@prefix q: <http://www.w3.org/2004/ql#>.
@prefix e: <http://eulersharp.sourceforge.net/2003/03swap/log-rules#>.
@prefix ns: <http://example.org/ns#>.
@prefix : <http://example.org/book/>.
@prefix log: <http://www.w3.org/2000/10/swap/log#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
@prefix math: <http://www.w3.org/2000/10/swap/math#>.
@prefix dc: <http://purl.org/dc/elements/1.1/>.
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>.

<http://eulersharp.sourceforge.net/2004/04test/ex3Q.n3> q:answer ("The Semantic Web" 23). 

