query-cbabcc020e8a549036405ade11b4595c

rq turtle/ttl

works SELECT ?item WHERE { ?item wdt:P31 wd:Q5 OPTIONAL { ?item schema:description ?descnl FILTER(LANG(?descnl) = "nl") } FILTER ( !BOUND(?descnl) ) } LIMIT 5000

Use at

PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX schema: <http://schema.org/>
#works
SELECT ?item
WHERE
{ 
        ?item wdt:P31 wd:Q5
        OPTIONAL { ?item schema:description ?descnl FILTER(LANG(?descnl) = "nl")   }
        FILTER ( !BOUND(?descnl) )
}
LIMIT 5000

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v1("?descnl") v2("?item"):::projected c3(["wd:Q5"]):::iri f0[["not bound(?descnl)"]] f0 --> v1 v2 --"wdt:P31"--> c3 subgraph optional0["(optional)"] style optional0 fill:#bbf,stroke-dasharray: 5 5; v2 -."schema:description".-> v1 end