Talk:Q1.3

https://w.wiki/6UT8

PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX p: <http://www.wikidata.org/prop/>
PREFIX pq: <http://www.wikidata.org/prop/qualifier/>
SELECT DISTINCT 
  ?proceedings 
  ?author 
  ?author_name
  ?authorLabel
WHERE{
  #VALUES ?volume_number {
  #  "3262"
  #}
  # proceedings
  ?proceedings wdt:P31 wd:Q1143604;
               # CEUR-WS
               wdt:P179 wd:Q27230297;
               # Volume
               p:P179/pq:P478 ?volume_number.
  # scholarly article
  ?paper wdt:P31 wd:Q13442814.
  # published in
  ?paper wdt:P1433 ?proceedings.
  OPTIONAL {
    # author
    ?paper wdt:P50 ?author.
    ?author rdfs:label ?authorLabel. 
    FILTER(lang(?authorLabel)="en")
  }
  OPTIONAL {
    # author_name
    ?paper wdt:P2093 ?author_name
  }
}