P1 is identified by
P4 has time-span
P7 took place at
P83 had at least duration
P84 had at most duration
P89 falls within
P114 is equal in time to
P115 finishes
P116 starts
P117 occurs during
P118 overlaps in time with
P119 meets in time with
P120 occurs before
P121 overlaps with
P122 borders with
P132 overlaps with
P133 is separated from
Motivation for this unit has been expert knowledge about spatial and temporal relationships, as well as interpretation of characteristic database schema elements from relevant collection management systems.