This is the personal website of Klaas Andries de Graaf.


On this website I highlight some of my research projects and writings. And how to contact me.
You can also check my LinkedIn profile for more information on my work experience.

I started this website while being self-employed with Softcode (let me know if you are in need of software design, consultancy, or development).
I redirect to this website from http://kadegraaf.nl, as it now highlights on personal projects, and on my research work.
You might have also been redirected here from http://archimind.nl, as I worked on the ArchiMind semantic wiki

Research and projects:

I currently work as a software engineer at Joorz IT services.

In 2019 I worked on I worked on food data integration, prediction models, and expert systems at the Food Informatics group at Wageningen Food & Biobased Research at Wageningen University & Research.
From 2016 to 2018 I was a Postdoctoral Researcher in the Knowledge Representation & Reasoning research group at Vrije Universiteit where I worked on SlideWiki in the SlideWiki H2020 EU project.
I also collaborated in the RISIS FP7 EU project on linked data and data science in the Linked Data Reactor.

During my PhD in the IMSE research group I investigated the use of ontologies and semantic wikis to organise and retrieve knowledge in software architecture documentation.
Also see my PhD thesis, a demonstration of the ArchiMind semantic wiki, Source code of ArchiMind on Github, and a presentation on this ontology-based software architecture documentation approach during WICSA 2012

My research interests include: See my Github account to check my development activities (individual projects below)


Do not hesitate to about collaboration, projects, ideas, suggestions, literature, and references related to my research.


Also see ORCIDORCID iD icon, DBLP dblp logo Academia.edu, Researchgate, Mendeley