2 papers
cs.DB2025
Join Cardinality Estimation with OmniSketches
David Justen, Matthias Boehm
Join ordering is a key factor in query performance, yet traditional cost-based optimizers often produce sub-optimal plans due to inaccurate cardinality estimates in multi-predicate…
cs.DB2025
An Empirical Evaluation of Serverless Cloud Infrastructure for Large-Scale Data Processing
Thomas Bodner, Theo Radig, David Justen +2
Data processing systems are increasingly deployed in the cloud. While monolithic systems run fully on virtual servers, recent systems embrace cloud infrastructure and utilize the d…