SELECT ?desc, ?hourstart, ?minstart, ?dend, ?hourend, ?minend FROM 
file:rdf/cal2.rdf  
WHERE 
(foaf:mbox ?person mailto:libby@example.com)  
(ical:attendee ?event ?person) 
(ical:description ?event ?desc) 
(ical:dstart ?event ?date) 
(rdfs:label ?date ?q) 
(ical:hour ?date ?hourstart) 
(ical:minute ?date ?minstart) 
(ical:dtend ?event ?bla) 
(rdfs:label ?bla ?dend) 
(ical:hour ?bla ?hourend) 
(ical:minute ?bla ?minend)  
AND ?q ~ '2001-01-11'  
USING ical FOR http://www.ietf.org/rfc/rfc2445.txt# 
foaf FOR http://xmlns.com/foaf/0.1/ 
rdfs FOR http://www.w3.org/2000/01/rdf-schema#