Project:Example Queries: Difference between revisions

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   ?item wdt:P141|wdt:P142 [] .
   ?item wdt:P141|wdt:P142 [] .
   OPTIONAL { ?item wdt:P141 ?bdate . }
   OPTIONAL { ?item wdt:P141 ?bdate . }
   OPTIONAL {?item wdt:P142 ?ddate . }
   OPTIONAL { ?item wdt:P142 ?ddate . }
   SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
   SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
}</syntaxhighlight>
}</syntaxhighlight>