boolean-ebv-canonical.rq

来自「jena2.5.4推理机系统的一种最基本实现 HP实验室出品」· RQ 代码 · 共 9 行

# Lexical form of EBV
# $Id: boolean-EBV-canonical.rq,v 1.9 2007/09/17 17:40:51 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 ?o
         FILTER ( str(TRUE || FALSE) = str(?o) ) }