Abstract
Workflow-based systems are typically said to lead to better use of staff and better management and productivity. The first phase in building a workflow-based system is capturing the real-world process in a conceptual representation suitable for the following phases of formalization and implementation. The specification may be in text or diagram form or written in a formal language. This paper proposes a flow-based diagrammatic methodology as a tool for workflow specification. The expressiveness of the method is appraised though its ability to capture a workflow-based application. Here we show that the proposed conceptual diagrams are able to express situations arising in practice as an alternative to tools currently used in workflow systems. This is demonstrated by using the proposed methodology to partial build demo systems for two government agencies.
Highlights
This paper proposes a flow-based diagrammatic methodology as a tool for workflow specification
We show that the proposed conceptual diagrams are able to express situations arising in practice as an alternative to tools currently used in workflow systems
According to the Workflow Management Coalition (WFMC) [1], Workflow is concerned with the automation of procedures where documents, information or tasks are passed between participants according to a defined set of rules to achieve, or contribute to, an overall business goal
Summary
According to the Workflow Management Coalition (WFMC) [1], Workflow is concerned with the automation of procedures where documents, information or tasks are passed between participants according to a defined set of rules to achieve, or contribute to, an overall business goal. An investigation of current practices in workflow modeling supports the need for further research for improvement in this area. Today’s [2007] situation: We need a conceptual model for WFM The first phase in building a workflow-based system is capturing a real-world process in a conceptual representation amenable to formalization and implementation. The notion of process is important in the context of workflow and appears in many terms such as business process reengineering, continuous process improvement, and business process management, and many modeling techniques and tools are used in conjunction with process, such as DFD, UML, and Petri nets. We show that the proposed diagrams are able to express situations arising in practice as an alternative to tools currently in use for workflow systems
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