PPI Repository

Sum of elapsed time between the start event of an activity instance and the complete event of the activity instance that precedes it, for all activity instances in a case.

Event log in which the waiting time between every activity instance is of relevance.

Minimizing waiting time is desirable.

actinst
case
time
type

Formula for practitioners

$\sum _{i \in \mathit{inst}(c)} \mathit{WT}(i)$

$\mathit{inst}(c)$ returns the set of all activity instances in case $c$.
$\mathit{WT}(i)$ returns the waiting time of activity instance $i$.