XML Schema - XML Schema Languages

XML Schema Languages

• Document Content Description facility for XML, an RDF framework
• Document Definition Markup Language (DDML)
• Document Schema Definition Languages (DSDL)
• Document Structure Description (DSD)
• SGML’s Document Type Definition (DTD)
• Namespace Routing Language (NRL)
• OASIS CAM Content Assembly Mechanism
• RELAX NG and its predecessors RELAX and TREX
• Schema for Object-Oriented XML (SOX)
• Schematron
• XML-Data Reduced (XDR)
• XML Schema (WXS or XSD)