Understanding Collective Social Behavior in OSS Communities: A Co-editing Network Analysis of Activity Cascades
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866911242252189696 |
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| author | Qarkaxhija, Lisi Capraro, Maximilian Menzel, Stefan Sendhoff, Bernhard Scholtes, Ingo |
| author_facet | Qarkaxhija, Lisi Capraro, Maximilian Menzel, Stefan Sendhoff, Bernhard Scholtes, Ingo |
| contents | Understanding the collective social behavior of software developers is crucial to model and predict the long-term dynamics and sustainability of Open Source Software (OSS) communities. To this end, we analyze temporal activity patterns of developers, revealing an inherently ``bursty'' nature of commit contributions. To investigate the social mechanisms behind this phenomenon, we adopt a network-based modelling framework that captures developer interactions through co-editing networks. Our framework models social interactions, where a developer editing the code of other developers triggers accelerated activity among collaborators. Using a large data set on 50 major OSS communities, we further develop a method that identifies activity cascades, i.e. the propagation of developer activity in the underlying co-editing network. Our results suggest that activity cascades are a statistically significant phenomenon in more than half of the studied projects. We further show that our insights can be used to develop a simple yet practical churn prediction method that forecasts which developers are likely to leave a project. Our work sheds light on the emergent collective social dynamics in OSS communities and highlights the importance of activity cascades to understand developer churn and retention in collaborative software projects. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_26173 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Understanding Collective Social Behavior in OSS Communities: A Co-editing Network Analysis of Activity Cascades Qarkaxhija, Lisi Capraro, Maximilian Menzel, Stefan Sendhoff, Bernhard Scholtes, Ingo Software Engineering Understanding the collective social behavior of software developers is crucial to model and predict the long-term dynamics and sustainability of Open Source Software (OSS) communities. To this end, we analyze temporal activity patterns of developers, revealing an inherently ``bursty'' nature of commit contributions. To investigate the social mechanisms behind this phenomenon, we adopt a network-based modelling framework that captures developer interactions through co-editing networks. Our framework models social interactions, where a developer editing the code of other developers triggers accelerated activity among collaborators. Using a large data set on 50 major OSS communities, we further develop a method that identifies activity cascades, i.e. the propagation of developer activity in the underlying co-editing network. Our results suggest that activity cascades are a statistically significant phenomenon in more than half of the studied projects. We further show that our insights can be used to develop a simple yet practical churn prediction method that forecasts which developers are likely to leave a project. Our work sheds light on the emergent collective social dynamics in OSS communities and highlights the importance of activity cascades to understand developer churn and retention in collaborative software projects. |
| title | Understanding Collective Social Behavior in OSS Communities: A Co-editing Network Analysis of Activity Cascades |
| topic | Software Engineering |
| url | https://arxiv.org/abs/2509.26173 |