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Changes to software requirements occur throughout the software life cycle. Requirements engineers who maintain software systems in regulated environments must identify the affected artifacts when requirements change. This identification is critical to: (a) ensure continued compliance with regulations, and (b) accurately estimate budget requests. Previously, we introduced Requirements Evolution Charts...
A measure of how a class is impacted during design evolution is presented. The history of design changes that involve a given class is the basis for the measure. Classes that are often impacted by design changes are branded as important to the design of the system. Identifying these important classes helps reveal what parts of the system are regularly evolved (e.g., specific features or cross-cutting...
Software is consistently changing and evolving to new circumstances. Modifications to software do not always involve changes to a single, well-encapsulated module. Software developers are often faced with modification task that involve changes to source code artifacts such as function and comments that are spread across the code base. Developer must ensure that related entities are updated accordingly...
Developers often make multiple changes to software. These changes are introduced to work cooperatively or to accomplish separate goals. However, changes might not interact as expected or may produce undesired side effects. Thus, it is crucial for software-development tasks to know exactly which changes interact. For example, testers need this information to ensure that regression test suites test...
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