Search Results for author: Stefan Wrobel

Found 14 papers, 2 papers with code

Guideline for Trustworthy Artificial Intelligence -- AI Assessment Catalog

no code implementations20 Jun 2023 Maximilian Poretschkin, Anna Schmitz, Maram Akila, Linara Adilova, Daniel Becker, Armin B. Cremers, Dirk Hecker, Sebastian Houben, Michael Mock, Julia Rosenzweig, Joachim Sicking, Elena Schulz, Angelika Voss, Stefan Wrobel

Artificial Intelligence (AI) has made impressive progress in recent years and represents a key technology that has a crucial impact on the economy and society.

Robustness in Fatigue Strength Estimation

no code implementations2 Dec 2022 Dorina Weichert, Alexander Kister, Sebastian Houben, Gunar Ernis, Stefan Wrobel

Fatigue strength estimation is a costly manual material characterization process in which state-of-the-art approaches follow a standardized experiment and analysis procedure.

Multi-Agent Neural Rewriter for Vehicle Routing with Limited Disclosure of Costs

no code implementations13 Jun 2022 Nathalie Paul, Tim Wirtz, Stefan Wrobel, Alexander Kister

We propose the introduction of a so-called pool in the system which serves as a collection point for unvisited nodes.

Multi-agent Reinforcement Learning

Graph Filtration Kernels

no code implementations22 Oct 2021 Till Hendrik Schulz, Pascal Welke, Stefan Wrobel

The majority of popular graph kernels is based on the concept of Haussler's $\mathcal{R}$-convolution kernel and defines graph similarities in terms of mutual substructures.

Learning Weakly Convex Sets in Metric Spaces

no code implementations10 May 2021 Eike Stadtländer, Tamás Horváth, Stefan Wrobel

Although it has been shown quite a while ago that efficient learning of weakly convex hypotheses, a parameterized relaxation of convex hypotheses, is possible for the special case of Boolean functions, the question of whether this idea can be developed into a generic paradigm has not been studied yet.

A Generalized Weisfeiler-Lehman Graph Kernel

no code implementations20 Jan 2021 Till Hendrik Schulz, Tamás Horváth, Pascal Welke, Stefan Wrobel

The Weisfeiler-Lehman graph kernels are among the most prevalent graph kernels due to their remarkable time complexity and predictive performance.

Wasserstein Dropout

1 code implementation23 Dec 2020 Joachim Sicking, Maram Akila, Maximilian Pintz, Tim Wirtz, Asja Fischer, Stefan Wrobel

Despite of its importance for safe machine learning, uncertainty quantification for neural networks is far from being solved.

Object Detection regression +1

Learning Syllogism with Euler Neural-Networks

no code implementations14 Jul 2020 Tiansi Dong, Chengjiang Li, Christian Bauckhage, Juanzi Li, Stefan Wrobel, Armin B. Cremers

In contrast to traditional neural network, ENN can precisely represent all 24 different structures of Syllogism.

Logical Reasoning

Maximal Closed Set and Half-Space Separations in Finite Closure Systems

no code implementations13 Jan 2020 Florian Seiffarth, Tamas Horvath, Stefan Wrobel

As a first approach to overcome this negative result, we relax the problem to maximal closed set separation, give a generic greedy algorithm solving this problem with a linear number of closure operator calls, and show that this bound is sharp.

Inductive logic programming

Adiabatic Quantum Computing for Binary Clustering

no code implementations17 Jun 2017 Christian Bauckhage, Eduardo Brito, Kostadin Cvejoski, Cesar Ojeda, Rafet Sifa, Stefan Wrobel

Quantum computing for machine learning attracts increasing attention and recent technological developments suggest that especially adiabatic quantum computing may soon be of practical interest.

BIG-bench Machine Learning Clustering

Using Echo State Networks for Cryptography

no code implementations4 Apr 2017 Rajkumar Ramamurthy, Christian Bauckhage, Krisztian Buza, Stefan Wrobel

The key idea is to assume that Alice and Bob share a copy of an echo state network.

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