Resource Representation in Migrating Workflow System Modeling

Workflow is a critical enabler for achieving enterprise competitiveness with today's hot technologies, as portals, e-business and e-commerce. Workflow modeling is the first step before workflow executes, and resources can become important decision factors. The lack of resources can cause contention, the need for some tasks to wait for others to complete, and the slowing down of the accomplishment of larger goals. In this paper, we discuss the resource model in workflow system, and define the resource-constrained model. The main merit of resource model is that it bridges the gap between the human and the machine level problem solving.