slide 34

The XPath 2.0 Data Model

• Same model for XPath 2.0, XSLT 2.0, and XQuery 1.0
• Based on
  • XPath 1.0 data model
  • XPath 2.0 requirements
  • XQuery 1.0 requirements
• Defines what info will be in input to XSLT or XQuery processor
• Defines permissible values of all XPath expressions
• Referred to as XDM — new TLA for “XPath/XQuery Data Model”