On Fri, Oct 27, 2017 at 11:06 AM, Jakob Voß <[email protected]> wrote: > Hi Lydia an all of you, > > Lydia wrote: > >> The identifier can often be expanded to a full URI. (For example, LoC >> ID n81114174 becomes http://id.loc.gov/authorities/names/n81114174.) >> This full URI can then be used in the linked open data web to match >> our data with other datasets and use both of them together easily. >> >> From today on, Wikidata has full URIs for statements that represent >> external identifiers in its RDF exports, and thereby becomes a proper >> citizen of the linked open data web. To make this work the property >> for the external ID needs to have a statement with property “URI used >> in RDF” (https://www.wikidata.org/wiki/Property:P1921). > > > Could you give an example? The RDF of item Q43027 with LoC ID n81114174 does > not include the URI <http://id.loc.gov/authorities/names/n81114174> if > exported with http://www.wikidata.org/wiki/Special:EntityData/Q43027 > > I also tried with a statement just added to make sure it's not some caching > issue. Is the feature not enabled yet? > > In particular I'm interested how the external URI and Wikidata URI are > connected. > > subject: <http://www.wikidata.org/entity/Q43027> > property: ??? > object: <http://id.loc.gov/authorities/names/n81114174> > > I'm sure the RDF-property also depends on the Wikidata-property so this > feature requires some additional tweaking. At least the property is not > always owl:sameAs because we have at least 1-to-n relationships between > Wikidata items and external ids.
Hey :) It is back and your example works now for me. Cheers Lydia -- Lydia Pintscher - http://about.me/lydia.pintscher Product Manager for Wikidata Wikimedia Deutschland e.V. Tempelhofer Ufer 23-24 10963 Berlin www.wikimedia.de Wikimedia Deutschland - Gesellschaft zur Förderung Freien Wissens e. V. Eingetragen im Vereinsregister des Amtsgerichts Berlin-Charlottenburg unter der Nummer 23855 Nz. Als gemeinnützig anerkannt durch das Finanzamt für Körperschaften I Berlin, Steuernummer 27/029/42207. _______________________________________________ Wikidata mailing list [email protected] https://lists.wikimedia.org/mailman/listinfo/wikidata
