Structured Data Transform Language

A model for describing data transformations.

Published 1.0

• SDTL 1.0 Documentation

2.0 Development Version

• SDTL Development Version Documentation
• SDTL Development Version Outputs
• SDTH Development Version Documentation

SDTL Model Output Formats

The canonical format for SDTL 1.0 was JSON. SDTL version 2 (current development) is available in the published format listed below.

Published formats are:

• JSON Schema
• XML Schema
• OWL 2 ontology in Turtle and JSON-LD
• JSON-LD instance context
• SHACL shapes (production 2017 profile and preview SHACL 1.2 profile)
• OMG's UML XMI 2.5
• Sphinx HTML documentation and visualizations
• C# class library with JSON and XML serialization
• Typescript / Javascript library with JSON and XML serialization
• Python library with JSON and XML serialization
• Pydantic library with JSON and XML serialization
• Dublin Core Tabular Application Profile
• LinkML
• SVG and dot visualizations
• GraphQL schema language

Example JSON Instances

Some example JSON instances are created by the SPSS to SDTL tools every time an update is made to those tools.

• CPS transforms example
• Expression example