Collaboration in Open-Source Projects: Myth or Reality? (msr14)

Mining software repositories to model a collaboration between developers is quite comment nowadays, but you have to pay attention. If you consider collaboration as a boolean property, everything seems to work fine, but it's not like that in a real life. On the other hand if you want to expand the model of collaboration to some ranged value, you risk in crating one more myth.

Transcript

1. 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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2. View Slide

3. Andrew Meneely, Laurie Williams
   Socio-Technical Developer Networks:

   Should We Trust Our Measurements?
   ICSE 2011
   

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4. • 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?”
   

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5. • 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
   

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6. “I know and have collaborated (by contributing
   source code) with the following people:”
   • Strongly disagree
   • Partially disagree
   • Neutral
   • Partially agree
   • Strongly agree
   • Strongly disagree
   

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7. “I know and have collaborated (by contributing
   source code) with the following people:”
   • Strongly disagree
   • Partially disagree
   • Neutral
   • Partially agree
   • Strongly agree 85
   43
   25
   10
   17
   

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9. common projects common commits
   alternating versions alternating versions
   in time frame
   

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10. 201 165
    171
    common projects common commits
    alternating versions alternating versions
    in time frame
    189
    

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11. 201 165
    171
    alternating versions
    in time frame
    189
    38%(201) 31%(165)
    32%(171)
    common projects common commits
    alternating versions
    36%(189)
    529
    

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12. 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)
    

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13. Collaboration in Open-Source Projects:
    Myth or Reality?
    Yuriy Tymchuk, Andrea Mocci, Michele Lanza
    REVEAL @ Faculty of Informatics – University of Lugano, Switzerland
    R A
    E E L
    V
    

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14. Collaboration in Open-Source Projects:
    Myth or Reality?
    Yuriy Tymchuk, Andrea Mocci, Michele Lanza
    REVEAL @ Faculty of Informatics – University of Lugano, Switzerland
    R A
    E E L
    V
    

    View Slide