# Which events does Robert attend?

PREFIX  dc:   <http://purl.org/dc/elements/1.1/>
PREFIX  cal:  <http://www.example.org/Calendar#>
PREFIX  rdf:  <http://www.w3.org/1999/02/22-rdf-syntax-ns#>

SELECT ?title ?start ?end ?sTime ?eTime # ?contact 
WHERE {

        ?x dc:title ?title.
 
        ?x cal:date ?date.
	?y cal:startDay ?start.
	?y cal:startTime ?sTime.
	?y cal:endTime ?eTime.
	?y cal:endDay ?end
	
	FILTER (?date =?y).
	#OPTIONAL {
	#  ?x cal:contact ?contact
	#}
      }