Chapter Four
Multiobjective Optimization for Software Refactoring and Evolution
Ali Ouni*,†; Marouane Kessentini†; Houari Sahraoui* * DIRO, University of Montreal, Montreal, Quebec, Canada† CIS, SBSE Research Laboratory, University of Michigan, Michigan, USA
Abstract
Many studies reported that software maintenance, traditionally defined as any modification made on a software system after its delivery, consumes up to 90% of the total cost of a typical software project. Adding new functionalities, correcting bugs, and modifying the code to improve its quality are major parts of those costs. To ease these maintenance activities, one of the most used techniques is the refactoring which improves design structure while preserving the external ...
