Hello Thomas,
You can perform a full text search with the API, but not yet with SPARQL
AFAIK. However, it is possible to call the API in a SPARQL query. For
example, here is a query
<https://query.wikidata.org/#SELECT%20DISTINCT%20%3Fperson%20%3FpersonLabel%20WHERE%20%7B%0A%20%20SERVICE%20wikibase%3Amwapi%20%7B%0A%20%20%20%20%20%20bd%3AserviceParam%20wikibase%3Aapi%20%22EntitySearch%22%20.%0A%20%20%20%20%20%20bd%3AserviceParam%20wikibase%3Aendpoint%20%22www.wikidata.org%22%20.%0A%20%20%20%20%20%20bd%3AserviceParam%20mwapi%3Asearch%20%22einst%22%20.%0A%20%20%20%20%20%20bd%3AserviceParam%20mwapi%3Alanguage%20%22en%22%20.%0A%20%20%20%20%20%20%3Fperson%20wikibase%3AapiOutputItem%20mwapi%3Aitem%20.%0A%20%20%7D%0A%20%20%3Fperson%20wdt%3AP31%20wd%3AQ5.%0A%20%20%0A%20%20%0A%20%20SERVICE%20wikibase%3Alabel%20%7B%20bd%3AserviceParam%20wikibase%3Alanguage%20%22%5BAUTO_LANGUAGE%5D%2Cen%22.%20%7D%0A%20%20%0A%20%20%0A%7D%20ORDER%20BY%20DESC(%3Fperson)%20LIMIT%2020>
that looks for "human (Q5)" whose label contains the string "einst".
Hope this helps,
Ettore Rizza
On Fri, 4 Oct 2019 at 09:58, Thomas Francart <thomas.francart(a)sparna.fr>
wrote:
Hello
I understand the wikidata SPARQL label service only fetches the labels,
but does not allow to search/filter on them; labels are also available in
regulare rdfs:label on which a FILTER can be made.
However I would like to do full-text search over labels, to e.g. feed an
autocomplete search field, actually just like the usual top-right wikidata
search field does. I would also be interested to combine this with a
criteria on "instance of", to search only on instances of a given class.
Can I do that efficiently using the Wikidata SPARQL service ? or is there
a separate API I could use ? (exemple welcome)
Thanks
Thomas
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