A set of SPARQL examples that are used in different TGX resources
License: https://www.gnu.org/licenses/gpl-3.0
Uses method in: https://github.com/WDscholia/scholia/tree/master/scholia/app/templates/project_recent-articles.sparql
Project aspect: recent articles
PREFIX bd: <http://www.bigdata.com/rdf#>
PREFIX p: <http://www.wikidata.org/prop/>
PREFIX prov: <http://www.w3.org/ns/prov#>
PREFIX pr: <http://www.wikidata.org/prop/reference/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
PREFIX target: <http://www.wikidata.org/entity/Q27990087>
SELECT ?date ?work ?workLabel ?type ?topics
WITH {
SELECT DISTINCT ?work WHERE {
{
?work wdt:P921 / (wdt:P527+ | wdt:P1269+ | (wdt:P31* / wdt:P279*) ) target: .
}
UNION
{
# Works funded by the project, - recursively
?work wdt:P859+ target: .
}
UNION
{
# Works funded by the project, - recursively
?work wdt:P859/(wdt:P1344|^wdt:P710)* target: .
}
UNION {
target: ?propp ?statement .
?statement a wikibase:BestRank ;
prov:wasDerivedFrom/pr:P248 ?work .
}
}
} AS %works
WITH {
SELECT
(MAX(?dates) as ?datetime)
?work
(GROUP_CONCAT(DISTINCT ?type_label; separator=", ") AS ?type)
(GROUP_CONCAT(?topic_label; separator=" // ") AS ?topics)
WHERE {
INCLUDE %works
OPTIONAL {
?work wdt:P31 ?type_ .
?type_ rdfs:label ?type_label . FILTER (LANG(?type_label) = 'en')
}
OPTIONAL { ?work wdt:P577 ?dates . }
OPTIONAL {
?work wdt:P921 ?topic .
?topic rdfs:label ?topic_label . FILTER (lang(?topic_label) = 'en')
}
}
GROUP BY ?work
} AS %result
WHERE {
INCLUDE %result
BIND(xsd:date(?datetime) AS ?date)
SERVICE wikibase:label {
bd:serviceParam wikibase:language "[AUTO_LANGUAGE],mul,en" .
}
}
ORDER BY DESC(?date)
LIMIT 500
graph TD