1 code implementation • ICML 2020 • Fabian Hinder, André Artelt, CITEC Barbara Hammer
The notion of concept drift refers to the phenomenon that the distribution, which is underlying the observed data, changes over time; as a consequence machine learning models may become inaccurate and need adjustment.
no code implementations • 5 Mar 2025 • Isaac Roberts, Alexander Schulz, Sarah Schroeder, Fabian Hinder, Barbara Hammer
In this work, we propose to explain the uncertainty in high-dimensional data classification settings by means of concept activation vectors which give rise to local and global explanations of uncertainty.
no code implementations • 17 Feb 2025 • Rupert Mitchell, Antonio Alliegro, Raffaello Camoriano, Dustin Carrión-Ojeda, Antonio Carta, Georgia Chalvatzaki, Nikhil Churamani, Carlo D'Eramo, Samin Hamidi, Robin Hesse, Fabian Hinder, Roshni Ramanna Kamath, Vincenzo Lomonaco, Subarnaduti Paul, Francesca Pistilli, Tinne Tuytelaars, Gido M van de Ven, Kristian Kersting, Simone Schaub-Meyer, Martin Mundt
For each challenge, we provide specific recommendations to help move the field forward, including formalizing temporal dynamics through distribution processes, developing principled approaches for continuous task spaces, and incorporating density estimation and generative objectives.
no code implementations • 12 Dec 2024 • Fabian Hinder, Valerie Vaquet, David Komnick, Barbara Hammer
Besides the classical offline setup of machine learning, stream learning constitutes a well-established setup where data arrives over time in potentially non-stationary environments.
no code implementations • 25 Nov 2024 • Fabian Hinder, Valerie Vaquet, Barbara Hammer
Concept drift refers to the change of data distributions over time.
no code implementations • 16 Oct 2024 • Valerie Vaquet, Fabian Hinder, André Artelt, Inaam Ashraf, Janine Strotherm, Jonas Vaquet, Johannes Brinkrolf, Barbara Hammer
Research on methods for planning and controlling water distribution networks gains increasing relevance as the availability of drinking water will decrease as a consequence of climate change.
1 code implementation • 16 Oct 2024 • Felix Störck, Fabian Hinder, Johannes Brinkrolf, Benjamin Paassen, Valerie Vaquet, Barbara Hammer
The contribution of this work is twofold: 1) we develop a general framework for fair machine learning of partition-based models that does not depend on a specific fairness definition, and 2) we derive a fair version of learning vector quantization (LVQ) as a specific instantiation.
1 code implementation • 27 Jan 2024 • Sarah Schröder, Alexander Schulz, Fabian Hinder, Barbara Hammer
Furthermore, we formally analyze cosine based scores from the literature with regard to these requirements.
1 code implementation • 3 Jan 2024 • Valerie Vaquet, Fabian Hinder, Barbara Hammer
In this work, we explore the potential of model-loss-based and distribution-based drift detection methods to tackle leakage detection.
1 code implementation • 15 Dec 2023 • Fabian Hinder, Valerie Vaquet, Barbara Hammer
Concept drift, i. e., the change of the data generating distribution, can render machine learning models inaccurate.
no code implementations • 24 Oct 2023 • Fabian Hinder, Valerie Vaquet, Barbara Hammer
In addition to providing a systematic literature review, this work provides precise mathematical definitions of the considered problems and contains standardized experiments on parametric artificial datasets allowing for a direct comparison of different strategies for detection and localization.
1 code implementation • 24 Oct 2023 • Valerie Vaquet, Fabian Hinder, Jonas Vaquet, Kathrin Lammers, Lars Quakernack, Barbara Hammer
Facing climate change, the already limited availability of drinking water will decrease in the future rendering drinking water an increasingly scarce resource.
no code implementations • 16 Mar 2023 • Fabian Hinder, Valerie Vaquet, Johannes Brinkrolf, Barbara Hammer
To do so, we propose a methodology to reduce the explanation of concept drift to an explanation of models that are trained in a suitable way extracting relevant information regarding the drift.
no code implementations • 8 Feb 2023 • Valerie Vaquet, Fabian Hinder, Johannes Brinkrolf, Barbara Hammer
Learning from non-stationary data streams is a research direction that gains increasing interest as more data in form of streams becomes available, for example from social media, smartphones, or industrial process monitoring.
no code implementations • 2 Dec 2022 • Fabian Hinder, Valerie Vaquet, Johannes Brinkrolf, Barbara Hammer
More precisely, we relate a change of the ITTE to the presence of real drift, i. e., a changed posterior, and to a change of the training result under the assumption of optimality.
no code implementations • 13 May 2022 • Fabian Hinder, André Artelt, Valerie Vaquet, Barbara Hammer
The notion of concept drift refers to the phenomenon that the data generating distribution changes over time; as a consequence machine learning models may become inaccurate and need adjustment.
no code implementations • 19 Feb 2022 • Fabian Hinder, Valerie Vaquet, Barbara Hammer
In this paper, we analyze structural properties of the drift induced signals in the context of different metrics.
no code implementations • 15 Nov 2021 • Sarah Schröder, Alexander Schulz, Philip Kenneweg, Robert Feldhans, Fabian Hinder, Barbara Hammer
However, lately some works have raised doubts about these metrics showing that even though such metrics report low biases, other tests still show biases.
1 code implementation • 6 Apr 2021 • André Artelt, Fabian Hinder, Valerie Vaquet, Robert Feldhans, Barbara Hammer
We also propose a method for automatically finding regions in data space that are affected by a given model adaptation and thus should be explained.
1 code implementation • 3 Mar 2021 • André Artelt, Valerie Vaquet, Riza Velioglu, Fabian Hinder, Johannes Brinkrolf, Malte Schilling, Barbara Hammer
Counterfactual explanations explain a behavior to the user by proposing actions -- as changes to the input -- that would cause a different (specified) behavior of the system.
1 code implementation • 1 Dec 2020 • Fabian Hinder, Jonathan Jakob, Barbara Hammer
The notion of concept drift refers to the phenomenon that the distribution, which is underlying the observed data, changes over time.
no code implementations • 23 Jun 2020 • Fabian Hinder, Barbara Hammer
The notion of concept drift refers to the phenomenon that the distribution, which is underlying the observed data, changes over time; as a consequence machine learning models may become inaccurate and need adjustment.
no code implementations • 10 Dec 2019 • Lukas Pfannschmidt, Jonathan Jakob, Fabian Hinder, Michael Biehl, Peter Tino, Barbara Hammer
In this contribution, we focus on feature selection paradigms, which enable us to uncover relevant factors of a given regularity based on a sparse model.
1 code implementation • 4 Dec 2019 • Fabian Hinder, André Artelt, Barbara Hammer
The notion of drift refers to the phenomenon that the distribution, which is underlying the observed data, changes over time.
1 code implementation • 19 Sep 2019 • Alexander Schulz, Fabian Hinder, Barbara Hammer
So far, most methods in the literature investigate the decision of the model for a single given input datum.