query-61bd51afd742ac58a72900cd83caa464

rq turtle/ttl

Propertiesinstance of (P31)PM20 subject code (P8484)series ordinal (P1545)

Use at

PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX ps: <http://www.wikidata.org/prop/statement/>
PREFIX pq: <http://www.wikidata.org/prop/qualifier/>
PREFIX p: <http://www.wikidata.org/prop/>
PREFIX bd: <http://www.bigdata.com/rdf#>
select distinct ?item ?subjectCode ?itemLabel ?pm20Category
where {
  ?item wdt:P31 wd:Q92707903 ;
        wdt:P8484 ?subjectCode .

  # extend for sorting
  ?item p:P8484 ?statement .
  ?statement ps:P8484 ?subjectCode ;
             pq:P1545 ?sortCode .

  # construct URI for category page access
  bind(uri(concat('https://pm20.zbw.eu/category/subject/s/', ?subjectCode)) as ?pm20Category)

  SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
}
order by  ?sortCode

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v2("?item"):::projected v5("?pm20Category"):::projected v1("?sortCode") v4("?statement") v3("?subjectCode"):::projected c2(["wd:Q92707903"]):::iri c8(["bd:serviceParam"]):::iri c10(["en"]):::literal v2 --"p:direct/P31"--> c2 v2 --"p:direct/P8484"--> v3 v2 --"p:P8484"--> v4 v4 --"p:statement/P8484"--> v3 v4 --"p:qualifier/P1545"--> v1 bind0[/"concat('https://pm20.zbw.eu/category/subject/s/',?subjectCode)"/] v3 --o bind0 bind0 --as--o v5 subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c8 --"wikibase:language"--> c10 end