query-8a74ee119e6396f1d3d7a607b85de12e

rq turtle/ttl

Items that should have VD 18 identifiersFiltering all publications results in a timeout but selected publication types from the 18th century can be queried like this:

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 ?p ?pLabel ?pDescription ?year ?vd18 WHERE {
  # books and periodicals (all publications would lead to timeout)
  { { ?p wdt:P31/wdt:P279* wd:Q571 } UNION
    { ?p wdt:P31/wdt:P279* wd:Q1002697 } }

  # filter by date
  ?p wdt:P577 ?date .  
  FILTER (year(?date) >= 1701) .
  FILTER (year(?date) <= 1800) .

  # Publications with German or unknown language
  OPTIONAL { 
    ?p wdt:P407 ?lang 
    FILTER NOT EXISTS { ?p wdt:P407 wd:Q188 }
  } 
  FILTER (!BOUND(?lang)) .

  # get VD 18 ID, year, and labels
  OPTIONAL { ?p wdt:P6135 ?vd18 }
  BIND (year(?date) AS ?year) .
  SERVICE wikibase:label { bd:serviceParam wikibase:language "de". }
} ORDER BY DESC(?vd18)

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v3("?date") v2("?lang") v4("?p"):::projected v1("?vd18"):::projected v5("?year"):::projected a1((" ")) a2((" ")) c14(["de"]):::literal c8(["wd:Q1002697"]):::iri c12(["bd:serviceParam"]):::iri c4(["wd:Q188"]):::iri c7(["wd:Q571"]):::iri f0[["not bound(?lang)"]] f0 --> v2 f1[["year-from-dateTime(?date) <= '1800^^xsd:integer'"]] f1 --> v3 f2[["year-from-dateTime(?date) >= '1701^^xsd:integer'"]] f2 --> v3 subgraph union0[" Union "] subgraph union0l[" "] style union0l fill:#abf,stroke-dasharray: 3 3; v4 --"wdt:P31"--> a2 a2 --"wdt:P279"--> c8 end subgraph union0r[" "] style union0r fill:#abf,stroke-dasharray: 3 3; v4 --"wdt:P31"--> a1 a1 --"wdt:P279"--> c7 end union0r <== or ==> union0l end v4 --"wdt:P577"--> v3 subgraph optional0["(optional)"] style optional0 fill:#bbf,stroke-dasharray: 5 5; v4 -."wdt:P407".-> v2 end subgraph optional1["(optional)"] style optional1 fill:#bbf,stroke-dasharray: 5 5; v4 -."wdt:P6135".-> v1 end bind3[/"year-from-dateTime(?date)"/] v3 --o bind3 bind3 --as--o v5 subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c12 --"wikibase:language"--> c14 end