Generate 0 to 10 random RDF triples

generate_rdf.rq

PREFIX :    <http://localhost/>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>

CONSTRUCT {
  ?s ?p ?o .
}
WHERE {
  # Generate 0 to 10 triples
  VALUES ?n { 0 1 2 3 4 5 6 7 8 9 10 }

  BIND (if(rand() < 1/3.0, bnode(),
        if(rand() < 1/2.0, uuid(), iri(concat(str(:), struuid())))) AS ?s)
  
  BIND (if(rand() < 1/2.0, uuid(), iri(concat(str(:), struuid()))) AS ?p)

  BIND (if(rand() < 1/3.0, xsd:decimal,
        if(rand() < 1/2.0, xsd:float, xsd:double)) AS ?datatype)
  BIND (if(rand() < 1/7.0, struuid(),
        if(rand() < 1/6.0, sha512(str(now())),
        if(rand() < 1/5.0, strdt(rand() * 100, ?datatype),
        if(rand() < 1/4.0, strlang(struuid(), "zxx"),
        if(rand() < 1/3.0, xsd:date(now()),
        if(rand() < 1/2.0, now(), xsd:boolean(rand() > 0.5))))))) AS ?literal)

  BIND (if(rand() < 1/4.0, ?literal,
        if(rand() < 1/3.0, bnode(),
        if(rand() < 1/2.0, uuid(), iri(concat(str(:), struuid()))))) AS ?o)
 
  FILTER (floor(rand() * 11) < ?n)
}