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Note: An extended version of this paper has been published at the 7th Workshop on Formal and Cognitive Reasoning, you can find it here. Our paper “Certification of Iterated Belief Changes via Model Checking and its Implementation” got accepted to the 19th International Workshop on Non-Monotonic Reasoning (NMR-2021) at the 18th International Conference on Principles of Knowledge Representation and Reasoning (KR 2021). During the workshop I held a short presentation of the results....

Our paper “On Using Model Checking for the Certification of Iterated Belief Changes” got accepted to the 7th Workshop on Formal and Cognitive Reasoning (FCR-2021) at the 44th German Conference on Artificial Intelligence (KI-2021). During the workshop I held a short presentation of the results. You can find both the paper as well as the presentation slides here. Abstract The theory of iterated belief change investigates how epistemic states are changed according to new beliefs....

I created this synopsis of some ideas from the paper “How to Revise a Total Preorder” by Booth and Meyer during the seminar on “Representation and processing of uncertain knowledge with logic-based methods” at the University of Hagen. The slides are from my final presentation of the topic (and might be more or less useless on their own). Abstract Adapting one’s world view in the light of new information is a central skill of intelligent agents....

“You’ll never forget your first dragon” used to be the promise of Tibia, a free 2D-MMO I played as a young teenager. I spend day after day playing Tibia, training skills with friends and exploring the world and still… never got to kill a dragon. Coming back With nostalgia rekindled by quickly burning out on WoW: Shadowlands I tried to check in my old account. Sadly, I did not only forget the password but also lost control of my email address....

A social media analytics tool, powered by a Java/PostgreSQL/Kubernetes backend and a React frontend. Landingpage Case Study Index New Report Report Example Report Example Report Example Comments by Word Comments by Sentiment

Finding needles There has never been as much information easily accessible to anyone as right now. The ease of publishing your own writing leads to new problems: The question is no longer where do you find content about a topic but what content is good and worth your time? To help you find the needle in the biggest haystack ever, here is my personal list of good content that influenced me....

Screenshots Login Intro slides Intro slides Setting up the user language Setting up the user language Profile view Write a letter List of your letters Letter feed See your own letter Comment on other letters

The popularity of machine learning, data science and related disciplines is exploding and with it the amount of courses, books, block posts etc you are exposed to. I recently finished the relatively old but highly rated course Machine Learning by Stanford University on Coursera and wanted to take the chance to offer my review and notes I took. The course Although the course is old enough to be referred to as “classic” by quite a few descriptions I have read it is timeless in the sense that most good introductions are....

A tweet in the database is worth two in the API Working with tweets from the twitter API probably means importing data into your own database - the standard API does not provide historical data (only the last seven days) and has various rate limits. So regardless of the final goal in this blog we’ll explore importing tweets from the API into a database for future use. All done with NodeJS, written in Typescript and utilizing MongoDB as data store....

As the final step in this long series of blogposts we are going to deploy a simple webapp in a docker container to my personal cloud. For context here is the personal cloud setup with Traefik/Let’s Encrypt (Run a personal cloud with Traefik, Let’s encrypt and Zookeeper). In previous blogposts I also described how I built the app (Build a PWA in docker). App deployment The deployment runs the docker container....