query-6bbaf349dcf031dc2744dd0deb71f5e0

rq turtle/ttl

Release HistoryThere is no convention how to add release dates to a video game. Here, I'm trying to find out what approaches were used and which advantages and disadvantages are related to them. I use one game to illustrate these and add real examples below the table. A) platform (P400) with qualifieradd value add reference 0 references (Q458)European Union (Q30)United States of America (P291)place of publication 1 September 2015 (P577)publication date edit (Q48263)Xbox 360 add reference 0 references PlayStation 4 Limited Pack P??? (Q17)Japan (P291)place of publication 2 September 2015 (P577)publication date edit (Q5014725)PlayStation 4 add reference 0 references (Q458)European Union (Q30)United States of America (P291)place of publication 1 September 2015 (P577)publication date edit (Q5014725)PlayStation 4 (P400)platform etv (platform + publication date) (Q94460)Grand Theft Auto 2 Example:

Use at

• https://query.wikidata.org/sparql

PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX ps: <http://www.wikidata.org/prop/statement/>
PREFIX pq: <http://www.wikidata.org/prop/qualifier/>
PREFIX p: <http://www.wikidata.org/prop/>
PREFIX bd: <http://www.bigdata.com/rdf#>
SELECT ?entity ?entityLabel ?platformItemLabel ?date ?placeLabel
WHERE {
  ?entity wdt:P31 wd:Q7889.
  ?entity p:P400 ?platform.
  ?platform ps:P400 ?platformItem.
  ?platform pq:P577 ?date. 
  OPTIONAL { ?platform pq:P291 ?place. }
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
}

Query found at

• https://www.wikidata.org/wiki/User:Diggr/Data_Models_of_Video_Games