Currently,there are a great of research topics that focus on storing and querying XML data in an RDBMS,and publishing relational data as XML documents,and querying XML views of relational data. An overview of XMLdata ...Currently,there are a great of research topics that focus on storing and querying XML data in an RDBMS,and publishing relational data as XML documents,and querying XML views of relational data. An overview of XMLdata management based on RDBMS is given in this paper. Some existing technologies of storing and querying XMLdata in relational databases ,publishing relational data as XML documents,and querying XML views of relational dataare sufficiently surveyed ,their advantages ,disadvantages ,and causes are analyzed.展开更多
针对办公开放XML(Office Open XML,OOXML)格式的文档在全生命周期的隐私安全问题,提出了基于身份加密的OOXML文档安全自毁方案,使得用户的隐私性办公开放XML文档在用户设置的授权期限后主动删除.选择密钥把文档对称加密,同时对该密钥进...针对办公开放XML(Office Open XML,OOXML)格式的文档在全生命周期的隐私安全问题,提出了基于身份加密的OOXML文档安全自毁方案,使得用户的隐私性办公开放XML文档在用户设置的授权期限后主动删除.选择密钥把文档对称加密,同时对该密钥进行基于身份的加密(Identity-Based Encryption,IBE),然后把文档的一部分密文和密钥的密文混合处理,并将混合密文份额发送到对象存储系统上.展开更多
文摘Currently,there are a great of research topics that focus on storing and querying XML data in an RDBMS,and publishing relational data as XML documents,and querying XML views of relational data. An overview of XMLdata management based on RDBMS is given in this paper. Some existing technologies of storing and querying XMLdata in relational databases ,publishing relational data as XML documents,and querying XML views of relational dataare sufficiently surveyed ,their advantages ,disadvantages ,and causes are analyzed.
文摘针对办公开放XML(Office Open XML,OOXML)格式的文档在全生命周期的隐私安全问题,提出了基于身份加密的OOXML文档安全自毁方案,使得用户的隐私性办公开放XML文档在用户设置的授权期限后主动删除.选择密钥把文档对称加密,同时对该密钥进行基于身份的加密(Identity-Based Encryption,IBE),然后把文档的一部分密文和密钥的密文混合处理,并将混合密文份额发送到对象存储系统上.
