[ckan-dev] CKAN-specific considerations for DCAT-AP

Mon Jan 9 10:53:33 UTC 2017

Thanks for the pointers Fabian.

Adrià

On 6 January 2017 at 13:55, Fabian Kirstein <
fabian.kirstein at fokus.fraunhofer.de> wrote:

> Hi Florian,
>
> I'm part of the team, which is developing the European Data Portal (
> https://www.europeandataportal.eu). We are also supporting DCAT-AP. It is
> part of our CKAN extension (https://gitlab.com/european-
> data-portal/ckanext-edp). We wanted to extract the specific functionality
> into an extra extension, but due to restrictions of the CKAN extension API
> this is not possible. But maybe it helps you anyways. We have basically
> created a mapping from DCAT-AP to CKAN extra fields. (
> https://gitlab.com/european-data-portal/ckanext-edp/blob/
> master/ckanext/eodp/schema/schema.py). So we adding the DCAT-AP as CKAN
> flavor to be compliant to the CKAN API. But we converting it then to RDF
> and storing it in a triplestore too. (Done here
> https://gitlab.com/european-data-portal/ckanext-edp/tree/
> master/ckanext/eodp/sparql_store). So we can offer both, the CKAN API
> with a lot of extra fields and a Linked Data interface. Linked Data can be
> access by a SPARQL endpoint ( https://www.europeandataportal.eu/sparql-
> manager/en/) or by adding rdf to a dataset, e.g. https://www.
> europeandataportal.eu/data/en/dataset/bathymetric-survey-
> 2006-08-01-the-sloyne.rdf.
> One downside from this solution at the moment is that we are routing
> everything through the CKAN schema, which may lead into some loosing of
> nested RDF properties. But we are working on a mechanism to directly
> harvest data into the triplestore.
>
> I hope that helps. If you have any questions feel free to ask!
> Fabian
>
>
> On 16.12.2016 11:09, Florian.Brucker at mb.karlsruhe.de wrote:
>
> Hi!
>
> The German council responsible for the metadata standard for open
> government data  has recently decided to develop a custom DCAT-AP profile "
> DCAT-AP.DE". That profile will be used for collecting and exchanging meta
> data in the open data portals of the German administration (on federal,
> state and municipal level). Many of the German open data portals are
> CKAN-based, so I'm wondering if there's anything CKAN-specific that we
> should keep in mind while developing DCAT-AP.DE. I'm aware of
> ckanext-dcat but have never used it myself.
>
> Does anybody have experiences with using CKAN for DCAT-AP and profiles
> derived from it?
>
> Thanks for any input!
>
>
> Regards,
> Florian
>
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>
> --
> Fabian Kirstein M.Sc.
> Fraunhofer-Institut für Offene Kommunikationssysteme FOKUS
> Digital Public Services (DPS)
>
> Kaiserin-Augusta-Allee 31
> 10589 Berlin, Deutschland
> Tel.  + 49 30 3463 7718 <+49%2030%2034637718>
> E-Mail: fabian.kirstein at fokus.fraunhofer.de
> Internet: www.fokus.fraunhofer.de
>
>
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