1. Semi-Structured Data Tutorial # 1- Introduction to XML

2. Objectives What is XML? XML functionality Advantages of XML Sample tags of XML

3. What is XML eXtensible Markup Language. Helps systems share structured data. Meta language which gives meaning to data to be used by other applications. Application and Platform independent. Allows unstructured and semi-structured data. Really Extensible (Allows user define tags)

4. XML Functionality Data Storage and that’s it! The stored data is in plain English Language. No need of special applications to write XML. Application Specific XML (Medical, Real Estate, IT etc) Case Sensitive.

5. Advantages Platform Independency Simpler version of SGML. Easy to understand and read All Schematics are Declarative.

6. Sample XML (Compulsory definition) (Compulsory definition)<menu><item><itemname>soup</itemname><cost>20</cost> </item></menu>

7. Components of XML DeclarationTagsElementsAttributesComments

8. Elements RootElementAttributes ElementAttributes

9. More on XML SchemasParsersEditorsStandards