Open Borders? Immigration in Open Source Projects

Bird, Christian; Gourley, Alex; Dévanbu, Prémkumar; Swaminathan, Anand; Hsu, Greta

doi:10.1109/msr.2007.23

Cited by 104 publications

(96 citation statements)

References 22 publications

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“…Mails, CVS logs, and enhancement proposals of the Python project served as data basis. Similarly, Bird et al presented a study in which they analyzed the process by which people join open source projects [3]. Results support their hypotheses that the rate of immigration is non-monotonic, and that technical skill and social reputation has an impact on becoming a developer.…”

Section: State-of-the-art In Socio-technical Network Analysismentioning

confidence: 82%

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Dynamic Analysis of Communication and Collaboration in OSS Projects

Pinzger

Gall

2010

Collaborative Software Engineering

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Section: State-of-the-art In Socio-technical Network Analysismentioning

confidence: 82%

“…The mapping was obtained from the Eclipse Platform Core project website. 3 In total the source code of Eclipse Platform Core component consists of 17 plugins. Communication between the developers of the component takes place in the mailing list platform-core-dev.…”

Section: The Eclipse Platform Core Projectmentioning

confidence: 99%

Dynamic Analysis of Communication and Collaboration in OSS Projects

Pinzger

Gall

2010

Collaborative Software Engineering

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“…Bird et al quantitatively modeled the relationship between time spent with the project and the probability of becoming a developer; their model used patch activities, social network attributes, and the time to first commit from the time of first communication on an email network [3]. Using proportional hazard rate modeling they observed that a developer's tenure is related to his skill and commitment as measured by his participation in the email network and his contribution of patches prior to first commit.…”

Section: Related Workmentioning

confidence: 99%

“…Previous work in this area has used survival modeling to model the trajectory over time of developer initiation [3]. In this work we are focused on early detection of developer initiation which limits the amount of data available to model the trajectory.…”

Section: B Modeling Developer Initiationmentioning

confidence: 99%

“…Project participants may migrate between these roles through the life of a project. This process has received a lot of attention in the empirical software research literature where it is variously referred to as developer initiation [1], entering the circle of trust [1], migration [2], and immigration [3]. A typical trajectory to becoming a developer is to start communicating with other participants in the project and then gradually get more involved, by earning a more central position in the project's social networks and/or producing more valuable technical contributions, like submitting patches, or working on bug activities [3].…”

Section: Introductionmentioning

confidence: 99%

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Social Activities Rival Patch Submission for Prediction of Developer Initiation in OSS Projects

Gharehyazie

Posnett

Filkov

2013

2013 IEEE International Conference on Software Maintenance

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Abstract-Maintaining a productive and collaborative team of developers is essential to Open Source Software (OSS) success, and hinges upon the trust inherent among the team. Whether a project participant is initiated as a developer is a function of both his technical contributions and also his social interactions with other project participants. One's online social footprint is arguably easier to ascertain and gather than one's technical contributions e.g., gathering patch submission information requires mining multiple sources with different formats, and then merging the aliases from these sources. In contrast to prior work, where patch submission was found to be an essential ingredient to achieving developer status, here we investigate the extent to which the likelihood of achieving that status can be modeled solely as a social network phenomenon. For 6 different OSS projects we compile and integrate a set of social measures of the communications network among OSS project participants and a set of technical measures, i.e. OSS developers patch submission activities. We use these sets to predict whether a project participant will become a developer. We find that the social network metrics, in particular the amount of two-way communication a person participates in, are more significant predictors of one's likelihood to becoming a developer. Further, we find that this is true to the extent that other predictors, e.g. patch submission info, need not be included in the models. In addition, we show that future developers are easy to identify with great fidelity when using the first three months of data of their social activities. Moreover, only the first month of their social links are a very useful predictor, coming within 10% of the three month data's predictions. Finally, we find that it is easier to become a developer earlier in the projects lifecycle than it is later as the project matures. These results should provide insight on the social nature of gaining trust and advancing in status in distributed projects.

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Assessing the efficacy of user and developer activities in facilitating the development of OSS projects

Jiau

Kao

2009

J. Softw. Maint. Evol.: Res. Pract.

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Although the development of open source software (OSS) projects is known to be critically dependent on many key factors, the precise contribution of the various user and developer activities toward the development of an OSS project is unknown. Therefore, an empirical study is performed to examine the correlation between the user/developer activities and the state of development of an OSS project. It is shown that certain user/developer activities have a particular efficacy in facilitating OSS project development. The results presented in this study provide an effective approach useful in observing and evaluating the development of OSS projects. Copyright © 2009 John Wiley & Sons, Ltd.

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Open Borders? Immigration in Open Source Projects

Cited by 104 publications

References 22 publications

Dynamic Analysis of Communication and Collaboration in OSS Projects

Dynamic Analysis of Communication and Collaboration in OSS Projects

Social Activities Rival Patch Submission for Prediction of Developer Initiation in OSS Projects

Assessing the efficacy of user and developer activities in facilitating the development of OSS projects

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