On 25.05.2016 15:59, Thomas Tanon wrote:
Hello!
No, I don't know. What you could do is to use a regular linked data property like
owl:sameAs with as value the URI of the Wikidata item, like
http://www.wikidata.org/entity/Q1391034.
So you would have something like (using wd: as prefix for
http://www.wikidata.org/entity/):
mydata:writer/561 a efrbroo:F10_Person ;
owl:sameAs wd:Q1391034 .
Yes, the preferred way to refer to Wikidata items in RDF is definitely
to use their URI, not just their string ID. Whether owl:sameAs is the
right property for your case depends on what you use your data for. One
could also use weaker notions that provide the link without asserting
identity.
An important advantage of using URIs instead of string IDs is that you
do not need to encode that this is a Wikidata ID. You can use any
property you like to make the connection, and it will still be clear
from the URI that you refer to Wikidata.
Best regards,
Markus
Le 25 mai 2016 à 15:17, Jean-Baptiste Pressac
<Jean-Baptiste.Pressac(a)univ-brest.fr> a écrit :
Hello,
I stored in a database about writers in breton language the wikidata item ID associated
to those writers (for instance, Q1391034 for Théodore Hersart de La Villemarqué). Is there
a property in a RDF ontology to designate a Wikidata item ID (or should I say entity ID ?)
? So that I could expose my data in RDF with triplets like:
mydata:writer/561 a efrbroo:F10_Person ;
wd:????? Q1391034.
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
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CS 93837
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fax : +33 (0)2 98 01 63 93
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Markus Kroetzsch
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