query-281fe71000ee2f462ce7395df6c7dedc

rq turtle/ttl

Iguania species names that have a year of publication but no author

Use at

PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX ps: <http://www.wikidata.org/prop/statement/>
PREFIX pq: <http://www.wikidata.org/prop/qualifier/>
PREFIX p: <http://www.wikidata.org/prop/>
PREFIX bd: <http://www.bigdata.com/rdf#>
SELECT ?taxonitem ?taxonname
WHERE
{
     ?taxonitem wdt:P171+ wd:Q661136.   # Iguania
     ?taxonitem p:P105 ?rank.
     ?rank ps:P105 wd:Q7432.            # species
     ?taxonitem p:P225 ?name.

     ?name  ps:P225 ?taxonname.

     FILTER EXISTS {
        ?name pq:P574 [] .   # Year of taxon publication
     }
     FILTER NOT EXISTS {
        ?name pq:P405 [] .   # taxon author
     }
     SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
}

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v1("?name") v3("?rank") v2("?taxonitem"):::projected v4("?taxonname"):::projected a2((" ")) a1((" ")) c4(["wd:Q661136"]):::iri c13(["en"]):::literal c7(["wd:Q7432"]):::iri c11(["bd:serviceParam"]):::iri f0[["not "]] subgraph f0e0["Exists Clause"] e0v1 --"p:qualifier/P405"--> e0a1 e0v1("?name"):::projected e0a1((" ")):::projected end f0--EXISTS--> f0e0 f0 --> v1 f0 --> c1 f0 --> a1 v1 --"p:qualifier/P405"--> a1 f1[[" "]] subgraph f1e1["Exists Clause"] e1v1 --"p:qualifier/P574"--> e1a1 e1v1("?name"):::projected e1a1((" ")):::projected end f1--EXISTS--> f1e1 f1 --> v1 f1 --> c2 f1 --> a2 v1 --"p:qualifier/P574"--> a2 v2 --"p:direct/P171"--> c4 v2 --"p:P105"--> v3 v3 --"p:statement/P105"--> c7 v2 --"p:P225"--> v1 v1 --"p:statement/P225"--> v4 subgraph s1["http://wikiba.se/ontology#label"] style s1 stroke-width:4px; c11 --"wikibase:language"--> c13 end