Context: GitHub, nowadays the most popular social coding platform, has become the
reference for mining Open Source repositories, a growing research trend aiming at learning …

Truck Factor (TF) is a metric proposed by the agile community as a tool to identify
concentration of knowledge in software development environments. It states the minimal …

Open-source projects do not exist in a vacuum. They benefit from reusing other projects and
themselves are being reused by others, creating complex networks of interdependencies, ie …

Open model developers have emerged as key actors in the political economy of artificial
intelligence (AI), but we still have a limited understanding of collaborative practices in the …

Open source software represents an important form of digital infrastructure as well as a
pathway to technical careers for many developers, but women are drastically …

A software project has" Hero Developers" when 80% of contributions are delivered by 20%
of the developers. Are such heroes a good idea? Are too many heroes bad for software …

Although the open source model bears many advantages in software development, open
source projects are always hard to sustain. Previous research on open source sustainability …

Machine learning (ML) components are increasingly incorporated into software products, yet
developers face challenges in transitioning from ML prototypes to products. Academic …

Many open-source software projects are self-organized and do not maintain official lists with
information on developer roles. So, knowing which developers take core and maintainer …

Open source projects are most often evaluated by potential contributors and consumers
using metrics that describe a level of activity within the project because those measurements …