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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


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:

Diagram showing how skos:member, skos:subClassOf, rdfs:related and rdfs:seeAlso are interpreted by the catalogue to generate class diagrams

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 you can: