The process of discovering groups of similar vertices in a graph, known as graph clustering, has interesting applications in many different scenarios, such as marketing and recommendation systems. One of the most important aspects of graph clustering is the evaluation of cluster quality, which is important not only to measure the effectiveness of clustering algorithms, but also to give insights...

Monitoring the stability of the software process in the lower level companies is a challenging issue to software engineers. In this paper, SPC is applied to software metrics. Defect Density, Review Performance and Rework percentage and results after applying the SPC to various processes of software are discussed and analyzed, using control charts, the most sophisticated tools of SPC. The diffic...