query-3075405ebdfc324dfdbc502c94e05236

rq turtle/ttl

TODO

Use at

PREFIX mwapi: <http://wikiba.se/ontology#>
PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX schema: <http://schema.org/>
PREFIX bd: <http://www.bigdata.com/rdf#>
SELECT DISTINCT ?item ?itemLabel ?sitelink ?article
WHERE {

  SERVICE wikibase:mwapi {
    bd:serviceParam wikibase:api "Search";
                    wikibase:endpoint "en.wikipedia.org";
                    mwapi:srsearch "water pollution".
   ?name wikibase:apiOutput mwapi:title.     
  }

  BIND (URI(CONCAT('https://en.wikipedia.org/wiki/', ?name)) AS ?article)

  # have an en wiki article
  ?article schema:about ?item ;
  schema:isPartOf <https://en.wikipedia.org/> ;
  schema:name ?sitelink .         

  #lack a sitelink to somewhere else
  filter not exists {?article2 schema:about ?item ;
                     schema:isPartOf <https://de.wikipedia.org/> .}

  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; v4("?article"):::projected v1("?article2") v2("?item"):::projected v3("?name") v5("?sitelink"):::projected c3([https://de.wikipedia.org/]):::iri c11(["water pollution"]):::literal c9(["en.wikipedia.org"]):::literal c14([https://en.wikipedia.org/]):::iri c5(["bd:serviceParam"]):::iri c7(["Search"]):::literal c18(["#91;AUTO_LANGUAGE#93;,en"]):::literal c13(["mwapi:title"]):::iri f0[["not "]] subgraph f0e0["Exists Clause"] e0v1 --"schema:about"--> e0v2 e0v1 --"schema:isPartOf"--> e0c3 e0v1("?article2"):::projected e0v2("?item"):::projected e0c3([https://de.wikipedia.org/]):::iri end f0--EXISTS--> f0e0 f0 --> v1 f0 --> c1 f0 --> v2 f0 --> c2 f0 --> c3 v1 --"schema:about"--> v2 v1 --"schema:isPartOf"--> c3 subgraph s1["http://wikiba.se/ontology#mwapi"] style s1 stroke-width:4px; c5 --"mwapi:api"--> c7 c5 --"mwapi:endpoint"--> c9 c5 --"mwapi:srsearch"--> c11 v3 --"mwapi:apiOutput"--> c13 end bind1[/"concat('https://en.wikipedia.org/wiki/',?name)"/] v3 --o bind1 bind1 --as--o v4 v4 --"schema:about"--> v2 v4 --"schema:isPartOf"--> c14 v4 --"schema:name"--> v5 subgraph s2["http://wikiba.se/ontology#label"] style s2 stroke-width:4px; c5 --"mwapi:language"--> c18 end