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Using independent ad hoc tasks that have preconditions that state when such a task may be executed and when it must be executed, will result in far better maintainable and flexible business models, a quicker time to market and happier customers with regards to maintenance. Furthermore, precondition based tasks will result in a more flexible application, since tasks are only available and/or required when necessary.

Using ad hoc tasks and preconditions requires a shift in business process modeling. Instead of thinking about a task and possible next tasks, the business process modeler needs to figure out when a task is applicable and necessary.

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