boolean-true-canonical.rq

jena2.5.4推理机系统的一种最基本实现 HP实验室出品

# Canonical format of TRUE
# $Id: boolean-true-canonical.rq,v 1.9 2007/09/17 17:40:52 andy_seaborne Exp $

PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
SELECT ?s
 WHERE { ?s ?p TRUE }