[ckan-dev] RDF about CKAN datasets: not as good as it used to be.

[Timothy Lebo]

On May 21, 2012, at 5:59 AM, Ross Jones wrote:

> Hi,
> 
> I'll take a look at this on Wednesday when I'm back and see if I can find all the missing parts to reinstate them.

Thanks, Ross.

It would be great to have the well modeled RDF "natively available" instead of post-processing.

If there is anything that I can do to help, please let me know.

Regards,
Tim


> 
> Ross
> 
> 
> On 20 May 2012, at 18:23, Tim Lebo wrote:
> 
>> Hi, Ross.
>> 
>> I mean the RDF when dereferencing the dataset URI with content negotiation for rdf/XML.
>> 
>>> …
>>>> 
>>>> A few months ago, the RDF provided when dereferencing a dataset's URI was very useful.
>>>> It described the datasets using many of the "right" RDF vocabularies (dcterms, void, etc).
>>>> 
>>>> The RDF that is returned now no longer has these nice descriptions. 
>>>> Instead, it seems to be a mindless transcription of the CKAN record.
>>>> 
>>>> For example, the older descriptions gave:
>>>> 
>>>> <http://thedatahub.org/dataset/farmers-markets-geographic-data-united-states>
>>>> void:subset [
>>>>     void:target <http://thedatahub.org/dataset/farmers-markets-geographic-data-united-states>, <http://thedatahub.org/dataset/geonames-semantic-web> ;
>>>>     void:triples 50 ;
>>>>     a void:Linkset
>>>> ], [
>>>>     void:target <http://thedatahub.org/dataset/dbpedia>, <http://thedatahub.org/dataset/farmers-markets-geographic-data-united-states> ;
>>>>     void:triples 52 ;
>>>>     a void:Linkset
>>>> ], [
>>>>     void:target <http://thedatahub.org/dataset/farmers-markets-geographic-data-united-states>, <http://thedatahub.org/dataset/govtrack> ;
>>>>     void:triples 52 ;
>>>>     a void:Linkset
>>>> ] ;
>>>> void:triples 130005 ;
>>>> 
>>>> 
>>>> 
>>>> but now it's simply:
>>>> 
>>>> <http://thedatahub.org/dataset/farmers-markets-geographic-data-united-states>
>>>> dct:relation  [
>>>>     rdf:value "130005" ;
>>>>     rdfs:label "triples"
>>>> ], [
>>>>     rdf:value "52" ;
>>>>     rdfs:label "links:dbpedia"
>>>> ], [
>>>>     rdf:value "50" ;
>>>>     rdfs:label "links:geonames-semantic-web"
>>>> ], [
>>>>     rdf:value "52" ;
>>>>     rdfs:label "links:govtrack"
>>>> ] ;
>>>> 
>>>> 
>>>> My old copies of the dataset descriptions mentioned a "GoLD CKAN 1.0" that was credited for the nicer modeling.
>>>> 
>>>> Where did that go? Can we get it back?
>>>> 
>>>> Thanks,
>>>> Tim Lebo
>>>> 
>>>> 
>>>> 
>>>> 
>>>> <http://semantic.ckan.net/record/91d2c0de-75a4-4bb6-b260-bc2946e1be8b>
>>>> dc:source <http://ckan.net/> ;
>>>> opmv:wasGeneratedBy [
>>>>     opmv:used <http://ckan.net/api/rest/package/farmers-markets-geographic-data-united-states>, <http://ckan.net/api/rest/revision/9c2545b8-ebf1-42bf-ac92-633ff5ceba3f> ;
>>>>     opmv:wasControlledBy [
>>>>         a foaf:Agent ;
>>>>         foaf:name "GoLD CKAN 1.0"
>>>>     ] ;
>>>>     opmv:wasPerformedAt [
>>>>         a time:Instant ;
>>>>         time:inXSDDateTime "2012-01-31T05:34:32Z"^^xsd:dateTime
>>>>     ] ;
>>>>     a opmv:Process
>>>> ] ;
>>>> a dcat:CatalogRecord ;
>>>> dcat:dataset <http://thedatahub.org/dataset/farmers-markets-geographic-data-united-states> ;
>>>> 
>>>> …
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>>>> ckan-dev at lists.okfn.org
>>>> http://lists.okfn.org/mailman/listinfo/ckan-dev
>>> 
>>> 
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