- uses a branching model of time, because it was primarily developed to characterize planning, in which one must consider alternative possible actions
- does not work well for narrative interpretation, since it treats events as atomic and requires the order of events be known
- for narrative interpretation, the event calculus is more suitable
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- can express many of the temporal relations that arise in narratives; however, only limited success has been obtained so far in applying it in the interpretation of natural language texts
- since it uses a linear model of time, it is not suitable for planning
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