Effort estimation is a critical activity for planning and monitoring software project development and for delivering the product on time and within budget. Significant over or under-estimates expose a software project to ...

In the software life cycle the internal structure of the system undergoes continuous modifications. These changes push away the source code from its original design, often reducing its quality. In such cases refactoring ...

This thesis contains a theoretical result in the eld of group actions on combinatorial structures, which is an important area of research, bringing forth some thirty publications per year. Besides its applications, mostly ...