Sparql

[show] This page is a knowledge crystal of subtype method. The page identifier is Op_en7501
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Question

How to use SPARQL language to operate with triple (RDF) databases?

Rationale

Examples

Find all knowledge crystals from Wikidata.

SELECT ?item ?itemLabel
WHERE
{
	?item wdt:P31 wd:Q23700891 . 
	SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
}