Project:SPARQL/examples

Overview queries

All index terms and their Wikidata equivalents

PREFIX wb: <https://metabase.wikibase.cloud/entity/>
PREFIX wbt: <https://metabase.wikibase.cloud/prop/direct/>

SELECT ?item ?itemLabelEN ?itemLabelSV ?wikidata_iri
WHERE
{
?item wbt:P5 wb:Q12 .
OPTIONAL {?item wbt:P1 ?wikidataQ}
OPTIONAL {?item rdfs:label ?itemLabelEN filter (lang(?itemLabelEN) = "en")}.
OPTIONAL {?item rdfs:label ?itemLabelSV filter (lang(?itemLabelSV) = "sv")}.
BIND(URI(concat("http://www.wikidata.org/entity/", ?wikidataQ)) AS ?wikidata_iri)
}

Try it!

Projects

Timeline of all projects

PREFIX wb: <https://metabase.wikibase.cloud/entity/>
PREFIX wbt: <https://metabase.wikibase.cloud/prop/direct/>
#defaultView:Timeline
SELECT ?item ?itemLabel ?start ?end
WHERE
{
?item wbt:P5 wb:Q2 .
?item wbt:P6 ?start.
?item wbt:P7 ?end.
SERVICE wikibase:label { bd:serviceParam wikibase:language "sv,en". }
}

Try it!

Federated queries

Organizations and their social media and official website (from Wikidata)

PREFIX wb: <https://metabase.wikibase.cloud/entity/>
PREFIX wbt: <https://metabase.wikibase.cloud/prop/direct/>

SELECT ?item ?itemLabel ?wikidata_iri ?url ?twitter ?instagram
WHERE
{
?item wbt:P5 wb:Q13 .
?item wbt:P1 ?wikidataQ.

BIND(URI(concat("http://www.wikidata.org/entity/", ?wikidataQ)) AS ?wikidata_iri)

SERVICE <https://query.wikidata.org/sparql> {
 OPTIONAL {?wikidata_iri wdt:P856 ?url.}
 OPTIONAL {?wikidata_iri wdt:P2002 ?twitter.}
 OPTIONAL {?wikidata_iri wdt:P2003 ?instagram.}
}

SERVICE wikibase:label { bd:serviceParam wikibase:language "sv,en". }
}

Try it!