Ferdinand Bollwein

On the Hardness of Separation of Duties Problems for Cloud Databases

Lena Wiese, Ferdinand Bollwein, 2018, TrustBus.

A branch & bound algorithm to determine optimal cross-splits for decision tree induction

Ferdinand Bollwein, Martin Dahmen, Stephan Westphal, 2020, Annals of Mathematics and Artificial Intelligence.

Closeness Constraints for Separation of Duties in Cloud Databases as an Optimization Problem

Lena Wiese, Ferdinand Bollwein, 2017, BICOD.

Keeping Secrets by Separation of Duties While Minimizing the Amount of Cloud Servers

Lena Wiese, Ferdinand Bollwein, 2018, Trans. Large Scale Data Knowl. Centered Syst..

Separation of Duties for Multiple Relations in Cloud Databases as an Optimization Problem

Lena Wiese, Ferdinand Bollwein, 2017, IDEAS.

A Replication Scheme for Multiple Fragmentations with Overlapping Fragments

Tim Waage, Lena Wiese, Ferdinand Bollwein, 2016, Comput. J..

Ein Replikationsschema für multiple Fragmentierungen mit überlappenden Fragmenten

Lena Wiese, Ferdinand Bollwein, 2016, GvD.

A branch & bound algorithm to determine optimal bivariate splits for oblique decision tree induction

Stephan Westphal, Ferdinand Bollwein, Stephan Westphal, 2021, Applied Intelligence.