query-ae811533bdf25fb62486d4ae6ae5aef0
Adding a qualifier I would like to know how I can add the qualifier archive url to the following query:
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 ?publication_date ?full_work_available_at WHERE {
?item wdt:P31 wd:Q88163834.
?item wdt:P921 wd:Q87821859.
OPTIONAL { ?item wdt:P577 ?publication_date. }
OPTIONAL { ?item wdt:P953 ?full_work_available_at. }
SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
}
ORDER BY DESC (?publication_date)
Query found at
graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
v3("?full_work_available_at"):::projected
v2("?item"):::projected
v1("?publication_date"):::projected
c4(["wd:Q87821859"]):::iri
c8(["bd:serviceParam"]):::iri
c10(["#91;AUTO_LANGUAGE#93;,en"]):::literal
c2(["wd:Q88163834"]):::iri
v2 --"wdt:P31"--> c2
v2 --"wdt:P921"--> c4
subgraph optional0["(optional)"]
style optional0 fill:#bbf,stroke-dasharray: 5 5;
v2 -."wdt:P577".-> v1
end
subgraph optional1["(optional)"]
style optional1 fill:#bbf,stroke-dasharray: 5 5;
v2 -."wdt:P953".-> v3
end
subgraph s1["http://wikiba.se/ontology#label"]
style s1 stroke-width:4px;
c8 --"wikibase:language"--> c10
end