query-343479b9d27097f73978494d1d877c75

, but gets timeout even with LIMIT 100. This:

Use at

https://query.wikidata.org/sparql

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 ?item ?itemLabel { 
  ?item wdt:P31 wd:Q5
  OPTIONAL { ?item wdt:P21 ?dummy } FILTER( !bound(?dummy) ) 
  SERVICE wikibase:label { bd:serviceParam wikibase:language "ru" }
}

Query found at

https://www.wikidata.org/wiki/Wikidata_talk:SPARQL_query_service/queries

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v1("?dummy") v2("?item"):::projected c5(["bd:serviceParam"]):::iri c7(["ru"]):::literal c2(["wd:Q5"]):::iri f0[["not bound(?dummy)"]] f0 --> v1 v2 --"wdt:P31"--> c2 subgraph optional0["(optional)"] style optional0 fill:#bbf,stroke-dasharray: 5 5; v2 -."wdt:P21".-> v1 end subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c5 --"wikibase:language"--> c7 end