Design properties and evolvability of object-oriented systems
Advances in software engineering
A change impact model for changeability assessment in object-oriented software systems
Science of Computer Programming - Software maintenance and reengineering (CSMR 99)
Measuring changeability for generic aspect-oriented systems
ACM SIGSOFT Software Engineering Notes
Characterizing software architecture changes: A systematic review
Information and Software Technology
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Software development techniques have seen significant progress since the 1960s. Most research accomplishments have been in software development but not in software maintenance. This is also true for the object-oriented paradigm. We believe that the features of object-oriented approach have a significant impact on maintainability. We report an incipient study indicating that the architecture of an object-oriented system indeed affects its maintainability. This is attributed to the structure of its inheritance hierarchy, among other factors. We also attempt to provide some rationale behind this phenomenon. The possible tension between object reuse and the maintainability of its product is also discussed in the paper.