query-0c7f4feada7ab0321d643623d3d44649

rq turtle/ttl

nioshtic-with-patent-numberdata refresh rate: 3600 preferred output format: Table query title: Identifier map: Patent number with or without NIOSHTIC2-ID

Use at

PREFIX wdt: <http://www.wikidata.org/prop/direct/>
SELECT ?item ?Patent_number ?NIOSHTIC2_ID WHERE {
  ?item wdt:P1246 ?Patent_number.
  OPTIONAL { ?item wdt:P2880 ?NIOSHTIC2_ID. }
}

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v3("?NIOSHTIC2_ID"):::projected v2("?Patent_number"):::projected v1("?item"):::projected v1 --"wdt:P1246"--> v2 subgraph optional0["(optional)"] style optional0 fill:#bbf,stroke-dasharray: 5 5; v1 -."wdt:P2880".-> v3 end