Reference vocabularies

PublishMyData Ontologies

Swirrl’s PublishMyData software platform helps government organisations to make their data more accessible and re-usable, enabling better informed decisions.
For an overview of the linked open data standards adopted and extended by PublishMyData you might wish to start reading our Application Profile.
These ontologies are all provided under open licenses, for information on the terms, conditions and obligations of use please see Licensing.

Publish My Data Catalog vocabulary

PMDCat builds on to refine some terms in dcat2 for use in publishmydata.

Publish My Data Geometry Ontology

The PMD Geometry Ontology extends GeoSPARQL to support GeoJSON.

Publish My Data KOS Ontology

PMD Knowledge Organisation System Ontology - Classes to help organise concept schemes and hierarchies.

Classes (1)

You can find more information about Swirrl and our work at