query-7cce0de93ef709190063f3bdb15c8190

PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX schema: <http://schema.org/>
SELECT DISTINCT ?species {
    ?species wdt:P171+ wd:Q7377. 
    ?species wdt:P105 wd:Q7432
    FILTER NOT EXISTS {
        ?species schema:description ?itemdesc
        FILTER(LANG(?itemdesc) = 'en')
    }
}

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v1("?itemdesc") v2("?species"):::projected c4(["wd:Q7377"]):::iri c6(["wd:Q7432"]):::iri f0[["not "]] subgraph f0e0["Exists Clause"] e0f0[["?itemdesc = 'en'"]] e0f0 --> e0v1 e0v2 --"schema:description"--> e0v1 e0v1("?itemdesc"):::projected e0v2("?species"):::projected end f0--EXISTS--> f0e0 f0 --> v1 f0 --> v2 f0 --> c2 f1[["?itemdesc = 'en'"]] f1 --> v1 v2 --"schema:description"--> v1 v2 --"wdt:P171"--> c4 v2 --"wdt:P105"--> c6