程序能够使用富有表现力的查询语言来检索相关元数据以执行不同的任务。但是,对元数据的访问可能不会仅对任何应用程序或服务公开。相反,许多语义Web应用程序需要强大而灵活的机制来保护RDF语句集。不幸的是,目前的RDF商店不提供细粒度保护。本文填补了这一空白,并提出了一种机制,通过该机制可以指定复杂和富有表现力的策略,以保护对多服务环境中元数据的访问。
课程简介: Semantic Web databases allow efficient storage and access to RDF statements. Applications are able to use expressive query languages in order to retrieve relevant metadata to perform different tasks. However, access to metadata may not be public to just any application or service. Instead, powerful and flexible mechanisms for protecting sets of RDF statements are required for many Semantic Web applications. Unfortunately, current RDF stores do not provide fine-grained protection. This paper fills this gap and presents a mechanism by which complex and expressive policies can be specified in order to protect access to metadata in multi-service environments.
关 键 词: 有效存储; 查询语言; 相关元数据
课程来源: 视频讲座网
最后编审: 2019-04-28:cwx
阅读次数: 59