Querying

Run SPARQL queries via the Ottgaz Query Service.

Remember: SPARQL is currently case sensitive, as elastic search is disabled in wikibase.cloud.

Namespace

Declare these namespaces at the start of every query:

PREFIX wd: <https://ottgaz.org/entity/>
PREFIX wdt: <https://ottgaz.org/prop/direct/>

Sample queries

Label

All items that are vilayets, as well as their English language label. run

SELECT ?vilayet ?vilayetLabel
WHERE 
{
  ?vilayet wdt:P6 wd:Q5 . 
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en" }
}

Federated query with Wikidata

This is not working. run

PREFIX wd: <https://ottgaz.org/entity/>
PREFIX wdt: <https://ottgaz.org/prop/direct/>
PREFIX wd-wd: <http://www.wikidata.org/entity/>
PREFIX wd-wdt: <http://www.wikidata.org/prop/direct/>

SELECT ?sancak ?vilayet
WHERE 
{
  ?sancak wdt:P4 ?link . 
   SERVICE <https://query.wikidata.org/sparql> {
      ?link wd-wdt:P131 ?vilayet .
    }
}