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Beijing and Shanghai Chinese Translation Service in The field of XML data exchange standards



2.10.5 XML data exchange standards

XML is short for Extensible Markup Language. XML is a set of rule for defining semantic markups, which separates a documents into many components and identify these components. It is also a metalanguage, i.e. a syntax language which defines other languages defining semantic and structured markups related to specific domains.

XML is a concise SGML which integrated rich SGML functions and HTML's usability to Web. XML keeps SGML’s extensibility, which makes XML fundamentally different from HTML. XML is far more powerful than HTML, and no longer a fixed markup language, it allows to define limitless markups to describe data in a document, and also allows nested information structure. HTML is only an common method for Web to display data, whereas XML provides an common approach to directly processing Web data. HTML focuses on description of display format of Web pages, whereas XML focuses on description of contents of Web pages.

XML is used for storage of data. XML is not an alternative to HTML, XML and HTML are two languages of different purposes. XML is designed to describe data which focuses on what is data and how they are stored.

In Internet world, XML are primarily used for two purposes: the first is served as metalanguage for defining various instance markup language standards; and the second is served as a standard exchange language for describing exchange of data.

Beijing Mandarin Chinese Translation Service Company has translated many technical documents in the field of XML data exchange standards.
华译网北京翻译公司翻译过大量有关XML数据交换标准文件资料。

2.10.6 Metadata management technology
Metadata is ‘data about data’ or ‘info. about info.’ used to describe various graphic information and content, quality, presentation mode, space reference system, management mode of oilfield professional dataset and other features, it is the core content to implement various heterogeneous dataset share.. it is to describe high structural data of information resource, manage and organize information, mine information resource, help people to retrieve information, and acquire demanded content by comparing the same metadata attained from various resources and organizations.

Under unified distributive database system framework, it is to establish extensible metadata criterion and storage, custom, management, service etc mechanism to provide extensible distributive metadata management system to implement metadata management and maintenance under network environment and database retrieval, access, interactivity, share by utilizing metadata database.

Metadata management system includes professional model metadata, graphic description metadata, system profile metadata, database metadata etc.

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