DDI Product Documentation
SDTL 2.0 Development Outputs
XML Schema
JSON Schema
OWL Ontology (Turtle)
OWL Ontology (JSON-LD)
JSON-LD Instance Context
SHACL Shapes (Production)
SHACL 1.2 Shapes (Preview)
UML XMI
Dublin Core Tabular Application Profile (DCTAP)
