[ckan-dev] Prelim SPARQL endpoint - request for test

Thu Aug 16 08:43:12 UTC 2012

Hi,

I'm just back from holiday and so expecting to have to catch up on some things, but do you think it worth going through this via Skype, say on Monday? 

Ross

On 16 Aug 2012, at 09:40, Pierre-Yves Vandenbussche wrote:

> Ross,
> 
> It doesn't seem that the endpoint contains an explicit information on the accessURL format such as SPARQL endpoint. 
> Could you please help me find out how to fetch this information using the last release ? 
> 
> Thanks,
> 
> Pierre-Yves Vandenbussche.
> 
> 
> On Mon, Jul 9, 2012 at 7:24 PM, Pierre-Yves Vandenbussche <py.vandenbussche at gmail.com> wrote:
> Great ! You could warn me when this release will be effective ? 
> 
> Thank you,
> 
> Pierre-Yves Vandenbussche.
> 
> 
> 
> On Mon, Jul 9, 2012 at 7:16 PM, Ross Jones <ross.jones at okfn.org> wrote:
> Hi,
> 
> Apologies, but it appears I missed the 1.7 release window with this fix, and so I am expecting this to get into the new 1.8 branch which is due very soon.  The change is in the master branch at https://github.com/okfn/ckan/blob/master/ckan/templates/package/read.rdf#L22 so it should be up on the datahub soon.
> 
> Ross.
> 
> On 9 Jul 2012, at 17:21, Pierre-Yves Vandenbussche wrote:
> 
>> Hello Ross,
>> 
>> I come back to you concerning the Datahub sparql endpoint. Have you added the information of format (dct:format) about a distribution ? Unless I missed something, I don't see this information. 
>> 5 persons asked me about the SPARQL endopoint status tool but I do not have any fresh data since march.
>> 
>> All the best,
>> 
>> Pierre-Yves Vandenbussche.
>> 
>> 
>> On Wed, May 23, 2012 at 2:48 PM, Ross Jones <ross.jones at okfn.org> wrote:
>> 
>> It's likely to change once I've got access to DNS to setup the CNAME (but it will only be a CNAME). Currently ruminating on semantic.datahub.io/semantic.thedatahub.org
>> 
>> I'll chase that up now.
>> 
>> Ross
>> 
>> 
>> On 23 May 2012, at 13:40, Pierre-Yves Vandenbussche wrote:
>> 
>>> That's a very good news :) 
>>> 
>>> Is the SPARQL endpoint URL still  http://linkeddata.openlinksw.com/sparql  ? And is this URL stable or is it subject to changes ?
>>> 
>>> Thank you.
>>> 
>>> Pierre-Yves Vandenbussche.
>>> 
>>> 
>>> On Wed, May 23, 2012 at 2:35 PM, Ross Jones <ross.jones at okfn.org> wrote:
>>> Hi,
>>> 
>>> Thanks for the gentle reminder, I've implemented this in a branch, and I'll merge the commit into master today so that it appears on the next datahub.io update.  
>>> 
>>> Ross
>>> 
>>> 
>>> On 23 May 2012, at 13:28, Pierre-Yves Vandenbussche wrote:
>>> 
>>>> Hi Ross,
>>>> 
>>>> if you want me to test some intermediate version, I can. 
>>>> This endpoint is very useful and is somehow crucial for a semantic dataset catalogue.
>>>> 
>>>> Best,
>>>>  
>>>> Pierre-Yves Vandenbussche.
>>>> 
>>>> 
>>>> On Fri, May 11, 2012 at 1:31 PM, Ross Jones <ross.jones at okfn.org> wrote:
>>>> Hi,
>>>> 
>>>> Yes, I think I can add that.  It probably won't be right now, and we'll need to arrange for the new dumps to include this but it'll get added  to the RDF.  I've added a ticket at http://trac.ckan.org/ticket/2379 (assigned to myself) and will try to get to it in the next sprint.
>>>> 
>>>> Good feedback.  Keep it coming :)
>>>> 
>>>> Ross
>>>> 
>>>> 
>>>> On 11 May 2012, at 12:22, Pierre-Yves Vandenbussche wrote:
>>>> 
>>>>> Hello Ross,
>>>>> 
>>>>> So sweet to hear that the SPARQL Endpoint is back !!! Thank you Ross.
>>>>> 
>>>>>  My app SPARQL Endpoint Status will rely on you endpoint : http://labs.mondeca.com/sparqlEndpointsStatus/index.html 
>>>>> 
>>>>> In my use case I need to fetch every sparql endpoint associated to a dataset. With the previous version of your endpoint, I was doing this query:
>>>>> SELECT DISTINCT ?dataset ?endpoint ?title ?identifier WHERE { 
>>>>> 	?dataset <http://www.w3.org/ns/dcat#distribution> ?distribution. 
>>>>> 	?distribution <http://purl.org/dc/terms/format> [ <http://moat-project.org/ns#taggedWithTag> [ <http://moat-project.org/ns#name> "api/sparql" ] ]. 
>>>>> 	?distribution <http://www.w3.org/ns/dcat#accessURL> ?endpoint. 
>>>>> 	?dataset <http://purl.org/dc/terms/title> ?title.  
>>>>> 	?dataset <http://purl.org/dc/terms/identifier> ?identifier. 
>>>>> } ORDER BY ?title
>>>>> 
>>>>> Using your new version,dcterms:title of a dataset is now a rdfs:label ... OK
>>>>> 
>>>>> Unfortunately, I don't have the information of "api/sparql"  anymore. So I can not differentiate between a dump file and a SPARQL endpoint... 
>>>>> 
>>>>> Can you add this information  ?
>>>>> 
>>>>> If you need a more complete feedback, just ask :)
>>>>> 
>>>>> Pierre-Yves Vandenbussche.
>>>> 
>>>> 
>>> 
>>> 
>> 
>> 
> 
> 
> 

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