no code implementations • 15 May 2023 • Simon Koschel, Sebastian Buschjäger, Claudio Lucchese, Katharina Morik
Second, we extend our implementation from ranking models to classification models such as Random Forests.
no code implementations • 7 Dec 2021 • Sebastian Buschjäger, Sibylle Hess, Katharina Morik
Among the most successful online learning methods are Decision Tree (DT) ensembles.
1 code implementation • 8 Nov 2021 • Sebastian Buschjäger, Katharina Morik
Last, we study the diversity of an ensemble as a tool the estimate its performance.
1 code implementation • 19 Oct 2021 • Sebastian Buschjäger, Katharina Morik
In this paper, we revisit ensemble pruning in the context of `modernly' trained Random Forests where trees are very large.
no code implementations • 25 May 2021 • Philipp-Jan Honysz, Alexander Schulze-Struchtrup, Sebastian Buschjäger, Katharina Morik
Data summarizations are a valuable tool to derive knowledge from large data streams and have proven their usefulness in a great number of applications.
no code implementations • 2 Feb 2021 • Sebastian Buschjäger, Jian-Jia Chen, Kuan-Hsun Chen, Mario Günzel, Katharina Morik, Rodion Novkin, Lukas Pfahler, Mikail Yayla
In this study, our objective is to investigate the internal changes in the NNs that bit flip training causes, with a focus on binarized NNs (BNNs).
1 code implementation • 21 Jan 2021 • Philipp-Jan Honysz, Sebastian Buschjäger, Katharina Morik
The optimization of submodular functions constitutes a viable way to perform clustering.
2 code implementations • 5 Nov 2020 • Sebastian Buschjäger, Lukas Pfahler, Katharina Morik
Ensemble algorithms offer state of the art performance in many machine learning applications.
1 code implementation • 20 Oct 2020 • Sebastian Buschjäger, Philipp-Jan Honysz, Lukas Pfahler, Katharina Morik
Data summarization has become a valuable tool in understanding even terabytes of data.
no code implementations • 3 Feb 2020 • Sebastian Buschjäger, Jian-Jia Chen, Kuan-Hsun Chen, Mario Günzel, Christian Hakert, Katharina Morik, Rodion Novkin, Lukas Pfahler, Mikail Yayla
Finally, we explore the influence of a novel regularizer that optimizes with respect to this metric, with the aim of providing a configurable trade-off in accuracy and BET.