Hey! My name is Steven and I am a Ph.D. student in the Databases and Information Systems group at Humboldt University of Berlin, fortunate to be supervised by Prof. Dr. Matthias Weidlich.
My research focuses on the intersection of:
My research focuses on the intersection of:
- Event stream processing, e.g., {approximate, distributed} complex event processing
- Probabilistic data structures, e.g., designing summaries and sketches
- Learning-based algorithms, e.g., using prediction oracles
- Automata theory and formal languages
- {parameterized, fine-grained, descriptive} complexity theory
- Solving NP-hard optimization problems, i.e., exact and approximation algorithms
- Problems in NP ∩ coNP without known polynomial-time algorithms (I share Jack Edmonds view: NP ≠ NP ∩ coNP = P)
- Graph theory
When I am not sitting in front of the computer, I like to spend time hiking (with my dog), camping, drinking tea or hanging out with friends.
Thank you for stopping by, and please always feel welcome to contact me! :)