Kasper Overgaard Mortensen

Practical Adversarial Multi-Armed Bandits with Sublinear Runtime

Sankofa: Online Query-Adaptive Dynamic Graph Summaries

Knowledge Graphs (KGs) model semantic relationships between entities and are widely used in tasks such as question answering, recommendation, and large language model training. As KGs grow to billions of triples, storing and querying them on local devices becomes infeasible and also raises privacy concerns. KG summariz...

Towards Anticipatory Databases Through Shared Data and Workload Semantics

Database management systems increasingly serve dynamic and exploratory workloads, yet many of their decisions still rely on low-level signals such as recency, frequency, and address locality. These signals capture how data was accessed, but not what is being examined or how an analytical focus evolves. We argue for tre...