1 code implementation • 6 Jun 2024 • Lars Hillebrand, Prabhupad Pradhan, Christian Bauckhage, Rafet Sifa
We introduce "pointer-guided segment ordering" (SO), a novel pre-training technique aimed at enhancing the contextual understanding of paragraph-level text representations in large language models.
no code implementations • 27 Nov 2023 • Maurice Günder, Sneha Banerjee, Rafet Sifa, Christian Bauckhage
Model-agnostic explanation methods for deep learning models are flexible regarding usability and availability.
no code implementations • 6 Nov 2023 • Maurice Günder, Facundo Ramón Ispizua Yamati, Abel Andree Barreto Alcántara, Anne-Katrin Mahlein, Rafet Sifa, Christian Bauckhage
One novelty in this work is the combination of remote sensing data with environmental parameters of the experimental sites for disease severity prediction.
no code implementations • 20 Oct 2023 • Tobias Deußer, Cong Zhao, Wolfgang Krämer, David Leonhard, Christian Bauckhage, Rafet Sifa
During the pre-training step of natural language models, the main objective is to learn a general representation of the pre-training dataset, usually requiring large amounts of textual data to capture the complexity and diversity of natural language.
no code implementations • 15 Aug 2023 • Tobias Deußer, Lars Hillebrand, Christian Bauckhage, Rafet Sifa
Ever-larger language models with ever-increasing capabilities are by now well-established text processing tools.
no code implementations • 11 Aug 2023 • Lars Hillebrand, Armin Berger, Tobias Deußer, Tim Dilmaghani, Mohamed Khaled, Bernd Kliem, Rüdiger Loitz, Maren Pielka, David Leonhard, Christian Bauckhage, Rafet Sifa
Auditing financial documents is a very tedious and time-consuming process.
no code implementations • 27 Jun 2023 • Sebastian Müller, Vanessa Toborek, Katharina Beckh, Matthias Jakobs, Christian Bauckhage, Pascal Welke
The Rashomon Effect describes the following phenomenon: for a given dataset there may exist many models with equally good performance but with different solution strategies.
no code implementations • 11 Nov 2022 • Lars Hillebrand, Tobias Deußer, Tim Dilmaghani, Bernd Kliem, Rüdiger Loitz, Christian Bauckhage, Rafet Sifa
It combines a financial named entity and relation extraction module with a BERT-based filtering and text pair classification component to extract KPIs from unstructured sentences before linking them to synonymous occurrences in the balance sheet and profit & loss statement.
1 code implementation • 17 Oct 2022 • Tobias Deußer, Syed Musharraf Ali, Lars Hillebrand, Desiana Nurchalifah, Basil Jacob, Christian Bauckhage, Rafet Sifa
We introduce KPI-EDGAR, a novel dataset for Joint Named Entity Recognition and Relation Extraction building on financial reports uploaded to the Electronic Data Gathering, Analysis, and Retrieval (EDGAR) system, where the main objective is to extract Key Performance Indicators (KPIs) from financial documents and link them to their numerical values and other attributes.
Ranked #1 on Joint Entity and Relation Extraction on KPI-EDGAR
3 code implementations • 3 Oct 2022 • Rajkumar Ramamurthy, Prithviraj Ammanabrolu, Kianté Brantley, Jack Hessel, Rafet Sifa, Christian Bauckhage, Hannaneh Hajishirzi, Yejin Choi
To help answer this, we first introduce an open-source modular library, RL4LMs (Reinforcement Learning for Language Models), for optimizing language generators with RL.
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.
1 code implementation • 2 Sep 2022 • Vanessa Toborek, Moritz Busch, Malte Boßert, Christian Bauckhage, Pascal Welke
"Leichte Sprache", the German counterpart to Simple English, is a regulated language aiming to facilitate complex written language that would otherwise stay inaccessible to different groups of people.
no code implementations • 8 Aug 2022 • Christian Bauckhage, Helen Schneider, Benjamin Wulff, Rafet Sifa
We explore the merits of training of support vector machines for binary classification by means of solving systems of ordinary differential equations.
no code implementations • 3 Aug 2022 • Lars Hillebrand, Tobias Deußer, Tim Dilmaghani, Bernd Kliem, Rüdiger Loitz, Christian Bauckhage, Rafet Sifa
We present KPI-BERT, a system which employs novel methods of named entity recognition (NER) and relation extraction (RE) to extract and link key performance indicators (KPIs), e. g. "revenue" or "interest expenses", of companies from real-world German financial documents.
no code implementations • 8 Jun 2022 • Barry D. Reese, Marek Kowalik, Christian Metzl, Christian Bauckhage, Eldar Sultanow
Over the past decade, machine learning revolutionized vision-based quality assessment for which convolutional neural networks (CNNs) have now become the standard.
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.
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).
1 code implementation • 8 Jan 2022 • Maurice Günder, Facundo R. Ispizua Yamati, Jana Kierdorf, Ribana Roscher, Anne-Katrin Mahlein, Christian Bauckhage
Our workflow is able to automatize plant cataloging and training image extraction, especially for large datasets.
no code implementations • 27 Oct 2021 • Kostadin Cvejoski, Ramses J. Sanchez, Christian Bauckhage, Cesar Ojeda
In the present work we leverage the known power of reviews to enhance rating predictions in a way that (i) respects the causality of review generation and (ii) includes, in a bidirectional fashion, the ability of ratings to inform language review models and vice-versa, language representations that help predict ratings end-to-end.
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.
1 code implementation • 10 Dec 2020 • Kostadin Cvejoski, Ramses J. Sanchez, Bogdan Georgiev, Christian Bauckhage, Cesar Ojeda
Specifically, we use the dynamic representations of recurrent point process models, which encode the history of how business or service reviews are received in time, to generate instantaneous language models with improved prediction capabilities.
1 code implementation • 16 Nov 2020 • Rajkumar Ramamurthy, Rafet Sifa, Christian Bauckhage
Reinforcement learning (RL) has recently shown impressive performance in complex game AI and robotics tasks.
no code implementations • 3 Nov 2020 • Laura von Rueden, Tim Wirtz, Fabian Hueger, Jan David Schneider, Christian Bauckhage
Artificial intelligence for autonomous driving must meet strict requirements on safety and robustness.
no code implementations • 14 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.
no code implementations • 9 Dec 2019 • Kostadin Cvejoski, Ramses J. Sanchez, Bogdan Georgiev, Jannis Schuecker, Christian Bauckhage, Cesar Ojeda
Recent progress in recommender system research has shown the importance of including temporal representations to improve interpretability and performance.
no code implementations • 13 Nov 2019 • Eduardo Brito, Max Lübbering, David Biesner, Lars Patrick Hillebrand, Christian Bauckhage
This article briefly explains our submitted approach to the DocEng'19 competition on extractive summarization.
no code implementations • WS 2019 • Vishwani Gupta, Sven Giesselbach, Stefan R{\"u}ping, Christian Bauckhage
Word-based embedding approaches such as Word2Vec capture the meaning of words and relations between them, particularly well when trained with large text collections; however, they fail to do so with small datasets.
no code implementations • 24 Jun 2019 • César Ojeda, Kostadin Cvejosky, Ramsés J. Sánchez, Jannis Schuecker, Bogdan Georgiev, Christian Bauckhage
Service system dynamics occur at the interplay between customer behaviour and a service provider's response.
1 code implementation • 29 Mar 2019 • Laura von Rueden, Sebastian Mayer, Katharina Beckh, Bogdan Georgiev, Sven Giesselbach, Raoul Heese, Birgit Kirsch, Julius Pfrommer, Annika Pick, Rajkumar Ramamurthy, Michal Walczak, Jochen Garcke, Christian Bauckhage, Jannis Schuecker
It considers the source of knowledge, its representation, and its integration into the machine learning pipeline.
1 code implementation • Machine Learning 2019 • Marion Neumann, Roman Garnett, Christian Bauckhage, Kristian Kersting
We introduce propagation kernels, a general graph-kernel framework for efficiently measuring the similarity of structured data.
Ranked #8 on Graph Classification on NCI109
no code implementations • 12 Mar 2018 • Patrick Schramowski, Christian Bauckhage, Kristian Kersting
The move from hand-designed to learned optimizers in machine learning has been quite successful for gradient-based and -free optimizers.
no code implementations • 17 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.
no code implementations • 4 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.
no code implementations • 23 Dec 2015 • Christian Bauckhage
We show that the objective function of conventional k-means clustering can be expressed as the Frobenius norm of the difference of a data matrix and a low rank approximation of that data matrix.
no code implementations • 25 Jan 2015 • Shanshan Zhang, Christian Bauckhage, Dominik A. Klein, Armin B. Cremers
Motivated by the center-surround mechanism in the human visual attention system, we propose to use average contrast maps for the challenge of pedestrian detection in street scenes due to the observation that pedestrians indeed exhibit discriminative contrast texture.
1 code implementation • 13 Oct 2014 • Marion Neumann, Roman Garnett, Christian Bauckhage, Kristian Kersting
We introduce propagation kernels, a general graph-kernel framework for efficiently measuring the similarity of structured data.
no code implementations • CVPR 2014 • Shanshan Zhang, Christian Bauckhage, Armin B. Cremers
Our main contribution is to systematically design a pool of rectangular templates that are tailored to this shape model.
no code implementations • 26 Oct 2013 • Christian Bauckhage, Kristian Kersting
We consider the problem of clustering data that reside on discrete, low dimensional lattices.