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How to pursue a PhD at the Distributed Systems Group


At first, make sure you want a PhD If that is not your driving force, you will probably fail. Having said that, there are several criteria for a good PhD thesis along with several tips how to pursue your research.


Criteria for a good PhD thesis

A PhD thesis is scientific work. Hence, you have to work hard to reach a scientific aim. In order to qualify for a scientific work, the main contribution has to fulfil the following criteria:

Tips on how to pursue your research

Research work is reading, thinking, trying, and writing – in any order and iteratively. Keep close contact to your advisor, and follow the steps below:

  1. Find a relevant problem. This can be from reading future work sections of papers or from open questions and tasks in ongoing research projects. Sometimes your advisor might have an idea. This is the basis for the motivation of your research.

  1. If needed, generalize the question to make it relevant for the broader audience, but keep it concise enough not to try to do it all. This should result in your research question (“the thesis”). Although not cast in stone, it serves as a guiding star through the darkness of complications and frustration which will accompany your research in some phases. If needed, refine the research question later on in accordance with your advisor.

  1. Relate the question to the state of the art. That involves a lot of literature research and reading of past and currently ongoing related work. Make short notes, you’ll need them for the related work sections in your publications. During this process, you will identify “your” research community(ies). At the end, you should be able to describe, what’s currently going on in your field of research. Relate your work to other disciplines as well, if applicable. Give a short presentation on that to your colleagues in the PhD seminar.

  1. Pursue your ideas (if you have none by now, you are in trouble) and try something out. Simulate or implement your ideas. Take care not to implement too much – your implementation is needed for evaluation purpose and as proof-of-concept mainly. Reflect on your assumptions, your methods, and your results in a critical way and refine your assumptions and methods if necessary.

  1. Write down your ideas and results in a research paper. Be honest and clear, don’t promise too much, but show what you have achieved and mention the important points (problem, assumptions, contribution, novelty, relevance, results, proof) explicitly several times throughout your paper. Don’t assume the reviewer likes your paper – assume she hates it and make it as hard as possible to reject your work. Give a presentation to your colleagues in the PhD seminar before your international conference presentations.

  1. Repeat steps 4 and 5 thereby refining steps 2 and 3, until you have sufficiently and comprehensively answered your research question. As an ultimate goal, you should become an expert in your specific research field, well known to the few groups internationally that pursue similar research.

  1. Participate in reviewing and organising of workshops and conferences. You’ll get to know the other side of the medal, which will help you, improve your own work. And after all, its service to the community you are part of.

  1. Write the thesis based on your most important research papers – you should typically have several high-quality papers published at that point in time. Refine the related work by double-checking complementary or concurrent ongoing work once more – by now you should know the most relevant people and research groups in your field anyway. Adhere to the formal guidelines for the thesis.

  1. Plan enough time for your advisor to read your thesis (four to six weeks is a good guess) and for yourself to revise it.





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