Research on Cross Organizational Workflow Collaborative Interaction Model Based on E-RTWD Net

Because of the demand of workflow functions of enterprise users, a solution of inter organizational workflow control is needed. In a department or organization, multiple workflows are combined to im-plement certain business functions. In this paper we propose the Co-RTWD network to solve this prob-lem.Co-RTWD net is based on E-RTWD Net model by adding Regist Element which is the basic unit of cross-organization collaborative interaction, and the definition of collaborative workflow server interactive model is provided.Then, the workflow collaborative interactive modes supported by Co-RTWD net are studied and the mathematical description is proposed.From the perspective of work-flow process response, the thesis investigates the initiative request mode and the passive response mode, and from the view of control flow and the number of collaborative processes, the paper studies four pattrens, the basic collaborative mode, union mode between processes, multi-instance mode of process and the fallback mode.