query-10d724e37fdb31713d64078cec62f109
Botanists with no surname defined
Use at
- https://query.wikidata.org/sparql
PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX bd: <http://www.bigdata.com/rdf#>
SELECT ?item ?itemLabel
WHERE {
?item wdt:P428 ?a . # botanist author abbreviation (P428)
MINUS { ?item wdt:P734 ?n } # family name (P734)
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;
v2("?a")
v1("?item"):::projected
v3("?n")
c4(["bd:serviceParam"]):::iri
c6(["en"]):::literal
v1 --"wdt:P428"--> v2
subgraph minus0["MINUS"]
style minus0 stroke-width:6px,fill:pink,stroke:red;
v1 --"wdt:P734"--> v3
end
subgraph s1["http://wikiba.se/ontology#label"]
style s1 stroke-width:4px;
c4 --"wikibase:language"--> c6
end