It is done. I finished my PhD. You can find my thesis at the server of University of Hildesheim and my defense presentation on Youtube.
Our computers are getting smaller and smaller. I lately observed a discussion where people discussed whether they still needed a notebook or tablet because their phone was all they needed for their digital life. I think this is really interesting. When I started with computers, they were heavy machines split up into tower, monitor, keyboard […]
Some of you might know our project about school archives. This catalogues historical sources about schools and helps researchers to find these sources easier. One big problem we came across when building this platform was the effort to collect basic information about a school. This is very time-consuming (there are more than 1000 schools in […]
What did you do in your PhD? – ECER 2021
I held a short presentation at ECER 2021, which was online due to the pandemic. This presentation gives a good overview about my PhD work. You can also find the abstract and the slides. I also created a teaser. In short, I developed an ontology or a metadata set for qualitative coding schemas. This ontology […]
Roman Mars – The 99% invisible city
I really love the podcast 99% invisible that deals with design. Therefore I was excited when they announced a book about hidden design in cities. The book copies the aim of the podcast to make the invisble visible and point the reader to design in cities and the cool stories behind it. It is divided […]
As some of you know, we started the project Interlinking Pictura some time ago. We also published an article about this as Bridging citizen science and open educational resources at OpenSym 2018 (DOI: https://doi.org/10.1145/3233391.3233539). This was a rather technical article about the project and how we wanted to integrate citizen science. Later, some collegues asked, […]
The continuation of the Schularchive-Wiki within the framework of the Fellow-Program Free Knowledge. I wrote this text to reflect on the Fellow-Programm together with my mentor Maximilian Heimstädt. It was first published at the blog of Wikimedia Germany. The Project As part of the Fellow Program Free Knowledge, the project Schularchive (school archives) was funded. […]
ECER 2021 pre-conference presentation
I am happy to present my work for the ontology QualiCO (my phd project) at ECER 2021. Watch my pre-conference presentation on Youtube.
Evaluation of German open data portals
In the last years, many cities and states in Germany built up portals where they publish data, for instance about how they spend money, to an overview of the trees in their city. This Open government data is becoming more and more important. First, transparency of public institutions is always important and second, data-driven services […]
Reflections on my PhD
In this post I want to write down what I learned during my PhD and what might help you too. It is my opinion on the stuff, but I used all of the techniques I described and they helped me. I split this up into four parts: Before you start, finding a supervisor, writing and […]