query-4847509482253629381414557ff36321
Optimizations requested: Listeria list for translating Wikipedia articles. I intend to use such lists in Wikipedia WikiProjects, to make it very easy for both Wikipedia newcomers and seasoned editors to find topics to translate. this Listeria page for what I came up withHi all! I created a handy query to generate translation links from one Wikipedia to another, see The query behind the Listeria list can use some optimizations. I now came as far as this:
Use at
- https://query.wikidata.org/sparql
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX schema: <http://schema.org/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
SELECT ?item ?itemLabel_nl ?vertaallink WHERE {
?item wdt:P5008 wd:Q85931561.
?article_nl schema:about ?item .
?article_nl schema:isPartOf <https://nl.wikipedia.org/>.
FILTER NOT EXISTS { ?article_pap schema:about ?item .
?article_pap schema:isPartOf <https://pap.wikipedia.org/>. }
OPTIONAL { ?item rdfs:label ?itemLabel_nl . FILTER(lang(?itemLabel_nl)='nl') }
OPTIONAL { ?item rdfs:label ?itemLabel_pap . FILTER(lang(?itemLabel_pap)='pap') }
BIND(CONCAT("[https://pap.wikipedia.org/wiki/Special:ContentTranslation?title=Special:ContentTranslation&page=", ?itemLabel_nl, "&from=nl&to=pap&targettitle=", ?itemLabel_pap, " Vertaal dit artikel van het Nederlands naar het Papiaments]") AS ?vertaallink)
}
Query found at
graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
v5("?article_nl")
v2("?article_pap")
v3("?item"):::projected
v4("?itemLabel_nl"):::projected
v1("?itemLabel_pap")
v6("?vertaallink"):::projected
c7(["wd:Q85931561"]):::iri
c4([https://pap.wikipedia.org/]):::iri
c8([https://nl.wikipedia.org/]):::iri
f0[["not "]]
subgraph f0e0["Exists Clause"]
e0v1 --"schema:about"--> e0v2
e0v1 --"schema:isPartOf"--> e0c3
e0v1("?article_pap"):::projected
e0v2("?item"):::projected
e0c3([https://pap.wikipedia.org/]):::iri
end
f0--EXISTS--> f0e0
f0 --> v2
f0 --> c2
f0 --> v3
f0 --> c3
f0 --> c4
v2 --"schema:about"--> v3
v2 --"schema:isPartOf"--> c4
v3 --"wdt:P5008"--> c7
v5 --"schema:about"--> v3
v5 --"schema:isPartOf"--> c8
subgraph optional0["(optional)"]
style optional0 fill:#bbf,stroke-dasharray: 5 5;
v3 -."rdfs:label".-> v4
end
subgraph optional1["(optional)"]
style optional1 fill:#bbf,stroke-dasharray: 5 5;
v3 -."rdfs:label".-> v1
end
bind1[/"concat('#91;https://pap.wikipedia.org/wiki/Special:ContentTranslation?title=Special:ContentTranslation&page=',?itemLabel_nl,'&from=nl&to=pap&targettitle=',?itemLabel_pap,' Vertaal dit artikel van het Nederlands naar het Papiaments#93;')"/]
v4 --o bind1
v1 --o bind1
bind1 --as--o v6