At the heart of software evolution is a sequence of edit actions, called an edit script, made to
a source code file. Since software systems are stored version by version, the edit script has …

Software intensively depends on external libraries whose relevance may change during its
life cycle. As a consequence, software developers must periodically reconsider the libraries …

Library migration is the process of replacing a third-party library in favor of a competing one
during software maintenance. The process of transforming a software source code to …

Context: Ownership metrics measure how the workload of software modules is shared
among their developers. They have been shown to be accurate indicators of software …

All kinds of software projects, whether open or closed source, rely on open source
components. Repositories that serve open source components to organizations, such as the …

Identifying expertise in a project is essential for task allocation, knowledge dissemination,
and risk management, among other activities. However, keeping a detailed record of such …

Context: Expert identification is becoming critical to ease the communication between
developers in case of global software development or to better know members of large …

Software metrics have been developed to measure the quality of software systems. A proper
use of metrics requires thresholds to determine whether the value of a metric is acceptable …

Heavy usage of third-party libraries is almost mandatory in modern software systems. The
knowledge of these libraries is generally scattered across the development team. When a …

With mining software repositories (MSR), we analyze the rich data created during the whole
evolution of one or more software projects. One major obstacle in MSR is the heterogeneity …