collaboration in open-source projects: myth or reality? (msr14)

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Collaboration in Open-Source Projects: Myth or Reality? Yuriy Tymchuk, Andrea Mocci, Michele Lanza REVEAL @ Faculty of Informatics – University of Lugano, Switzerland

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Collaboration in Open-Source Projects: Myth or Reality?

Yuriy Tymchuk, Andrea Mocci, Michele Lanza REVEAL @ Faculty of Informatics – University of Lugano, Switzerland

Andrew Meneely, Laurie Williams Socio-Technical Developer Networks:Should We Trust Our Measurements? ICSE 2011

• I have never heard of this person before • I recognize this name, but I don’t know much about them • I know who this person is, but I have not worked with them directly • I have worked with this person on this project

“Next, in the context of the Example project, what is your connection to the following people?”

• I have never heard of this person before • I recognize this name, but I don’t know much about them • I know who this person is, but I have not worked with them directly • I have worked with this person on this project

“Next, in the context of the Example project, what is your connection to the following people?”

• I have never heard of this person before • I recognize this name, but I don’t know much about them • I know who this person is, but I have not worked with them directly

“I know and have collaborated (by contributing source code) with the following people:”

• Strongly disagree • Partially disagree • Neutral • Partially agree • Strongly agree

• Strongly disagree

“I know and have collaborated (by contributing source code) with the following people:”

• Strongly disagree • Partially disagree • Neutral • Partially agree • Strongly agree 85

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25

10

17

common projects common commits

alternating versions alternating versions in time frame

201 165

171

common projects common commits

alternating versions alternating versions in time frame

189

201 165

171

alternating versions in time frame

189

38%(201) 31%(165)

32%(171)

common projects common commits

alternating versions

36%(189)

529

38%(201) 31%(165)

32%(171)

common projects common commits

alternating versions alternating versions in time frame

36%(189)

529

6%(11)

174

6%(11)

10%(17)13%(23)

Collaboration in Open-Source Projects: Myth or Reality?

Yuriy Tymchuk, Andrea Mocci, Michele Lanza REVEAL @ Faculty of Informatics – University of Lugano, Switzerland

R AE E LV

Collaboration in Open-Source Projects: Myth or Reality?

Yuriy Tymchuk, Andrea Mocci, Michele Lanza REVEAL @ Faculty of Informatics – University of Lugano, Switzerland

R AE E LV