ex3.rq

来自「Jena推理机」· RQ 代码 · 共 9 行

PREFIX  dc: <http://purl.org/dc/elements/1.1/>
PREFIX  ns: <http://example.org/ns#>
SELECT  ?title ?price
WHERE
    { ?x ns:price ?price . 
      FILTER ( ?price < 30 ) .
      ?x dc:title ?title .
    }