Overview of a Gap-driven Evolution Process
نویسندگان
چکیده
The construction of an Information System takes several years. Part of the solution is in the improvement of methods technique and tools to adapt systems. In this context, we propose an evolution process at the requirement level based on the concept of gap. This approach allows, on the one hand, thanks to the abstraction mechanism to focus only on goals and ways to achieve them avoiding the details. On the other hand, gap modelling allows to only focus on what makes the future system different from the legacy and avoid re-specifying things that remain stable. We describe in details the gap driven evolution process and illustrate it using a hotel room booking case study.
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