query-5150b4b3f78352698015dca4d1ce2b67

rq turtle/ttl

Getting URL's out of "Wikidata property to identify artworks (Q44847669)"I'm trying to extract metadata and images of artworks for specific collections. Here is an example of a query that I use:

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 ?work ?inventory_number ?image ?inception ?instance_of ?instance_ofLabel ?collection ?collectionLabel ?creator ?creatorLabel ?Groeningemuseum_work_PID WHERE {
  ?work wdt:P195 wd:Q1948674.
  SERVICE wikibase:label { bd:serviceParam wikibase:language "nl". }
  OPTIONAL { ?work wdt:P217 ?inventory_number. }
  OPTIONAL { ?work wdt:P18 ?image. }
  OPTIONAL { ?work wdt:P571 ?inception. }
  OPTIONAL { ?work wdt:P31 ?instance_of. }
  OPTIONAL { ?work wdt:P195 ?collection. }
  OPTIONAL { ?work wdt:P170 ?creator. }
  OPTIONAL { ?work wdt:P2282 ?Groeningemuseum_work_PID. }
}

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v8("?Groeningemuseum_work_PID"):::projected v6("?collection"):::projected v7("?creator"):::projected v3("?image"):::projected v4("?inception"):::projected v5("?instance_of"):::projected v2("?inventory_number"):::projected v1("?work"):::projected c4(["bd:serviceParam"]):::iri c2(["wd:Q1948674"]):::iri c6(["nl"]):::literal v1 --"wdt:P195"--> c2 subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c4 --"wikibase:language"--> c6 end subgraph optional0["(optional)"] style optional0 fill:#bbf,stroke-dasharray: 5 5; v1 -."wdt:P217".-> v2 end subgraph optional1["(optional)"] style optional1 fill:#bbf,stroke-dasharray: 5 5; v1 -."wdt:P18".-> v3 end subgraph optional2["(optional)"] style optional2 fill:#bbf,stroke-dasharray: 5 5; v1 -."wdt:P571".-> v4 end subgraph optional3["(optional)"] style optional3 fill:#bbf,stroke-dasharray: 5 5; v1 -."wdt:P31".-> v5 end subgraph optional4["(optional)"] style optional4 fill:#bbf,stroke-dasharray: 5 5; v1 -."wdt:P195".-> v6 end subgraph optional5["(optional)"] style optional5 fill:#bbf,stroke-dasharray: 5 5; v1 -."wdt:P170".-> v7 end subgraph optional6["(optional)"] style optional6 fill:#bbf,stroke-dasharray: 5 5; v1 -."wdt:P2282".-> v8 end