no code implementations • 13 Oct 2023 • Loong Kuan Lee, Geoffrey I. Webb, Daniel F. Schmidt, Nico Piatkowski
Doing so tractably is non-trivial as we need to decompose the divergence between these distributions and therefore, require a decomposition over the marginal and conditional distributions of these models.
1 code implementation • 22 Jan 2023 • Raoul Heese, Thore Gerlach, Sascha Mücke, Sabine Müller, Matthias Jakobs, Nico Piatkowski
The resulting attributions can be interpreted as explanations for why a specific circuit works well for a given task, improving the understanding of how to construct parameterized (or variational) quantum circuits, and fostering their human interpretability in general.
Explainable Artificial Intelligence (XAI) Quantum Machine Learning
no code implementations • 19 Jan 2023 • Raoul Heese, Sascha Mücke, Matthias Jakobs, Thore Gerlach, Nico Piatkowski
We propose a novel definition of Shapley values with uncertain value functions based on first principles using probability theory.
no code implementations • 5 Sep 2022 • Maurice Günder, Nico Piatkowski, Christian Bauckhage
The concept of Label Distribution Learning (LDL) is a technique to stabilize classification and regression problems with ambiguous and/or imbalanced labels.
no code implementations • 1 Jun 2022 • Nico Piatkowski, Christa Zoufal
In this work, we provide the first method that allows one to provably generate unbiased and independent samples from general discrete factor models with a quantum circuit.
no code implementations • 23 May 2022 • Laura von Rueden, Sebastian Houben, Kostadin Cvejoski, Christian Bauckhage, Nico Piatkowski
In this paper, we propose a novel informed machine learning approach and suggest to pre-train on prior knowledge.
no code implementations • 23 Apr 2022 • Nico Piatkowski, Thore Gerlach, Romain Hugues, Rafet Sifa, Christian Bauckhage, Frederic Barbaresco
Given is a set of images, where all images show views of the same area at different points in time and from different viewpoints.
1 code implementation • 24 Mar 2022 • Sascha Mücke, Raoul Heese, Sabine Müller, Moritz Wolter, Nico Piatkowski
In machine learning, fewer features reduce model complexity.
no code implementations • 15 Mar 2022 • Christian Bauckhage, Thore Gerlach, Nico Piatkowski
We show that the fundamental tasks of sorting lists and building search trees or heaps can be modeled as quadratic unconstrained binary optimization problems (QUBOs).
no code implementations • 8 Dec 2021 • Loong Kuan Lee, Nico Piatkowski, François Petitjean, Geoffrey I. Webb
We show that we are able to compute a wide family of functionals and divergences, such as the alpha-beta divergence, between two decomposable models, i. e. chordal Markov networks, in time exponential to the treewidth of these models.
1 code implementation • 30 Aug 2021 • Raoul Heese, Moritz Wolter, Sascha Mücke, Lukas Franken, Nico Piatkowski
Recent advances in practical quantum computing have led to a variety of cloud-based quantum computing platforms that allow researchers to evaluate their algorithms on noisy intermediate-scale quantum (NISQ) devices.
no code implementations • 1 Jun 2021 • Katharina Morik, Helena Kotthaus, Lukas Heppe, Danny Heinrich, Raphael Fischer, Andreas Pauly, Nico Piatkowski
On the other hand, care labels are the result of a certification suite that tests whether stated guarantees hold.
no code implementations • 21 May 2021 • Katharina Morik, Helena Kotthaus, Raphael Fischer, Sascha Mücke, Matthias Jakobs, Nico Piatkowski, Andreas Pauly, Lukas Heppe, Danny Heinrich
How can they be guaranteed for a certain implementation of a machine learning model?
no code implementations • 15 Apr 2021 • Laura von Rueden, Tim Wirtz, Fabian Hueger, Jan David Schneider, Nico Piatkowski, Christian Bauckhage
Lastly, we present quantitative results on the Cityscapes dataset indicating that our validation approach can indeed uncover errors in semantic segmentation masks.
no code implementations • 23 Dec 2020 • Lukas Franken, Bogdan Georgiev, Sascha Mücke, Moritz Wolter, Raoul Heese, Christian Bauckhage, Nico Piatkowski
The results provide intuition on how randomized search heuristics behave on actual quantum hardware and lay out a path for further refinement of evolutionary quantum gate circuits.
no code implementations • 25 Sep 2020 • Lukas Heppe, Michael Kamp, Linara Adilova, Danny Heinrich, Nico Piatkowski, Katharina Morik
This paper investigates an approach to communication-efficient on-device learning of integer exponential families that can be executed on low-power processors, is privacy-preserving, and effectively minimizes communication.
no code implementations • 28 Jan 2020 • Benjamin Sliwa, Nico Piatkowski, Christian Wietfeld
Exploiting big data knowledge on small devices will pave the way for building truly cognitive Internet of Things (IoT) systems.
no code implementations • 1 Jul 2019 • Sibylle Hess, Nico Piatkowski, Katharina Morik
The Boolean product is a disjunction of rank-1 binary matrices, each describing a feature-relation, called pattern, for a group of samples.
no code implementations • 17 Jun 2019 • Sibylle Hess, Katharina Morik, Nico Piatkowski
In contrast to existing work, the new algorithm minimizes the description length of the resulting factorization.
no code implementations • 23 Apr 2019 • Benjamin Sliwa, Robert Falkenberg, Thomas Liebig, Nico Piatkowski, Christian Wietfeld
The exploitation of vehicles as mobile sensors acts as a catalyst for novel crowdsensing-based applications such as intelligent traffic control and distributed weather forecast.
Networking and Internet Architecture
1 code implementation • 18 Jun 2018 • Robert Falkenberg, Benjamin Sliwa, Nico Piatkowski, Christian Wietfeld
Energy-aware system design is an important optimization task for static and mobile Internet of Things (IoT)-based sensor nodes, especially for highly resource-constrained vehicles such as mobile robotic systems.
Networking and Internet Architecture