Event in Temporal Databases
Event relation; Instant relation
An event is an instantaneous fact, i.e., something occurring at an instant of time.
Some temporal data models support valid-time relations where tuples represent events and where the tuples are thus timestamped with time values that represent time instants. When granules are used as timestamps, an event timestamped with granule t occurs, or is valid, at some instant during t.
It may be observed that more general kinds of events have also been considered in the literature, including events with duration and complex and composite events.
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