"Things alter for the worse spontaneously, if they be not altered for the better designedly."
- Francis Bacon

Project Description      Online demo

Selected Papers

• Impact of Release Intervals on Empirical Research into Software Evolution, with Application to the Maintainability of Linux. Larry G. Thomas, Stephen R. Schach, Gillian Z. Heller, Jeff Offutt. IET Software, 3(1):58-66, February 2009. [Abstract]       [PDF]

• Quantitatively Measuring Object-Oriented Couplings Jeff Offutt, Aynur Abdurazik and Stephen R. Schach. Springer's Software Quality Journal, 6(4):489-517, December 2008. doi: 10.1007/s11219-008-9051-x. [Abstract]       [PDF]

• Maintainability of the Kernels of Open-Source Operating Systems: A Comparison of Linux with FreeBSD, NetBSD, and OpenBSD, Liguo Yu, Stephen R. Schach, Kai Chen, Gillian Z. Heller and Jeff Offutt. Journal of Systems and Software, 79:807-815, December 2005. [Abstract]       [PDF]

• Categorization of Common Coupling and its Application to the Maintainability of the Linux Kernel, Liguo Yu, Stephen R. Schach, Kai Chen and Jeff Offutt. IEEE Transactions on Software Engineering, 30(10):694-706, October 2004. [Abstract]       [PDF]

• Open-Source Change Logs, Kai Chen, Stephen R. Schach, and Jeff Offutt. Kluwer's Empirical Software Engineering, 9(3):197-210, September 2004. [Abstract]       [PDF]

• Determining the Distribution of Maintenance Categories: Survey Versus Empirical Study, Stephen R. Schach, Bo Jin, David R. Wright, Gillian Z. Heller, and Jeff Offutt. Kluwer's Empirical Software Engineering, 8(4):351-365, December 2003. [Abstract]       [PDF]

• Quality Impacts of Clandestine Common Coupling, Stephen R. Schach, Bo Jin, David R. Wright, Gillian Z. Heller, and Jeff Offutt. Kluwer's Software Quality Journal, 11(3):211-218, July 2003. [Abstract]       [PDF]

• Maintaining Evolving Component-based Software With UML, Ye Wu and Jeff Offutt. Proceedings Seventh European Conference on Software Maintenance and Reengineering, Benevento, Italy, March 2003, pp 133 -142. [Abstract]       [PDF]

• The Adherence of Open Source Java Programmers to Standard Coding Practices, Mahmoud Elish and Jeff Offutt. The 6th IASTED International Conference Software Engineering and Applications, Cambridge, MA, November 2002. [Abstract]       [PDF]

• An Empirical Comparison of Modularity of Procedural and Object-Oriented Software, Lisa Ferrett and Jeff Offutt. The Eighth IEEE International Conference on Engineering of Complex Computer Systems (ICECCS '02), Greenbelt, MD, November 2002. [Abstract]       [PDF]

• Applying a Semantic Fault Model to the Empirical Study of Corrective Maintenance, Jane Huffman Hayes and Jeff Offutt. Eighth IEEE Workshop on Empirical Studies of Software Maintenance, Montreal, Canada, October 2002. [Abstract]       [PDF]

• Maintainability of the Linux Kernel, Steve Schach, Bo Jin, David Wright, Gillian Z. Heller and Jeff Offutt. IEE Proceedings Journal: Special Issue on Open Source Software Engineering, 149(1):18-23, February 2002. [Abstract]       [PDF]

• Stephen R. Schach, Bo Jin, David R. Wright, Gillian Z. Heller, Jeff Offutt. Dependencies Within the Linux Kernel. The ACM Mid-Southeast Chapter Fall Conference, Gatlinburg, TN, November 2001

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