Because CKAN’s harvesting functionality can be used to pull in metadata from other data portals, CKAN can be used to create a federated network of data portals which share data between each other.
This is useful if, for example, a national portal wanted to aggregate information from local government CKAN instances, or if a topic-specific CKAN instance was created which aggregated a subset of datasets from other CKAN sources.
CKAN supports the [DCAT standard](https://github.com/ckan/ckanext-dcat) for data catalogue metadata, so data can also be federated from other non-CKAN catalogues.
- RT @starl3n : Big thanks to @brisbanecityqld @videruminc and @link_digital for covering expenses! An #opendata collaboration supporting #FOS… 1 day ago
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- Shout-out to @klikster for the 7 patches that he has submitted in the last week! 👏 You can start contributing too! http://t.co/rkMWnyg7QJ 7 days ago