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.
1 code implementation • 17 Apr 2023 • Raphael Fischer, Matthias Jakobs, Katharina Morik
Advances in artificial intelligence need to become more resource-aware and sustainable.
no code implementations • 22 Aug 2022 • Lukas Pfahler, Katharina Morik
This is mainly due to the retrieval with keyword queries: technical terms differ in different sciences or at different times.
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.
1 code implementation • 13 Sep 2021 • Lukas Pfahler, Katharina Morik
We propose a novel explanation method that explains the decisions of a deep neural network by investigating how the intermediate representations at each layer of the deep network were refined during the training process.
no code implementations • 30 Aug 2021 • Lukas Pfahler, Mirko Bunse, Katharina Morik
Gamma hadron classification, a central machine learning task in gamma ray astronomy, is conventionally tackled with supervised learning.
no code implementations • 1 Jun 2021 • Katharina Morik, Helena Kotthaus, Lukas Heppe, Danny Heinrich, Raphael Fischer, Andreas Pauly, Nico Piatkowski
On the other hand, care labels are the result of a certification suite that tests whether stated guarantees hold.
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 • 21 May 2021 • Katharina Morik, Helena Kotthaus, Raphael Fischer, Sascha Mücke, Matthias Jakobs, Nico Piatkowski, Andreas Pauly, Lukas Heppe, Danny Heinrich
How can they be guaranteed for a certain implementation of a machine learning model?
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.
no code implementations • 1 Jan 2021 • Lukas Pfahler, Katharina Morik
Our experiments show that the features we can extract this way are significantly less predictive of the news outlet and thus offer the possibility to reduce the risk of manifestation of new filter bubbles.
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.
no code implementations • 29 Oct 2020 • Nikolaos Nikolaou, Ingo P. Waldmann, Angelos Tsiaras, Mario Morvan, Billy Edwards, Kai Hou Yip, Giovanna Tinetti, Subhajit Sarkar, James M. Dawson, Vadim Borisov, Gjergji Kasneci, Matej Petkovic, Tomaz Stepisnik, Tarek Al-Ubaidi, Rachel Louise Bailey, Michael Granitzer, Sahib Julka, Roman Kern, Patrick Ofner, Stefan Wagner, Lukas Heppe, Mirko Bunse, Katharina Morik
For instance, the most prolific method for detecting exoplanets and inferring several of their characteristics, transit photometry, is very sensitive to the presence of stellar spots.
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 • 25 Sep 2020 • Lukas Heppe, Michael Kamp, Linara Adilova, Danny Heinrich, Nico Piatkowski, Katharina Morik
This paper investigates an approach to communication-efficient on-device learning of integer exponential families that can be executed on low-power processors, is privacy-preserving, and effectively minimizes communication.
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.
no code implementations • 1 Jul 2019 • Sibylle Hess, Wouter Duivesteijn, Philipp Honysz, Katharina Morik
When it comes to clustering nonconvex shapes, two paradigms are used to find the most suitable clustering: minimum cut and maximum density.
no code implementations • 1 Jul 2019 • Sibylle Hess, Nico Piatkowski, Katharina Morik
The Boolean product is a disjunction of rank-1 binary matrices, each describing a feature-relation, called pattern, for a group of samples.
no code implementations • 17 Jun 2019 • Sibylle Hess, Katharina Morik, Nico Piatkowski
In contrast to existing work, the new algorithm minimizes the description length of the resulting factorization.
no code implementations • 17 Jun 2019 • Sibylle Hess, Katharina Morik
Given labeled data represented by a binary matrix, we consider the task to derive a Boolean matrix factorization which identifies commonalities and specifications among the classes.
no code implementations • 28 May 2019 • Lukas Pfahler, Katharina Morik
The linear transformations in converged deep networks show fast eigenvalue decay.
no code implementations • 16 Jun 2016 • Elena Erdmann, Karin Boczek, Lars Koppers, Gerret von Nordheim, Christian Pölitz, Alejandro Molina, Katharina Morik, Henrik Müller, Jörg Rahnenführer, Kristian Kersting
Migration crisis, climate change or tax havens: Global challenges need global solutions.