Hello,
Speaking about horsepower on Linked data, this could be a project to follow
: http://linkeddatafragments.org/
Cheers,
Nicola Vitucci nicola.vitu...@gmail.com a écrit :
Hi all,
sorry for the late answer. First of all, thanks for the encouraging
comments! In order to track suggestions
This is a great development!
I managed to run some simple queries, but I am having trouble with
profiling-type queries such as
select
?p (count(*) as ?cnt)
{ ?s ?p ?o}
group by ?p
order by desc(?cnt)
You can generally run those O.K. on the DBpedia SPARQL endpoint. It would
be nice
On 09.04.2015 01:11, Nicola Vitucci wrote:
...
Indeed. I made this temporary change on WikiSPARQL, so that links like
in Jean-Baptiste's examples may work properly. If you try this:
http://wikisparql.org/sparql?query=DESCRIBE+%3Chttp%3A//www.wikidata.org/entity/Q18335803%3E
and then click on
P.S. Your interface is very nice, but as Paul remarked it seems that
some of the queries are a little slow. Could you maybe rewire the SPARQL
execution to our endpoint at http://milenio.dcc.uchile.cl/sparql? It
seems to be faster. Of course, I understand if you want to use it for
your own
On 08.04.2015 17:24, Nicola Vitucci wrote:
Il 08/04/2015 16:36, Markus Krötzsch ha scritto:
On 08.04.2015 15:07, Nicola Vitucci wrote:
Hi Markus,
would you recommend to add some sort of patch until the new dumps are
out, either in the data (by adding some triples to a temporary graph) or
just
Il 08/04/2015 23:43, Markus Krötzsch ha scritto:
On 08.04.2015 17:24, Nicola Vitucci wrote:
Il 08/04/2015 16:36, Markus Krötzsch ha scritto:
On 08.04.2015 15:07, Nicola Vitucci wrote:
Hi Markus,
would you recommend to add some sort of patch until the new dumps are
out, either in the data
Hello,
Thank you for this initiative.
However, there is a little problem with the Properties on the result
pages. For instance on the result page of this query
http://wikisparql.org/sparql?query=DESCRIBE+%3Chttp%3A//www.wikidata.org/entity/Q18335803%3E
all Wikidata properties have an extra
2015-03-23 16:37 GMT+01:00 Markus Krötzsch mar...@semantic-mediawiki.org:
Brilliant, we should set up a page with a list of SPARQL endpoits for
Wikidata! For production usage, it is great to have a variety to chose from.
strong +1
Also, would you mind if the examples you shared on this list
On 4/8/15 6:14 AM, Cristian Consonni wrote:
2015-03-23 16:37 GMT+01:00 Markus Krötzschmar...@semantic-mediawiki.org:
Brilliant, we should set up a page with a list of SPARQL endpoits for
Wikidata! For production usage, it is great to have a variety to chose from.
strong +1
Also, would you
Hi Jean-Baptiste,
Your observation is correct. This is because a single Wikidata statement
(with one Wikidata property) does not translate into a single triple
(with one RDF property) in RDF. Rather, several RDF triples are used,
they need to use more than one property, and these properties
Thank you, I will have a look to your publication to have a better
understanding of the mecanism of RDFisation.
Are you also going to solve the problem with the links to the wikidata
ontology ? For instance on this page
Il 08/04/2015 16:36, Markus Krötzsch ha scritto:
On 08.04.2015 15:07, Nicola Vitucci wrote:
Hi Markus,
would you recommend to add some sort of patch until the new dumps are
out, either in the data (by adding some triples to a temporary graph) or
just in the Web interface for the external
On 08.04.2015 15:07, Nicola Vitucci wrote:
Hi Markus,
would you recommend to add some sort of patch until the new dumps are
out, either in the data (by adding some triples to a temporary graph) or
just in the Web interface for the external links?
If you need it ASAP, you could actually just
On 08.04.2015 16:02, Jean-Baptiste Pressac wrote:
Thank you, I will have a look to your publication to have a better
understanding of the mecanism of RDFisation.
Are you also going to solve the problem with the links to the wikidata
ontology ? For instance on this page
Thanks,
Jean-Baptiste Pressac
Traitement et analyse de bases de données
Production et diffusion de corpus numériques
Centre de Recherche Bretonne et Celtique
Unité mixte de service (UMS) 3554
20 rue Duquesne
CS 93837
29238 Brest cedex 3
tel : +33 (0)2 98 01 68 95
fax : +33 (0)2 98 01 63 93
Hi everyone,
I'd just like to announce another experimental Wikidata SPARQL endpoint
[1], kindly provided by the folks at SpazioDati [2].
It contains both the simplified and the complete dumps, as per [3].
Each dump file is stored under a different named graph.
We are collecting the query
Brilliant, we should set up a page with a list of SPARQL endpoits for
Wikidata! For production usage, it is great to have a variety to chose from.
==WARNING==
The RDF format is currently in flux. The purpose of the Chilean endpoint
http://milenio.dcc.uchile.cl/sparql is to gather feedback
On 3/20/15 4:09 PM, Markus Kroetzsch wrote:
Hi Dmitriy,
Yes, you are right. There are some countries that have a value for
dissolved or abolished (P576) but no end date for instance of
sovereign state. This includes the United Kingdom of the
Netherlands. Probably these should get an end date
Hi Markus,
Is ?statement :P31v :Q3624078 .
FILTER NOT EXISTS { ?statement :P582q ?endDate }
really enough to filter off currently non-existing countries?
Because I have such code in my Python bot:
http://paste.debian.net/162319/
And even with so many filters, there is a bit strange Kingdom
Dear all,
Thanks to the people at the Center of Semantic Web Research in Chile
[1], we have a very first public SPARQL endpoint for Wikidata running.
This is very preliminary, so do not rely on it in applications and
expect things to fail, but you may still enjoy some things.
On 3/20/15 2:08 PM, Markus Kroetzsch wrote:
Dear all,
Thanks to the people at the Center of Semantic Web Research in Chile
[1], we have a very first public SPARQL endpoint for Wikidata running.
This is very preliminary, so do not rely on it in applications and
expect things to fail, but you
On 20.03.2015 19:08, Markus Kroetzsch wrote:
...
Feedback (and other interesting queries) are welcome :-)
Here's another nice query:
Find all astronomical bodies on which Wikidata has some coordinates,
ordered by the number of coordinates that refer to them:
PREFIX :
22 matches
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