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Re: The truth about SPARQL Endpoint availability

From: Michael Hausenblas <michael.hausenblas@deri.org>
Date: Mon, 28 Feb 2011 23:16:11 +0000
Cc: Linked Data community <public-lod@w3.org>
Message-Id: <ACF37616-70D8-49B2-8E8C-E1616EAF1D76@deri.org>
To: Pierre-Yves Vandenbussche <pierre-yves.vandenbussche@mondeca.com>

Pierre-Yves,

Great contribution to the eco-system, congrats! Where applicable and  
if possible you may want to consider using the SD vocab as described  
in [1].

KUGTW!
Cheers,
	Michael
[1] http://www.w3.org/2001/sw/interest/void/#sparql-sd
--
Dr. Michael Hausenblas, Research Fellow
LiDRC - Linked Data Research Centre
DERI - Digital Enterprise Research Institute
NUIG - National University of Ireland, Galway
Ireland, Europe
Tel. +353 91 495730
http://linkeddata.deri.ie/
http://sw-app.org/about.html

On 28 Feb 2011, at 23:03, Pierre-Yves Vandenbussche wrote:

> Kingsley,
>
> Thanks for your support. All data available through the SPARQL  
> endpoint is compliant to this vocabulary: http://labs.mondeca.com/vocab/endpointStatus 
>  which relies on VoID . What Robert suggested me is to integrate  
> RDFa in RSS feed which is a great idea.
>
> I will for sure improve the endpoint accessibility for humans.
>
> Pierre-Yves Vandenbussche
> Research & Development
> Mondeca
> 3, citÚ Nollez 75018 Paris France
> Tel. +33 (0)1 44 92 35 07 - fax +33 (0)1 44 92 02 59
> Mail: pierre-yves.vandenbussche@mondeca.com
> Website: www.mondeca.com
> Blog: Lešons de choses
>
>
> On Mon, Feb 28, 2011 at 11:54 PM, Kingsley Idehen <kidehen@openlinksw.com 
> > wrote:
> On 2/28/11 5:43 PM, Pierre-Yves Vandenbussche wrote:
>>
>> Robert,
>>
>> Do you have example of "inline Semantic Web Linked Data in the  
>> feeds" ?
>>
>> My SPARQL endpoint have no human client for the moment ... computer  
>> first !!
>
> Do you have a graph representation of the data describing SPARQL  
> endpoint availability using term from the vocabulary you devised for  
> this effort?
>
> Basically, do you have HTML+RDFa, RDF/XML, N-Triples, Turtle etc..  
> representations of your entity descriptions graphs? You could place  
> SPARQL protocol URLs in <link/> within <head/> as we do re. DBpedia  
> pages, for instance.
>
> Kingsley
>
>>
>>
>> Pierre-Yves Vandenbussche
>> Research & Development
>> Mondeca
>> 3, citÚ Nollez 75018 Paris France
>> Tel. +33 (0)1 44 92 35 07 - fax +33 (0)1 44 92 02 59
>> Mail: pierre-yves.vandenbussche@mondeca.com
>> Website: www.mondeca.com
>> Blog: Lešons de choses
>>
>>
>> On Mon, Feb 28, 2011 at 11:35 PM, Bob Ferris <zazi@elbklang.net>  
>> wrote:
>> Oh sorry,
>>
>> I overlooked this for some reason. What a pitty. However, I thought  
>> more about some inline Semantic Web Linked Data in the feeds. Would  
>> that be an option?
>>
>> Cheers,
>>
>>
>> Bob
>>
>>
>> PS: http://labs.mondeca.com/repositories/ENDPOINT_STATUS delivers  
>> me a "Missing parameter: query". So I guess, I have to parametrize  
>> the request. An instruction for that might be useful then ;)
>>
>>
>> Am 28.02.2011 23:25, schrieb Pierre-Yves Vandenbussche:
>> Hello Robert,
>>
>> Every information produced by this service are stored in a SPARQL
>> Endpoint :
>> http://labs.mondeca.com/sparqlEndpointsStatus/endpoint/endpoint.html
>> These open data are linked to CKAN ones. You can already access them.
>>
>> best,
>>
>> Pierre-Yves Vandenbussche
>> Research & Development
>> Mondeca
>> 3, citÚ Nollez 75018 Paris France
>> Tel. +33 (0)1 44 92 35 07 - fax +33 (0)1 44 92 02 59
>> Mail: pierre-yves.vandenbussche@mondeca.com
>> <mailto:pierre-yves.vandenbussche@mondeca.com>
>> Website: www.mondeca.com <http://www.mondeca.com/>
>> Blog: Lešons de choses <http://mondeca.wordpress.com/>
>>
>>
>>
>> On Mon, Feb 28, 2011 at 10:45 PM, Bob Ferris <zazi@elbklang.net
>> <mailto:zazi@elbklang.net>> wrote:
>>
>>    Congrats Pierre, well done!
>>
>>    This might hopefully become a quite useful resource. Any plans to
>>    publish this information itself as Semantic Web Linked Data?
>>
>>    Cheers,
>>
>>
>>    Bob
>>
>>    Am 28.02.2011 19:55, schrieb Pierre-Yves Vandenbussche:
>>
>>        Hello all,
>>
>>        you have already encountered problems of SPARQL endpoint
>>        accessibility ?
>>        you feel frustrated they are never available when you need  
>> them?
>>        you develop an application using these services but wonder  
>> if it is
>>        reliable?
>>
>>        Here is a tool
>>        <http://labs.mondeca.com/sparqlEndpointsStatus/index.html>[1]
>>
>>        that allows you to know public SPARQL endpoints availability
>>        and monitor them in the last hours/days.
>>        Stay informed of a particular (or all) endpoint status changes
>>        through RSS feeds.
>>        All availability information generated by this tool is
>>        accessible through a SPARQL
>>        endpoint.
>>
>>        This tool fetches public SPARQL endpoints from CKAN
>>        <http://ckan.net/> open data.
>>
>>         From this list, it runs tests every hour for availability.
>>
>>        [1] http://labs.mondeca.com/sparqlEndpointsStatus/index.html
>>        <http://labs.mondeca.com/sparqlEndpointsStatus/index.html>[2]
>>        http://ckan.net/
>>
>>        Pierre-Yves Vandenbussche.
>>
>>
>
>
> -- 
>
> Regards,
>
> Kingsley Idehen	
> President & CEO
> OpenLink Software
> Web: http://www.openlinksw.com
>
> Weblog: http://www.openlinksw.com/blog/~kidehen
> Twitter/Identi.ca: kidehen
>
>
>
>
>
Received on Monday, 28 February 2011 23:17:46 UTC

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