@prefix ical: <http://www.w3.org/2002/12/cal/ical#>.
@prefix q: <http://www.w3.org/2004/ql#>.
@prefix e: <http://eulersharp.sourceforge.net/2003/03swap/log-rules#>.
@prefix xsd: <http://www.w3.org/2001/XMLSchema#>.
@prefix : <http://example.org/#>.
@prefix log: <http://www.w3.org/2000/10/swap/log#>.
@prefix op: <http://www.w3.org/2004/07/xpath-functions#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>.


