Technology Overview
XML - Extensible Markup Language (W3C Feb98)
- compromise between the non-extensible HTML and full power and complex SGML
- universal format for describing structured data on the Web; meaningful <tags> easy to create; better search results; presenting various views for the same data
- XML represents information “content”; HTML represents the “presentation” of the content
- Well-formed Document : obeys the syntax of XML
- Valid Document: well-formed document that contains the proper DTD (Document Definition Type)