3 papers
cs.SE2026
Multifaceted Hero Developers and Bug-Fixing Outcomes Across Severity
Amit Kumar, Mahen Gandhi, Meher Bhardwaj +2
Open-source projects often rely on a small group of highly active contributors known as hero developers. Prior work shows that hero developers are common in many OSS and enterprise…
cs.SE2026
Leveraging Commit Size Context and Hyper Co-Change Graph Centralities for Defect Prediction
Amit Kumar, Ethari Hrishikesh, Sonali Agarwal
File-level defect prediction models traditionally rely on product and process metrics. While process metrics effectively complement product metrics, they often overlook commit size…
cs.SE2025
Co-Change Graph Entropy: A New Process Metric for Defect Prediction
Ethari Hrishikesh, Amit Kumar, Meher Bhardwaj +1
Process metrics, valued for their language independence and ease of collection, have been shown to outperform product metrics in defect prediction. Among these, change entropy (Has…