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/venue_citation-distribution.sparql
Venue aspect: Citation distribution for a venue
PREFIX p: <http://www.wikidata.org/prop/>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
# title: Citation distribution for a venue
PREFIX target: <http://www.wikidata.org/entity/Q6294930>
#defaultView:LineChart
SELECT
?number_of_citations (COUNT(?work) AS ?count)
WHERE {
{
SELECT ?work (COUNT(?citing_work) AS ?number_of_citations)
WHERE {
?work wdt:P1433 target: .
OPTIONAL { ?citing_work wdt:P2860 ?work . }
}
GROUP BY ?work
}
}
GROUP BY ?number_of_citations
ORDER BY DESC(?number_of_citations)
graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
v3("?citing_work")
v4("?count")
v4("?number_of_citations"):::projected
v2("?work"):::projected
c2([http://www.wikidata.org/entity/Q6294930]):::iri
v2 --"p:direct/P1433"--> c2
subgraph optional0["(optional)"]
style optional0 fill:#bbf,stroke-dasharray: 5 5;
v3 -."p:direct/P2860".-> v2
end
bind1[/"count(?citing_work)"/]
v3 --o bind1
bind1 --as--o v4
bind3[/"count(?work)"/]
v2 --o bind3
bind3 --as--o v4