query-c5b26449d81730e77e987aff4678ccab

rq turtle/ttl

title: Kommunikationsprotokolle SELECT ?page_title ?article ?item WHERE { ?item wdt:P31 wd:Q132364. ?enwiki schema:about ?item; schema:isPartOf https://en.wikipedia.org/; schema:name ?en_title. OPTIONAL { ?dewiki schema:about ?item; schema:isPartOf https://de.wikipedia.org/; schema:name ?de_title. } BIND(IF(BOUND(?dewiki), ?dewiki, ?enwiki) AS ?article) BIND(IF(BOUND(?de_title), ?de_title, ?en_title) AS ?page_title) SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". } }

Use at

PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX schema: <http://schema.org/>
PREFIX bd: <http://www.bigdata.com/rdf#>
#title: Kommunikationsprotokolle
SELECT ?page_title ?article ?item WHERE {
  ?item wdt:P31 wd:Q132364.
  ?enwiki schema:about ?item;
    schema:isPartOf <https://en.wikipedia.org/>;
    schema:name ?en_title.
  OPTIONAL {
    ?dewiki schema:about ?item;
      schema:isPartOf <https://de.wikipedia.org/>;
      schema:name ?de_title.
  }
  BIND(IF(BOUND(?dewiki), ?dewiki, ?enwiki) AS ?article)
  BIND(IF(BOUND(?de_title), ?de_title, ?en_title) AS ?page_title)
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
}

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v6("?article"):::projected v5("?de_title") v4("?dewiki") v3("?en_title") v2("?enwiki") v1("?item"):::projected v7("?page_title"):::projected c7([https://de.wikipedia.org/]):::iri c5([https://en.wikipedia.org/]):::iri c9(["bd:serviceParam"]):::iri c2(["wd:Q132364"]):::iri c11(["#91;AUTO_LANGUAGE#93;,en"]):::literal v1 --"wdt:P31"--> c2 v2 --"schema:about"--> v1 v2 --"schema:isPartOf"--> c5 v2 --"schema:name"--> v3 subgraph optional0["(optional)"] style optional0 fill:#bbf,stroke-dasharray: 5 5; v4 -."schema:about".-> v1 v4 --"schema:isPartOf"--> c7 v4 --"schema:name"--> v5 end bind0[/"if(bound(?dewiki),?dewiki,?enwiki)"/] v4 --o bind0 v2 --o bind0 bind0 --as--o v6 bind1[/"if(bound(?de_title),?de_title,?en_title)"/] v5 --o bind1 v3 --o bind1 bind1 --as--o v7 subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c9 --"wikibase:language"--> c11 end