query-636813ccc33b3fd2401a88ec9f48289f

rq turtle/ttl

Doctoral theses without an author

Use at

PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX bd: <http://www.bigdata.com/rdf#>
SELECT ?thesis ?thesisDescription ?languageLabel WHERE {
?thesis wdt:P31 wd:Q187685
MINUS { [] wdt:P1026 ?thesis }
MINUS { ?thesis wdt:P50 [] }
OPTIONAL { ?thesis wdt:P364 ?language }
SERVICE wikibase:label {
     bd:serviceParam wikibase:language "[AUTO_LANGUAGE],mul,en"
   }
}

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v2("?language") v1("?thesis"):::projected a1((" ")) a2((" ")) c2(["wd:Q187685"]):::iri c7(["bd:serviceParam"]):::iri c9(["#91;AUTO_LANGUAGE#93;,mul,en"]):::literal v1 --"wdt:P31"--> c2 subgraph minus0["MINUS"] style minus0 stroke-width:6px,fill:pink,stroke:red; a1 --"wdt:P1026"--> v1 end subgraph minus1["MINUS"] style minus1 stroke-width:6px,fill:pink,stroke:red; v1 --"wdt:P50"--> a2 end subgraph optional0["(optional)"] style optional0 fill:#bbf,stroke-dasharray: 5 5; v1 -."wdt:P364".-> v2 end subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c7 --"wikibase:language"--> c9 end