Search Results for author: Nathaniel Berger

Found 5 papers, 2 papers with code

Enhancing Supervised Learning with Contrastive Markings in Neural Machine Translation Training

no code implementations17 Jul 2023 Nathaniel Berger, Miriam Exel, Matthias Huck, Stefan Riezler

Supervised learning in Neural Machine Translation (NMT) typically follows a teacher forcing paradigm where reference tokens constitute the conditioning context in the model's prediction, instead of its own previous predictions.

Machine Translation NMT +1

Don't Search for a Search Method -- Simple Heuristics Suffice for Adversarial Text Attacks

no code implementations16 Sep 2021 Nathaniel Berger, Stefan Riezler, Artem Sokolov, Sebastian Ebert

Recently more attention has been given to adversarial attacks on neural networks for natural language processing (NLP).

Adversarial Text

Sparse Perturbations for Improved Convergence in Stochastic Zeroth-Order Optimization

1 code implementation2 Jun 2020 Mayumi Ohta, Nathaniel Berger, Artem Sokolov, Stefan Riezler

Interest in stochastic zeroth-order (SZO) methods has recently been revived in black-box optimization scenarios such as adversarial black-box attacks to deep neural networks.

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