DDI Product Documentation
Latest Version
3.3
Model Documentation
XML Schema Documentation
Best Practices for Usage of DDI Lifecycle
Technical Guide
Upcoming Development Version
Development Version (4.0)
Model Documentation
Historical versions
3.2
Model Documentation
XML Schema Documentation
3.1
XML Schema Documentation
3.0
XML Schema Documentation
Latest Version
2.5
XML Schema Documentation
Historical versions
2.1
XML Schema Documentation
Latest Version
1.0
Model Documentation
Upcoming Development Version
Development Version (2.0)
Model Documentation
Latest Version
1.2
OWL Documentation
Historical versions
1.0
OWL Documentation
Upcoming Development Version
Development Version (1.0)
Model Documentation