This property specifies that the temporal extent of the domain instance A of E2 Temporal Entity starts definitely before the end of the temporal extent of the range instance B of E2 Temporal Entity.
In other words, if A = [Astart, Aend] and B = [Bstart, Bend], we mean Astart < Bend is true.
This property is part of the set of temporal primitives P173 – P176, P182 – P185.
This property corresponds to a disjunction (logical OR) of the following Allen temporal relations (Allen, 1983): {before, meets, overlaps, starts, started-by, contains, finishes, finished-by, equals, during, overlapped by}
Typically, this property is a consequence of a known influence of some event on another event or activity, such as a novel written by someone being continued by someone else, or the knowledge of a defeat on a distant battlefield causing people to end their ongoing activities. This property is not transitive.
![](data:image/png;base64,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)
Figure 10: Temporal entity A starts before the end of temporal entity B. Here A is longer than B
![](data:image/png;base64,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)
Figure 11: Temporal entity A starts before the end of temporal entity B. Here A is shorter than B