Search Results for author: Lukas Pfahler

Found 10 papers, 3 papers with code

Exposing Bias in Online Communities through Large-Scale Language Models

no code implementations4 Jun 2023 Celine Wald, Lukas Pfahler

This work utilises the flaw of bias in language models to explore the biases of six different online communities.

Text Generation

Explaining Deep Learning Representations by Tracing the Training Process

1 code implementation13 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.

Noisy Labels for Weakly Supervised Gamma Hadron Classification

no code implementations30 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.

Astronomy Classification

Bit Error Tolerance Metrics for Binarized Neural Networks

no code implementations2 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).

Fighting Filterbubbles with Adversarial BERT-Training for News-Recommendation

no code implementations1 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.

News Recommendation

Generalized Negative Correlation Learning for Deep Ensembling

2 code implementations5 Nov 2020 Sebastian Buschjäger, Lukas Pfahler, Katharina Morik

Ensemble algorithms offer state of the art performance in many machine learning applications.

Towards Explainable Bit Error Tolerance of Resistive RAM-Based Binarized Neural Networks

no code implementations3 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.

Evolution of Eigenvalue Decay in Deep Networks

no code implementations28 May 2019 Lukas Pfahler, Katharina Morik

The linear transformations in converged deep networks show fast eigenvalue decay.

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