Hi!
> I'm trying to figure out whether the Wikidata label service (the stuff that is
> invoked as
> SERVICE wikibase:label { bd:serviceParam wikibase:language "en" . }
> in queries to the Wikidata query service) is something that can be done in
> SPARQL or whether it is an extension that can't be done in SPARQL. Does
> anyone know the answer to this?
Yes, you can do labels in SPARQL, just do:
?item rdfs:label ?itemLabel.
FILTER(lang(?itemLabel) = 'en')
> The reason that I ask is that it appears that the service accesses the names
> of SPARQL variables in solution sets, and I can't think of how it does that
> using SPARQL facilities.
That part you probably can't do in SPARQL, I think - you have to name
the variables explicitly.
--
Stas Malyshev
[email protected]
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