Definition
Retrospective event processing is the detection of patterns on past events i.e., not done when the event occur, this can be done as part of existing event processing.
Historical Background
While the concept of “event pattern” typically refers to the events on-the-move, there are cases, in which it is required to use these patterns on past events, this typically happens in one of the following cases:
- 1.
Situation Reinforcement: An event pattern designates the possibility that a business situation has occurred; in order to provide positive or negative reinforcement, as part of the on-line pattern detection, there is a need to find complementary pattern in order to assert or refute the occurrence of the situation.
- 2.
Retrospective Context.In regular cases, contexts to start and look for patterns start with a certain event, and go forward until either some event occurs, or the context expires. There are cases in which the arrival of an event indicates the end of the context,...
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Etzion, O. (2009). Retrospective Event Processing. In: LIU, L., ÖZSU, M.T. (eds) Encyclopedia of Database Systems. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-39940-9_582
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DOI: https://doi.org/10.1007/978-0-387-39940-9_582
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