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cs.SE2025
ChangePrism: Visualizing the Essence of Code Changes
Lei Chen, Michele Lanza, Shinpei Hayashi
Understanding the changes made by developers when they submit a pull request and/or perform a commit on a repository is a crucial activity in software maintenance and evolution. Th…
cs.SE2025
How Much Can a Behavior-Preserving Changeset Be Decomposed into Refactoring Operations?
Kota Someya, Lei Chen, Michael J. Decker +1
Developers sometimes mix behavior-preserving modifications, such as refactorings, with behavior-altering modifications, such as feature additions. Several approaches have been prop…