|  |  |  |  | 
| scal:CalendarAlarmscal:CalendarAlarm | 
    http://www.w3.org/2000/01/rdf-schema#Resource 
        nie:InformationElement 
        ╰── scal:CalendarAlarm 
“scal:alarmAttendee” property“scal:alarmAttendee” scal:Attendee
Alarms can have attendees. RFC has told
Number of possible elements per resource (Cardinality): Unlimited