sparql-examples

A set of SPARQL examples that are used in different TGX resources

View the Project on GitHub BiGCAT-UM/sparql-examples

208

rq turtle/ttl

Venue aspect: Prolific authors for a specific journal

Use at

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#>
# title: Prolific authors for a specific journal

PREFIX target: <http://www.wikidata.org/entity/Q6294930>

SELECT ?count ?author ?authorLabel ?orcid ?example_work ?example_workLabel
WITH {
  # Count the number of works author by the author publishing in the journal
  SELECT
    ?author
    (COUNT(?work) AS ?count)
    (SAMPLE(?work) AS ?example_work)
  WHERE {
    ?work wdt:P50 ?author ;
          wdt:P1433 target: .
  }
  GROUP BY ?author
} AS %result
WHERE {
  INCLUDE %result 
          
  # Include optional ORCID iD
  OPTIONAL { ?author wdt:P496 ?orcid . }
  
  # Label the results
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],mul,en" . } 
}
ORDER BY DESC(?count)
LIMIT 50

graph TD