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Querying: Difference between revisions
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→Sample queries
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group by ?number | group by ?number | ||
order by ?number | order by ?number | ||
===Sancak status ending between 1830 and 1840=== | |||
This query will return a region more than once, if it undergoes status change more than once during this time period.[https://tinyurl.com/2ew6y2vw run] | |||
SELECT ?sancak ?sancakLabel (YEAR(?starttime) as ?start) (YEAR(?endtime) as ?end) | |||
WHERE | |||
{ | |||
?sancak ogt:P6 og:Q1. | |||
?sancak ogp:P15 ?statement. | |||
?statement ogps:P15 og:Q4. | |||
?statement ogpq:P7 ?starttime. | |||
OPTIONAL{?statement ogpq:P8 ?endtime.} | |||
OPTIONAL{?statement ogpq:P22 ?endtime.} | |||
FILTER(YEAR(?endtime) >= 1830 && YEAR(?endtime) <= 1840) | |||
SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en" } | |||
} | |||
ORDER BY (?endtime) | |||
== Federated query with Wikidata == | == Federated query with Wikidata == | ||