Existing Data Models
Graph and tree models used in research (OEM, UnQL, YAT, etc.)
Document Object Model (DOM)
- status: recommendation
- programmatic interface for XML (with an object-oriented flavor)
RDF Triple-based Model
- describes the statements exported by RDF processors
- can be generated after parsing or after validation (as XML Infosets)
XML languagesí Data Models:
- Xpath: recommendation has itís own Data Model
- XML Query Data Model: working draft