query-02e41eff3cf09f7dde0a5252d5dd9bce
ConstraintsI set up the constraints. Completely focused on artworks now, but that can always be changed. : Interesting query for the copyright edge cases: Hannolans@
Use at
- https://query.wikidata.org/sparql
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
SELECT ?item ?inception ?dod ?country WHERE {
?item wdt:P4765 ?url .
{ ?item wdt:P571 ?inception . FILTER(YEAR(?inception) > 1923) . OPTIONAL { ?item wdt:P170 ?creator . ?creator wdt:P570 ?dod } } UNION {
?item wdt:P170 ?creator . ?creator wdt:P570 ?dod . FILTER(YEAR(?dod) > 1923) . OPTIONAL { ?item wdt:P571 ?inception } }
OPTIONAL { ?item wdt:P170 ?creator . ?creator wdt:P27 ?country }
}
Query found at
graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
v6("?country"):::projected
v4("?creator")
v5("?dod"):::projected
v3("?inception"):::projected
v1("?item"):::projected
v2("?url")
v1 --"wdt:P4765"--> v2
subgraph union0[" Union "]
subgraph union0l[" "]
style union0l fill:#abf,stroke-dasharray: 3 3;
f0[["year-from-dateTime(?dod) > '1923^^xsd:integer'"]]
f0 --> v5
v1 --"wdt:P170"--> v4
v4 --"wdt:P570"--> v5
subgraph optional0["(optional)"]
style optional0 fill:#bbf,stroke-dasharray: 5 5;
v1 -."wdt:P571".-> v3
end
end
subgraph union0r[" "]
style union0r fill:#abf,stroke-dasharray: 3 3;
f1[["year-from-dateTime(?inception) > '1923^^xsd:integer'"]]
f1 --> v3
v1 --"wdt:P571"--> v3
subgraph optional1["(optional)"]
style optional1 fill:#bbf,stroke-dasharray: 5 5;
v1 -."wdt:P170".-> v4
v4 --"wdt:P570"--> v5
end
end
union0r <== or ==> union0l
end
subgraph optional2["(optional)"]
style optional2 fill:#bbf,stroke-dasharray: 5 5;
v1 -."wdt:P170".-> v4
v4 --"wdt:P27"--> v6
end