vc-q3

jena2.5.4推理机系统的一种最基本实现 HP实验室出品

SELECT ?givenName
WHERE (?y, <http://www.w3.org/2001/vcard-rdf/3.0#Family>, "Smith") ,
      (?y, <http://www.w3.org/2001/vcard-rdf/3.0#Given>, ?givenName)