Search Results for author: Johannes Brinkrolf

Found 5 papers, 2 papers with code

Model Based Explanations of Concept Drift

no code implementations16 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.

Combining self-labeling and demand based active learning for non-stationary data streams

no code implementations8 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.

Active Learning valid

On the Change of Decision Boundaries and Loss in Learning with Concept Drift

no code implementations2 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.

Explaining Reject Options of Learning Vector Quantization Classifiers

1 code implementation15 Feb 2022 André Artelt, Johannes Brinkrolf, Roel Visser, Barbara Hammer

While machine learning models are usually assumed to always output a prediction, there also exist extensions in the form of reject options which allow the model to reject inputs where only a prediction with an unacceptably low certainty would be possible.

counterfactual Quantization

Evaluating Robustness of Counterfactual Explanations

1 code implementation3 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.

counterfactual Decision Making +1

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