query-cf8f4650601ba171a75ee1a7ae978cef

rq turtle/ttl

Podstawy SPARQL A simple SPARQL query looks like this: } .?c f ?b .?b n m .?a y x { WHERE ?c ?b ?a SELECT clause contains restrictions on them, mostly in the form of triples. All information in Wikidata (and similar knowledge databases) is stored in the form of triples; when you run the query, the query service tries to fill in the variables with actual values so that the resulting triples appear in the knowledge database, and returns one result for each combination of variables it finds. WHERE clause lists variables that you want returned (variables start with a question mark), and the SELECTThe : object, and an predicate, a subjectA triple can be viewed as two vertices (alias 2 nodes, 2 resources) connected by an edge (an arc, a property) inside the vast directed (oriented) property multigraph which forms Wikidata. It can be read like a sentence (which is why it ends with a period), with a

Use at

SELECT ?owoc
WHERE
{
  ?fruit hasColor yellow.
  ?fruit tastes sour.
}

Query found at