I talked a bit how you can use simple and approximate social networks to build a powerful predictor for build failure.

1. Predicting Build Outcome
with Developer Interaction
in
Adrian
Schröter

2. Motivation
Make Money

3. Motivation
Make Money Selling Products

4. Builds Builds Builds
Fail ✘
Succeed ✔
Build

5. Artifact Connections
Build

6. Artifact Connections
Change
Build

7. Artifact Connections
Change Task
Build

8. Network Construction

9. Network Construction
Task
Comment

10. Network Construction
Task
Comment

11. Network Construction
Task
Comment

12. Network Construction
Task A.Java
Comment Change

13. Network Construction
Task A.Java
Comment Change

14. Evaluation
Ok Error

15. Evaluation
Ok Error
Random 1/3 1/3
Splits 2/3 2/3

16. Evaluation
Ok Error
Train
Random 1/3 1/3 Prediction
Splits 2/3 2/3 Model

17. Evaluation
Ok Error
Train
Random 1/3 1/3 Prediction
Splits 2/3 2/3 Model
Test

18. Evaluation
Ok Error
Train
Random Average Recall:
1/3 1/3 96%
Prediction
Splits Average Precision: 81%
2/3 2/3 Model
Test

19. Current Work
foo.bar(int)

20. Current Work
changed
foo.bar(int)

21. Current Work
changed uses
foo.bar(int)

22. Current Work
discuss
changed uses
foo.bar(int)

23. For Here or To Go?

24. For Here or To Go?