30 01 2008
What is XML? XML is the standard Extensible Markup Language. XML is a metalanguage that defines the syntax used to define other languages labels structured. Its purpose is to help the sharing of information from different systems.

Objectives XML was created under the World Wide Web Consortium (W3C) body which ensures the development of WWW based on the broad specifications of SGML. Its development began in 1996 and the first version came to light on February 10, 1998. The first definition that appeared was: System to define and validate sharing document formats on the Web. During the year 1998 XML grew exponentially, and by that I mean their appeared in media, mentions on web pages, support software, and so on. With regard to its objectives are: * XML must be compatible with SGML. * It should be easy to write programs that process XML documents. * The number of optional features in XML must be minimum, ideally zero.

Advantages The XML pretends to be more suitable for the browsers and easier to use than the HTML, which has always cause problems. The main advantages that the XML language includes are:

– It’s performance is simple and compatible with much aplications.

– Allows you using different languages at the same time.

– You can be sure that you are not having sintaxic errors.

The importances and consequences As IBM Systems Journal says XML has become the predominant mechanism for electronic data interchange between information systems and can be described as a universally applicable, durable “Code of Integration.” As we celebrate its tenth anniversary, it is appropriate to reflect on the role XML has played and the technical ecosystem in which it functions. In this paper, we discuss both the environment from which XML arose and its technical underpinnings, and we relate these topics to companion papers in this issue of the IBM Systems Journal. We discuss the broad consequences of XML and argue that XML will take its place among the technical standards having the greatest impact on the world in which we live. We conclude with some reflections on the significant technical, economic, and societal consequences that XML is likely to have in the future.

http://geneura.ugr.es/~maribel/xml/introduccion/index.shtml#12 (11-01-08 ) 12:01 pm María Isabel García Arenas-Dpt.arquitectura y tecnología de computadoras-U. Granada

http://www.research.ibm.com/journal/sj/452/adler.htm (11-01-08 ) 12:30 pm

http://es.wikipedia.org/wiki/XML (11-01-08 ) 12:45 pm

http://www.ibm.com/developerworks/library/x-matters30.htm (11-01-08 ) 12:50pm

http://www.programación.net/html/xml/htmdsssl/capitulo1.htm#cap1s3 (15-01-08 ) 12:20 pm

http://www.desarrolloweb.com/manuales/18/ (15-01-08 ) 12:30 pm

http://www.w3c.es/divulgacion/guiasbreves/tecnologiasXML (16-01-08 ) 12:40 pm

http://www.w3.org/XML/ (16-01-08 ) 12:45 pm





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