CMS is used to digitally sign or encrypt arbitrary messages. CMS describes an encapsulation syntax for data protection. It supports digital signatures and Encryption. The syntax allows multiple encapsulation, so one encapsulation envelope c...
发布于 2010-05-28 09:33:26
XDM is the foundation of XPath 2.0 and defines the Data Model for XPath 2.0 (and consequently XQuery 1.0 and XSLT 2.0, which are both based on XPath 2.0). XDM is built on top of the XML Info set (the abstraction of an XML document), PSVI (t...
发布于 2010-05-28 09:34:14
Internet technical specifications often need to define a format syntax and are free to employ whatever notation their authors deem useful. Over the years, a modified version of BNF, called ABNF, has been popular among many Internet specific...
发布于 2010-05-28 09:34:46
X.500 is an open, distributed, online directory service which is intended to be global in scope. X.500 is a support service for data exchange which includes providing directory support for data communication services specified by other OSI...
发布于 2010-05-28 09:35:29
Introduction to DBMS A database management system （DBMS） is an important type of programming system, used today on the biggest and the smallest computers.As for other major forms of system software, such as compilers and operating syste...
发布于 2010-05-28 09:36:14
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