Current workflow generation researches often focus on automatic process construction and rarely discuss re-lated execution mechanism.Hence

they often lack of the support for workflow dynamic generation

activity just-in-time resource binding and manual activities.Based on pattern-oriented workflow generation planning

a synthesis execution mechanism in workflow generation was proposed It provides an abstract activity planning approach to support workflow runtime refinement and uses participant servicization approach to facilitate activity-resource just-in-time binding.It minimizes possible runtime exceptions and provides a unified support for manual and automated activities.