slide 38

Current XML Modeling/Constraint Languages

(so you will have heard the names)

• Formal definitions of XML vocabulary/constraints
• Express XML models and/or constraints for XML documents
• Used in XML validation (called “parsing”)
• Languages
  • XML 1.0 and 1.1 DTD (Document Type Definition) [W3C]
  • W3C XML Schema (XSD) [W3C]
  • RELAX NG [ISO]
  • Schematron [ISO]