Every Row Counts: Combining Sketches and Sampling for Accurate Group-By Result Estimates. - Michael J. Freitag; Thomas Neumann 001 (CIDR, 2019)

Umbra: A Disk-Based System with In-Memory Performance. - Thomas Neumann 001; Michael J. Freitag (CIDR, 2020)

Adopting Worst-Case Optimal Joins in Relational Database Systems. - Michael J. Freitag; Maximilian Bandle; Tobias Schmidt; Alfons Kemper; Thomas Neumann 001 (Proc. VLDB Endow., 2020)

Memory-Optimized Multi-Version Concurrency Control for Disk-Based Database Systems. - Michael J. Freitag; Alfons Kemper; Thomas Neumann 001 (Proc. VLDB Endow., 2022)

Building an HTAP Database System for Modern Hardware. - Michael J. Freitag (2023)