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Re: SPARQL servers used in the LOD Cloud

From: Richard Cyganiak <richard@cyganiak.de>
Date: Fri, 1 Oct 2010 14:24:44 +0100
Cc: public-lod@w3.org
Message-Id: <5540EABE-5AD0-4E9C-820D-F21919A0105E@cyganiak.de>
To: Yves Raimond <yves.raimond@gmail.com>
On 1 Oct 2010, at 14:06, Yves Raimond wrote:
> The list seems to miss all the SWI-Prolog endpoints for some reason,
> e.g. http://www.ckan.net/package/jamendo-dbtune

That's because they were all 500 yesterday.

 From what I've seen, at any given time 10-20% of the LOD Cloud SPARQL  
endpoints seem to be down ...

Best,
Richard


>
> Cheers,
> y
>
> On Fri, Oct 1, 2010 at 2:02 PM, Jens Lehmann
> <lehmann@informatik.uni-leipzig.de> wrote:
>>
>> Hello,
>>
>> On 01.10.2010 14:08, Richard Cyganiak wrote:
>>>
>>> The real news here is that we now have more than 100 live SPARQL
>>> endpoints in the Cloud. I'm not going to attempt any further
>>> interpretation of this data, but it should be useful for anyone who
>>> needs SPARQL endpoints for testing their client against.
>>
>> Very nice list. Good to see that there are a few endpoints around.
>>
>> This entry seems to be listed twice:
>> http://api.talis.com/stores/bbc-backstage/services/sparql
>>
>> A while ago I wrote a simple script for finding endpoints, which  
>> had the
>> output listed below. It may or may not be useful for you. There is no
>> guarantee that those endpoints are still working (and of course  
>> there is an
>> overlap with your list). Last time I checked, some of those  
>> endpoints didn't
>> really support SPARQL (failed on simple SELECT/CONSTRUCT/ASK  
>> queries).
>>
>> Kind regards,
>>
>> Jens
>>
>>
>> http://lod.openlinksw.com/sparql/
>> http://www.semantic-systems-biology.org/biogateway/endpoint
>> http://jena.hpl.hp.com:3040/backstage
>> http://dbtune.org/bbc/peel/sparql
>> http://dbtune.org/bbc/playcount/sparql
>> http://www4.wiwiss.fu-berlin.de/dailymed/sparql
>> http://semantic.data.gov/sparql
>> http://data.gov.uk/sparql
>> http://www4.wiwiss.fu-berlin.de/dblp/sparql
>> http://dbpedia.org/sparql
>> http://dbpedia-live.openlinksw.com/sparql/
>> http://www4.wiwiss.fu-berlin.de/diseasome/sparql
>> http://doapspace.org/sparql
>> http://www4.wiwiss.fu-berlin.de/drugbank/sparql
>> http://www.factforge.net/sparql
>> http://openflydata.org/query/flyatlas_20080916
>> http://openflydata.org/query/flyted_20081203
>> http://spade.lbl.gov:2021/sparql,
>> http://spade.lbl.gov:2020/sparql
>> http://dbtune.org/henry/sparql/
>> http://hcls.deri.org/sparql/
>> http://abdera.watson.ibm.com:8080/sparql
>> http://dbtune.org/jamendo/sparql
>> http://data.linkedct.org/sparql
>> http://data.linkedmdb.org/sparql
>> http://lod.openlinksw.com/sparql/
>> http://dbtune.org/magnatune/sparql
>> http://dbtune.org/musicbrainz/sparql
>> http://rdf.myexperiment.org/sparql
>> http://sparql.neurocommons.org/sparql
>> http://myopenlink.net:8890/sparql/
>> http://demo.openlinksw.com/sparql/
>> http://www4.wiwiss.fu-berlin.de/gutendata/sparql
>> http://www.rdfabout.com/sparql
>> http://revyu.com/sparql
>> http://*.rkbexplorer.com/sparql/
>> http://data.semanticweb.org/sparql
>> http://sparql.semantic-web.at/sparql
>> http://www.sparql.org/sparql
>> http://www.wasab.dk/morten/2005/04/sparqlette/
>> http://zbw.eu/beta/sparql
>> http://www4.wiwiss.fu-berlin.de/is-group/sparql
>> http://lsd.taxonconcept.org/sparql/
>> http://uriburner.com/sparql/
>> http://void.rkbexplorer.com/sparql/
>> http://www.w3c.es/Prensa/sparql/
>> http://dannyayers.com:8888/ontoworld/
>> http://www4.wiwiss.fu-berlin.de/factbook/sparql
>> http://api.talis.com/stores/periodicals/services/sparql
>> http://km.aifb.uni-karlsruhe.de/services/sparql
>> http://my.opera.com/community/sparql/sparql
>>
>> --
>> Dipl. Inf. Jens Lehmann
>> Department of Computer Science, University of Leipzig
>> Homepage: http://www.jens-lehmann.org
>> GPG Key: http://jens-lehmann.org/jens_lehmann.asc
>>
>>
Received on Friday, 1 October 2010 13:25:25 UTC

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