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XML Concepts and Basics
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What is XML?
"XML is a vehicle not only for business-to-busines
s transaction and content management, but for
the encoding of transactional data passed from
business function tobusiness function."
"XML is the ideal basis for a multimedia
publishing concept, which is information on
demand."
"XML can describe the content structures of all
kinds of documents and data in the most
appropriate way for each application."
"An EAI-enabling technology that simplifies
application integration within an organization."
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What is XML ?
"The features of XML make it possible to select
certain contents out of a document and present
them in various media."(Huethig Publishing
Group, Germany)
"With XML it is easy for clients to re-present
the information in the way that bests suits their
needs." (Sportsdata Pty Ltd, Australia)
"In a few years' time, no company in the
automotive sector will be able to manage without
XML." (Lear Corporation, Fiat Division, Italy)
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What is XML ?
A standard developed by theWorld Wide Web
Consortiumfor structured text
The "ExtensibleMarkup Language"
XML makes documents available for
automatedprocessing. The basis is the
separation of content,structure, and
presentation.
A Meta Markup Language
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HTML
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XML
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Compare HTML to XML
Meta Markup Language
XML
SGML
Markup Language
TECHNICAL BOOK
HTML
Define tags yourself
Extensible only bythe W3C
Markup for the presentation in the browser of
text, images, links, ...
Markup with information on the content Example
technical book
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HTML

• Formatting language for Web browsers
• Easy to understand and to use
• Widely used
• No semantics
• Content cannot be recognized and processed by
  programs
• Expensive maintenance of pages
• No common standard
• Difficult to extend (for market-related and
  technical reasons)

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XML

• Meta language
• Markup languages (tags) can be defined
• Like HTML, XML is integrated in the Internet
  technology
• XML separates data and instructions for
  presentation.
• XML is a self-describing data format.
• XML is document- and data-oriented

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Information Technology Until Recently
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Information Technology Today
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XML and ...
Content Management
Document Management
Publishing
Web Services
Data Exchange
Application Integration
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XML and Document Management
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SGML

• Standard Generalized Markup Language(Charles F.
  Goldfarb, Ed Mosher, Ray Lorie)
• Metalanguage to define different document types
• ISO standard 1986 (ISO 8879)
• The idea
• Document processing by computer
• Separation of structure, content and presentation
• System- und vendor-independent
• Drawbacks
• Complex many options for special applications
• Syntax not legible by humans
• Complex and expensive tools

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Document vs. Content Management
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Content Management
Content
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Content Management Systems
Editorial Workflow
Authoring
Media-neutral Data Storage
Cross Media Publishing
Content Administration
Website Management
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XML and Content Management
EditorialWorkflow
Authoring
Media-neutralData Storage
Cross Media Publishing
Content Administration
Website Management
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Weather Data
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Publishing Using Style Sheets
Weather Data
Braille
News Ticker
Frankfurt Wind 4 WNW / Rain / 22C
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XML and Publishing
XForms
XHTML
WML
SMIL
SVG
VoiceXML
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Scalable Vector Graphics
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Data Exchange
Banks
Suppliers
Customers
Payments / Credits
Orders
Order Processing and Service
Enterprises
ServiceProvider
Public Authorities
Transportation/Logistics
Taxes / Regulations
Delivery
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XML and Data Exchange
ebXML
XML / EDI
HL/7
NewsML
FpML
XBRL
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Application Integration
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XML and Application Integration
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Web Services
Web ServiceShipping Order
Web ServiceCredit Card Check
Web ServiceOrder Acceptance
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XML and Web Services
Barnes Noble Book Prices(http//services.xmetho
ds.net80/soap/servlet/rpcrouter)
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Working with XML
Content
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Processing with XML
Processing
Presentation
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Scenarios
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XML Summarized
Homogeneous Technology
HTML WML SVG pdf VoiceML
... Presentation
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Summary

• XML, the Extensible Markup Language, has
  attracted vast attention within a short time. XML
  is based on established standards.
• Areas of application are primarily Document
  Management, Content Management, Publishing, Data
  Echange, Application Integration and Web
  Services. XML therefore concerns applications in
  all areas of commerce, technology, and science.