A set of SPARQL examples that are used in different TGX resources
Lists universities with a Mastodon account.
PREFIX wd: <http://wikidata.org/entity/>
PREFIX wdt: <http://wikidata.org/prop/direct/>
PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX bd: <http://www.bigdata.com/rdf#>
SELECT DISTINCT ?journal ?journalLabel ?mastodon WHERE {
?journal wdt:P31/wdt:P279* wd:Q3918 ;
wdt:P4033 ?mastodon .
SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
}
graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
v1("?journal"):::projected
v2("?mastodon"):::projected
a1((" "))
c6(["bd:serviceParam"]):::iri
c3(["wd:Q3918"]):::iri
c8(["#91;AUTO_LANGUAGE#93;,en"]):::literal
v1 --"wdt:P31"--> a1
a1 --"wdt:P279"--> c3
v1 --"wdt:P4033"--> v2
subgraph s1["http://wikiba.se/ontology#label"]
style s1 stroke-width:4px;
c6 --"wikibase:language"--> c8
end