REMARK: Currently, WINDOW can only be used for element and time windows. For Predicate Windows use PREDICATEWINDOW
The window sets – dependent on the used parameters – the validity of the tuple. If a time based window is used, the default time granularity is in milliseconds. So, if you have another time granularity, you may use the unit-parameter (e.g. use 5 for size and SECONDS for the unit parameter) or you have to adjust the arity (e.g. use 5000 for size without the unit parameter)
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