Process Improvement for Web Information Systems Engineering

Traditional software engineering and information systems engineering is structured into requirements analysis and definition, systems design, systems implementation and testing, and systems operation and maintenance. For web information systems the traditional approach suffers in three obstacles: late integration of architectural decisions, neglecting user expectations, and late implementations. Web information systems follow pre-defined three-tiered architectures. They also must consider expectations, profiles and portfolio of a large variety of users. Additionally, users expect an early involvement into the development and an early evaluation of the system. At the same time, traditional software engineering has led to quality assurance during the development process based on CMMI and SPICE. This paper shows how the achievements of traditional software engineering can be preserved while overcoming the obstacles. We develop an approach that integrates application domain description with development of presentation and information systems. The development methodology is improved based on the requirements of SPICE.