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XML profile Many years ago man communicate with computers only through the machine-language code. It was very complicated and difficult way of communications. That is why people invented programming languages. They have words like normal natural language. Special commands can be created with the help of logical operands and special syntax. Nowadays variety of programming languages is really great. They serve different purposes and according to their aim have special features. Thanks to the rapid development and great popularity of Internet Web-programming languages also develop greatly.
Not only professional programmers but users as well take great interest in Web- programming languages. You want to create Web page about your pet or chat where you can discuss new song of your favorite artist with like-minded persons. Everything is possible. Adam Bosworth, General Manager, Microsoft Corporation, states, XML is tailor made as a way to move this coarse-grained information around the web, whether the information is purchase orders, personnel records, portfolios, or just parameters. It is open, easy, and flexible. It is self-describing. If the proposals in XML-DATA are adopted, it supports rich extensible data-types and additional meta-data that a tool might want to understand how to use or interpret this data.
Virtually any logical view's data can be described and transported using XML although XML does prove to be cumbersome for expressions and script and could use some enhancement particularly in the latter area (Microsoft's Vision for XML, Paris 1998) So what is the XML? It is one of the Web-programming languages named eXtended Mark Language. XML is a markup language for documents containing structured information. (A Technical Introduction to XML, p .2) Structured information contains some words and pictures and some indication on the role which play words and pictures (for example, content in a section heading has a different meaning from content in a footnote, which means something different than content in a figure caption or content in a database table, etc.) You may come across with such construction almost in every document. A markup language is a mechanism to identify structures in a document. The XML specification defines a standard way to add markup to documents.(A Technical Introduction to XML, p .2) The XML is rather wide used language and it is amazing because it is not a year old. It gained its popularity because of easy and understandable grammar, high level of flexibility and great potential.
XML document refers to the myriad XML data formats such as vector graphics, e-commerce transactions, mathematical equations, object meta-data, server APIs, and a thousand other kinds of structured information. Adam Bosworth, General Manager, Microsoft Corporation, pointed, XML is the building block. XML-DATA is the required next step. Then, as we have seen, we do need agreement upon some specific XML grammars and we must remember to keep these grammars simple, open, and easy. If we do all this, the power we unleash to the normal developer is incalculable. It becomes possible to build systems for any line of business application, for collaboration, and systems for intelligent information retrieval including for goods and services.
(Microsoft's Vision for XML, Paris 1998) XML is a freedom limited only with your fantasy. It is unimportant what platform for your Web-applications you choose Sun, Linux or Microsoft, in any case your Web-services will communicate through the XML. XML documents are human-legible and reasonably clear. XML is compatible with SGML, which only extends its capabilities. Users can view XML documents as quickly and easily as HTML documents. Also XML as a very powerful technology demands great attention from the programmer.
With the help of XML you can create many unbelievable things but you must remember that your mistakes can ruin all thing. Bibliography Adam Bosworth, General Manager, Microsoft Corporation, Microsoft's Vision for XML, Paris, April 1998. Retrieved March 25, 2005 from http://www.xml.com/ Norman Walsh, A Technical Introduction to XML, p .2. Retrieved March 25, 2005 from http://xml.coverpages.org/ About XML, 2004. Retrieved March 25, 2005 from http://www.citforum.ru/internet/xml/xml_fant/.
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