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SPARQL is a standardized query language for RDF and part of the Semantic Web.

5 votes
Accepted

Wikidata SPARQL, why an intermediate item is needed in this sample query?

In the original query ?property and ?p are distinct values: ?property is wd:P54 (short for <http://www.wikidata.org/entity/P54>) and ?p is wdt:P54 (short for <http://www.wikidata.org/prop/direct/P54>) …
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2 votes
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Can SPARQL modify data like SQL? Or is it read-only?

There is SPARQL Update. It doesn't seem to be supported by Wikidata Query Service. …
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