An arbitrary classification ...... d a location in space/time.
Everything used as a factor in an event
Everything produced by an event
Relates an event to an active agent (a person, a computer, ... :-) )
Relates an event to a passive factor (a tool, an instrument, an abstract cause...)
Relates an event to a facto ...... an event to a temperature).
Relates an event to a spatial object.
Relates an event to somethi ...... a sound, a pie, whatever...
This property provides a wa ...... s (one event per musician).
Relates an event to a time ...... dia with a temporal extent.