collaborators

5 papers

cs.DB2025

Bootstrapping Learned Cost Models with Synthetic SQL Queries

Michael Nidd, Christoph Miksovic, Thomas Gschwind +3

Having access to realistic workloads for a given database instance is extremely important to enable stress and vulnerability testing, as well as to optimize for cost and performanc…

cs.CY2025

AI Risk Atlas: Taxonomy and Tooling for Navigating AI Risks and Resources

Frank Bagehorn, Kristina Brimijoin, Elizabeth M. Daly +17

The rapid evolution of generative AI has expanded the breadth of risks associated with AI systems. While various taxonomies and frameworks exist to classify these risks, the lack o…

cs.AI2025

Are Bias Evaluation Methods Biased ?

Lina Berrayana, Sean Rooney, Luis Garcés-Erice +1

The creation of benchmarks to evaluate the safety of Large Language Models is one of the key activities within the trusted AI community. These benchmarks allow models to be compare…

cs.DB2025

A Learned Cost Model-based Cross-engine Optimizer for SQL Workloads

András Strausz, Niels Pardon, Ioana Giurgiu

Lakehouse systems enable the same data to be queried with multiple execution engines. However, selecting the engine best suited to run a SQL query still requires a priori knowledge…

cs.AI2025

Usage Governance Advisor: From Intent to AI Governance

Elizabeth M. Daly, Sean Rooney, Seshu Tirupathi +9

Evaluating the safety of AI Systems is a pressing concern for organizations deploying them. In addition to the societal damage done by the lack of fairness of those systems, deploy…