Abstract:

Knowledge Reformulation and Abstraction (KRA) model has been introduced to formalize the workflow abstraction modeling process which is an iterative learning process of “PerceptionAbstraction”. Compared to  KRA model, the general KRA (GKRA) model is more general and flexible to represent the world which can represent the world from different abstraction granularity. We provided the workflow modeling process on the basis of the GKRA model. Particularly, we introduced the concept of function perception according to functional knowledge to automatically construct the workflow abstraction objects database WfOa. The mapping relation between the primary activity perception and the functionbased workflow abstraction object of WfOa was constructed to realize the replacement of the primary activity perceptions with corresponding mappings. With the aid of  these mapping relations, we generated the functionbased workflow abstraction model to simplify the representation of the primary workflow model.

Key words: G-KRA model, workflow modeling, function perception; workflow abstraction objects database