Robert Mertens

An Aspect-Oriented Visual Ontology Editor with Edit-Time Consistency Checking

2017

Semantic computing relies on knowledge. Ontologies are a most common means for knowledge representation and they are widely used in numerous semantic applications. While ontologies are both useful and easy-to-use, they are not easy to …

An app-based Spaced Repetition Learning Environment with User Generated Video Content

2023

Spaced repetition is a learning task that helps users repeat learning items at optimally computed intervals. It is best suited for small learning units such as learning cards. In a typical learning scenario these learning …