Period
Activity, Project, and Event are in the domain of hasPeriod; the range is Period.
Period, in turn, is in the domain of the startedAtTime, endedAtTime, and hasDuration functions.
range
Period
Activity, Project, and Event are in the domain of hasPeriod; the range is Period.
Period, in turn, is in the domain of the startedAtTime, endedAtTime, and hasDuration functions.