GLAM/Newsletter/October 2025/Contents/Netherlands report
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Open Topstukken project concludes; Network Archives Design and Digital Culture
Conclusion of Open Topstukken (Open Collection Highlights) project

In October 2025, the Wikidata-focused project Open Topstukken (Open Collection Highlights) has concluded with a final presentation at Koninklijke Bibliotheek, the Dutch national library in The Hague.
Open Topstukken was a joint initiative of Radboud University and Maastricht University within the Door Erfgoed Verbonden project.
In the project, 30 carefully selected collection highlights from the library collections of both universities have been digitized, linked, and made more accessible digitally, using Wikidata. The project integrated Linked Open Data (LOD) principles to enhance metadata interoperability and public reach. The collection highlights have been described on Wikidata, and a dedicated Omeka S to Wikidata tool has been developed to facilitate batch integration of data from Omeka S websites to Wikidata.
The project has an extensive project page with a list of the collection highlights, a description of the data model, and an overview of interesting data visualizations. There is also a manual with detailed tips, guidelines and instructions which should prove useful for similar projects.
Also see the general website about the collection highlights (in Dutch), which integrates Wikidata visualizations as well.
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Herbarius (Q135189522) (RU, 1484)
Dutch design and digital culture makers on Wikidata

Netwerk Archieven Design en Digitale Cultuur (Network Archives Design and Digital Culture - NADD) is a Dutch network of over 70 partners, including archives, museums, platforms and experts, working together to safeguard the history of design and digital culture in the Netherlands. NADD contributes to Wikidata for its Linked Open Data infrastructure. On Wikidata, NADD has aggregated and enriched over 20,000 entries for artists, designers, companies and collectives: people and organizations described in (the collections of) its partner institutions, publications and platforms.
General Wikimedia overviews of the project's activities can be found on meta.wikimedia.org and on Wikidata. In June 2025, a Wikidata-driven network visualization was launched on NADD's own website as well.
Some general pointers:
- NADD's general website
- Wikidata-driven visualization of makers active in Dutch design and digital culture, designed by the collective Archival Consciousness
- Overview of partners and datasets, from large museums like the Stedelijk Museum Amsterdam to smaller organizations and initiatives.
- The project's working process in Wikidata, with information about data collection, data model and other best practices.
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Wikidata data quality dashboard maintained by the NADD project
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Example of Wikidata statement with sources and corrections
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A Wikidata-driven graph, showing the gender distribution of NADD-related people, per decade
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