date-4.rq

来自「Jena推理机」· RQ 代码 · 共 10 行

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

SELECT ?x ?date
{
    ?x :s ?date .
    FILTER ( datatype(?date) = xsd:date )
}
ORDER BY ?date