[Macacity]

The U.S. Open Data catalog [1] has all the metadata and even some data as Linked Data, same with the European Open Data catalog [2]

[1]: https://data.gov/ [2]: https://data.europa.eu/

[lars_francke]

To extend on this. A lot of this is based on DCAT[1] (which is a RDF vocabulary) and for Europe the extension DCAT-AP[2] which is then further extended by country specific standards.

[1] https://www.w3.org/TR/vocab-dcat-3/

[2] https://joinup.ec.europa.eu/collection/semantic-interoperabi...

[3] e.g. https://www.dcat-ap.de/ or https://docs.dataportal.se/dcat/en/