test-3-04.rq

来自「Jena推理机」· RQ 代码 · 共 7 行

SELECT  *
WHERE
    { ?x ?y ?z . 
      FILTER ( str(?x) = str(<http://rdf.hp.com/r-1>) ) . 
      FILTER ( str(?y) = str(<http://rdf.hp.com/p-1>) ) .
    }