projects: Add assignment of pull requests

Author: fneu

_projects/assign_pull_requests.md

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+---
+collaborating_projects:
+  - coala
+  - GitMate
+desc: "Notify developers about pull requests that propose changes in their specific field of expertise"
+difficulty: medium
+initiatives:
+  - Research
+issues" : []
+markdown: assign_pull_requests.md
+mentors:
+  - fneu
+  - sils
+name: "Automatic Assignment of Reviewers for Pull Requests"
+requirements:
+  - "At least one patch to coala or GitMate should be accepted and merged."
+  - "Familiarity with [IGitt](https://gitlab.com/gitmate/IGitt) is advised"
+tags:
+  - Workflow
+  - GitHub
+---
+Changes to the source code of a software can bring great improvements as well as
+great deteriorations. Bugs are hard to spot, especially for developers that
+have little experience with the code at hand. Important details of the implementation
+can be hard to understand and easy to overlook.
+
+It is therefore important that every change proposed by any developer gets reviewed
+by an experienced dev before it is merged into the software source. The developer
+best qualified for proposed changes is oftentimes the author of the previous
+implementation or somebody that has worked on it. These people have experience with
+the problem at hand as well as the exact code that is being changed.
+
+Not every dev can follow all the proposed change to a project all the time, especially
+once the project grows past a certain size. Therefore, a programmer might miss the
+opportunity to give valuable input on a matter he has great experience with.
+
+The goal of this project is to prevent this from happening and notify developers when another
+developer proposes changes to code they have authored or worked on. The Code altered in
+the pull request at hand should be evaluated for authorship as, i.e., indicated by the `git blame`
+command. The most appropriate developer for reviewing the proposal should then be selected and
+notified.
+
+The scope of this project is aimed at a scientific research thesis. Therefore we would like to see a
+clearly determined and structured approach as to how the appropriate developers will be selected.
+Most appropriate would be a literature-backed approach that is implemented and verified throughout the
+execution of this project.
+
+#### Milestones
+
+##### PROPOSAL
+
+* A credible strategy for selecting developers is proposed
+
+##### EVALUATION
+
+* The data of previous developer activity has been collected and processed
+* A toolchain is in place to automatically collect and evaluate the data of incoming pull requests
+* The proposed developer selection algorithm has been implemented
+* The developer selection done by the algorithm has been verified or refuted through real world testing