Open source software Mining software 3 Mining software repository 3 Open systems 3 Software repositories 3 Empirical studies 2 Empirical study 2 Mining software repositories 2 Odors 2 Software design 2 Software testing 2 Architectural smell 1 Architectural smells 1 ArgoUML 1 C++ (programming language) 1 C/C++ 1 Case-studies 1 Code review 1 Code smell 1 Codes (symbols) 1 Computer software selection and evaluation 1 Defects 1 Embedded systems 1 Evolvability 1 Extraction 1 Extraction process 1 Industrial case study 1 Industrial context 1 Industrial research 1 Line extraction 1