关键词: 工作流模型, 柔性块, 交互式基于案例的推理, 柔性

Abstract: The current workflow models are hard to describe uncertain factors in applications before run-time.For this problem，a flexible workflow modeling technique based on so-called flexible block is proposed.The flexible block is running in Ad hoc manner firstly，then it’s inside process structure is gotten through process mining after the running history data being accumulated to a degree.And then，the application scenarios are matched，and the process model of flexible block is educed through interactive case-based reasoning.Practices indicate the technique proposed by this paper can reuse the modeling knowledge very well.Modeling efficiency of flexible block is improved along with the executing times of it.The workflow models containning flexible blocks are with high flexibility.

Key words: workflow model, flexible block, interactive case-based reasoning, flexibility