[euopendata] A data catalog in dcat mapped to Eurovoc...

Sun Feb 6 22:22:02 UTC 2011

Hi Peter!

This is fantastic news, I'm very excited to see this new format! FWIW,
I will make sure to include opengov.se in our little index at
publicdata.eu as soon as possible - the integration should be trivial
and serve as a rough test that we're "talking the same language" now.

On Sun, Feb 6, 2011 at 10:59 PM, Peter Krantz <peter.krantz at gmail.com> wrote:
> The index mechanism is an Atom feed listing all items in the catalog:
>
> http://www.opengov.se/feeds/data/

Just to verify: does this support the more eccentric features of
AtomPub, such as paging? Looking at it now, it seems to me the number
of records is smaller than what I think is in your catalog.

> Each entry has some basic info (title etc) and a link element pointing
> to the RDF representation of the catalog item:
>
> E.g. http://www.opengov.se/data/6/rdf/

This looks extremely useful, so just two tiny comments:

1) It seems to me that "xmlns:catalog="http://data.gov/catalog/">" was
left in by accident.
2) You're specifying formats (in a nice way, btw!) on a per-dataset
level. My previous understanding had been that this would be a
property of the distribution, e.g. you'd have a Distribution accessURL
www.foo.org/test.xml with format "XML" and a second one to
www.foo.org/test.json with format "JSON". I think we should find a
shared convention on this - it just makes re-use so much easier.
What's your take, Richard?

> I have added basic concept mapping to Eurovoc using the dcat:theme
> property (e.g. http://eurovoc.europa.eu/4864 above). The idea is to
> make it easy for people to find datasets in other countries even if
> information isn't available in their native language. This requires
> some development at the other end of the wire of course.

This is extremely useful. How do you align your datasets to Eurovoc -
using some mapping of keywords or manually?

> Would this suffice for aggregators or would ppl like a huge RDF dump
> instead of an atom feed?

I'm still a big fan of using Atom for this :-)

Best wishes,

 Friedrich