In today's rapidly changing business environment a company's business and related information systems underlie constant change. The field of evolutionary business information systems deals with applications that can be modified partially by stakeholders regarding content and behavior with the objective to align to new business requirements. A possibility to change the behavior of an application could be achieved by modification of the underlying business processes. Subject-oriented business process management (S-BPM) realizes an approach where process models can be interpreted by an appropriate workflow engine and directly executed by stakeholders using a generic application working on it. In that way the generic application can be seen as a primary system on which a secondary design can be performed by editing the process models. In this paper we compare evolutionary business information systems with subjectoriented business process management with the objective to infer software requirements for implementing an evolutionary business information system on the basis of S-BPM, where the system behavior is a result of the continuous evolution of the underlying business processes.
Employee empowerment, meaning among other granting employees discretion to change work processes, has been identified as mean to improve the performance of an organization. Although the involvement of business process participants has been identified as one of the key success factors for BPM projects, end users are typically not participating in the modeling process nor are they involved in the implementation of the modelled processes based on supporting IT systems. Therefore the direct influence of employees on their work processes supported by IT systems is limited. To overcome this limitation this paper presents an agile business process management approach based on a strong involvement of process participants. To foster the involvement we propose a reduced model size and complexity, the iterative enrichment of the process model with exceptional paths and the possibility to migrate process instances to newer process model versions. We show which parts of this proposal are already used today, which additional requirements exist, which available research helps to propose solutions for the open issues and which hypothesis lying beyond our proposal we're planning to test.
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