019

• License: https://www.gnu.org/licenses/gpl-3.0

• Uses method in: https://github.com/WDscholia/scholia/tree/master/scholia/app/templates/author_topics.sparql

rq turtle/ttl

Author aspect: topics

Use at

• https://query.wikidata.org/sparql

PREFIX bd: <http://www.bigdata.com/rdf#>
PREFIX p: <http://www.wikidata.org/prop/>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wikibase: <http://wikiba.se/ontology#>
#defaultView:Table
PREFIX target: <http://www.wikidata.org/entity/Q97270>

SELECT ?count ?theme ?themeLabel ?example_work ?example_workLabel
WITH {
  SELECT (COUNT(?work) AS ?count) ?theme (SAMPLE(?work) AS ?example_work)
  WHERE {
    ?work wdt:P50 target: .
    ?work wdt:P921 ?theme .
  }
  GROUP BY ?theme
} AS %result
WHERE {
  INCLUDE %result
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],mul,en" . } 
}
ORDER BY DESC(?count) 

graph TD