iiRDS materials for intelligent information delivery

iiRDS Materials

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iiRDS Materials and Downloads

Here you can find the RDF schemes and specifications of the different versions of the iiRDS Standard, the sample content, and known issues.

If you are technically interested in how iiRDS works and want to access the materials, log in and download the materials. Don't have a user account yet? Then register using the menu at the top of this page or the link below to take a look at the specification and the RDF schemes.

iiRDS is published under Creative Commons CC BY ND. The materials are also publicly available on GitHub.


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  • access iiRDS specifications
  • download the RDF schemas and information material
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iiRDS Version 1.2

Version 1.2 was released on November 10, 2023. It features SKOS labeling, revised definitions and connection to external classifications. Information about the changes compared to version 1.1 can be found there in the release notes.

Go to Version 1.2

iiRDS Version 1.1

Version 1.1 was released on November 3, 2020. Information about the changes compared to version 1.0.1 can be found there in the release notes.

Go to Version 1.1

iiRDS Sample Content

The iiRDS Sample Content was published on October 17, 2019 to help interested parties get started with iiRDS.

Go to sample content

Known Issues

Here we inform you about known issues of iiRDS and you can give us feedback.

Go to known issues

Implementation tools

Information on tools to get started as well as best practices and use cases from pilot projects can be found on our website at

Tools & Implementation

Any Questions?

iiRDS Project Manager
Susanne Lohmüller
+49 711 65704-78

Contact us!

iiRDS Whitepaper

Get an overview of the framework, approach and benefits of iiRDS, including use cases and a checklist for decision makers.