Design complexity measurement and testing
Communications of the ACM
Introduction to algorithms
Towards a metrics suite for object oriented design
OOPSLA '91 Conference proceedings on Object-oriented programming systems, languages, and applications
Refactoring object-oriented frameworks
Refactoring object-oriented frameworks
Object-oriented metrics that predict maintainability
Journal of Systems and Software - Special issue on object-oriented software
Object-oriented software metrics: a practical guide
Object-oriented software metrics: a practical guide
A Validation of Object-Oriented Design Metrics as Quality Indicators
IEEE Transactions on Software Engineering
An investigation into coupling measures for C++
ICSE '97 Proceedings of the 19th international conference on Software engineering
Defining and Validating Measures for Object-Based High-Level Design
IEEE Transactions on Software Engineering
Exploring the relationship between design measures and software quality in object-oriented systems
Journal of Systems and Software
Finding refactorings via change metrics
OOPSLA '00 Proceedings of the 15th ACM SIGPLAN conference on Object-oriented programming, systems, languages, and applications
Elements of Software Science (Operating and programming systems series)
Elements of Software Science (Operating and programming systems series)
Metrics and Models in Software Quality Engineering
Metrics and Models in Software Quality Engineering
A Metrics Suite for Object Oriented Design
IEEE Transactions on Software Engineering
Predicting Maintenance Performance Using Object-Oriented Design Complexity Metrics
IEEE Transactions on Software Engineering
IEEE Transactions on Software Engineering
CSMR '01 Proceedings of the Fifth European Conference on Software Maintenance and Reengineering
Quantitative evaluation of software quality
ICSE '76 Proceedings of the 2nd international conference on Software engineering
Evaluating the Impact of Object-Oriented Design on Software Quality
METRICS '96 Proceedings of the 3rd International Symposium on Software Metrics: From Measurement to Empirical Results
Quality-driven software re-engineering
Journal of Systems and Software - Special issue on: Software architecture - Engineering quality attributes
Mathematical Assessment of Object-Oriented Design Quality
IEEE Transactions on Software Engineering
A Survey of Software Refactoring
IEEE Transactions on Software Engineering
Using Origin Analysis to Detect Merging and Splitting of Source Code Entities
IEEE Transactions on Software Engineering
Detecting higher-level similarity patterns in programs
Proceedings of the 10th European software engineering conference held jointly with 13th ACM SIGSOFT international symposium on Foundations of software engineering
Microscopic Coupling Metrics for Refactoring
CSMR '06 Proceedings of the Conference on Software Maintenance and Reengineering
Evaluating the Quality of Open Source Software
Electronic Notes in Theoretical Computer Science (ENTCS)
How we refactor, and how we know it
ICSE '09 Proceedings of the 31st International Conference on Software Engineering
Empirical investigation of refactoring effect on software quality
Information and Software Technology
Gathering refactoring data: a comparison of four methods
Proceedings of the 2nd Workshop on Refactoring Tools
Impact of test-driven development on productivity, code and tests: A controlled experiment
Information and Software Technology
Rank-based refactoring decision support: two studies
Innovations in Systems and Software Engineering
Issues arising from refactoring studies: an experience report
ACM SIGSOFT Software Engineering Notes
CIMMACS'11/ISP'11 Proceedings of the 10th WSEAS international conference on Computational Intelligence, Man-Machine Systems and Cybernetics, and proceedings of the 10th WSEAS international conference on Information Security and Privacy
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Software systems undergo modifications, improvements and enhancements to cope with evolving requirements. This maintenance can cause their quality to decrease. Various metrics can be used to evaluate the way the quality is affected. Refactoring is one of the most important and commonly used techniques of transforming a piece of software in order to improve its quality. However, although it would be expected that the increase in quality achieved via refactoring is reflected in the various metrics, measurements on real life systems indicate the opposite. We analyzed source code version control system logs of popular open source software systems to detect changes marked as refactorings and examine how the software metrics are affected by this process, in order to evaluate whether refactoring is effectively used as a means to improve software quality within the open source community.