Tim Menzies

Less is More: Minimizing Code Reorganization using XTREE

© 2017 Elsevier B.V. Context: Developers use bad code smells to guide code reorganization. Yet developers, textbooks, tools, and researchers disagree on which bad smells are …

Topic Modeling of NASA Space System Problem Reports

Are delayed issues harder to resolve? Revisiting cost-to-fix of defects throughout the lifecycle

© 2016, Springer Science+Business Media New York. Many practitioners and academics believe in a delayed issue effect (DIE); i.e. the longer an issue lingers in the system, the more …

LACE2: Better Privacy-Preserving Data Sharing for Cross Project Defect Prediction

© 2015 IEEE. Before a community can learn general principles, it must share individual experiences. Data sharing is the fundamental step of cross project defect prediction, i.e. …

Local versus Global Lessons for Defect Prediction and Effort Estimation

Existing research is unclear on how to generate lessons learned for defect prediction and effort estimation. Should we seek lessons that are global to multiple projects or just …