Reusing the definitions of others
Our Definitions Catalogue makes is easy to discover what data is collected and used by government no matter who defines it, how it is defined, or where it is defined.
This guide will help you find definitions that you can reuse in your own community.
Finding definitions
Synonyms
Relationships between definitions
The Definitions Catalogue allows definition authors to describe the relationships between definitions. These relationships semantically describe the definitions and to create structured data models.
We store relationships as RDF triples, giving definition authors lots of semantic flexibility.
Showing the relationships
The catalogue will generate UML class diagrams if definitions have the following relations:

Here is a definition from the catalogue with a generated image.
Browsing by community
Using the API
We’ve built an API you can use to integrate the definitions catalogue into your own tools and processes.
Using api.gov.au you can:
- read the documentation,
- try out live examples,
- generate interface code