no code implementations • COLING 2022 • Paul Grundmann, Tom Oberhauser, Felix Gers, Alexander Löser
Furthermore, we find that support sets drastically improve the performance for pregnancy- and gynecology-related diagnoses up to 32. 9% points compared to the baseline.
1 code implementation • 3 Feb 2025 • Alexei Figueroa, Justus Westerhoff, Golzar Atefi, Dennis Fast, Benjamin Winter, Felix Alexader Gers, Alexander Löser, Wolfang Nejdl
Biologically inspired neural networks offer alternative avenues to model data distributions.
1 code implementation • 25 Jan 2024 • Lisa Adams, Felix Busch, Tianyu Han, Jean-Baptiste Excoffier, Matthieu Ortala, Alexander Löser, Hugo JWL. Aerts, Jakob Nikolas Kather, Daniel Truhn, Keno Bressem
However, all models struggled significantly in tasks requiring the identification of missing information, highlighting a critical area for improvement in clinical data interpretation.
1 code implementation • 14 Apr 2023 • Tianyu Han, Lisa C. Adams, Jens-Michalis Papaioannou, Paul Grundmann, Tom Oberhauser, Alexander Löser, Daniel Truhn, Keno K. Bressem
As large language models (LLMs) like OpenAI's GPT series continue to make strides, we witness the emergence of artificial intelligence applications in an ever-expanding range of fields.
no code implementations • 14 Mar 2023 • Keno K. Bressem, Jens-Michalis Papaioannou, Paul Grundmann, Florian Borchert, Lisa C. Adams, Leonhard Liu, Felix Busch, Lina Xu, Jan P. Loyen, Stefan M. Niehues, Moritz Augustin, Lennart Grosser, Marcus R. Makowski, Hugo JWL. Aerts, Alexander Löser
This paper presents medBERTde, a pre-trained German BERT model specifically designed for the German medical domain.
1 code implementation • 16 Oct 2022 • Betty van Aken, Jens-Michalis Papaioannou, Marcel G. Naik, Georgios Eleftheriadis, Wolfgang Nejdl, Felix A. Gers, Alexander Löser
The use of deep neural models for diagnosis prediction from clinical text has shown promising results.
1 code implementation • LREC 2022 • Jens-Michalis Papaioannou, Paul Grundmann, Betty van Aken, Athanasios Samaras, Ilias Kyparissidis, George Giannakoulas, Felix Gers, Alexander Löser
Clinical phenotyping enables the automatic extraction of clinical conditions from patient records, which can be beneficial to doctors and clinics worldwide.
1 code implementation • NAACL (ClinicalNLP) 2022 • Betty van Aken, Sebastian Herrmann, Alexander Löser
We thus introduce an extendable testing framework that evaluates the behavior of clinical outcome models regarding changes of the input.
no code implementations • LREC 2022 • Benjamin Winter, Alexei Figueroa, Alexander Löser, Felix Alexander Gers, Amy Siu
We apply KIMERA to BERT-base to evaluate the extent of the domain transfer and also improve on the already strong results of BioBERT in the clinical domain.
no code implementations • 2 Aug 2021 • Paul Grundmann, Sebastian Arnold, Alexander Löser
Retrieving answer passages from long documents is a complex task requiring semantic understanding of both discourse and document context.
1 code implementation • EACL 2021 • Betty van Aken, Jens-Michalis Papaioannou, Manuel Mayrdorfer, Klemens Budde, Felix A. Gers, Alexander Löser
Outcome prediction from clinical text can prevent doctors from overlooking possible risks and help hospitals to plan capacities.
Ranked #1 on
Length-of-Stay prediction
on Clinical Admission Notes from MIMIC-III
(using extra training data)
1 code implementation • 9 Nov 2020 • Betty van Aken, Benjamin Winter, Alexander Löser, Felix A. Gers
At the same time, they are difficult to incorporate into the large, black-box models that achieve state-of-the-art results in a multitude of NLP tasks.
1 code implementation • 3 Feb 2020 • Sebastian Arnold, Betty van Aken, Paul Grundmann, Felix A. Gers, Alexander Löser
Our model leverages a dual encoder architecture with hierarchical LSTM layers and multi-task training to encode the position of clinical entities and aspects alongside the document discourse.
1 code implementation • 6 Nov 2019 • Lukas Behrendt, Katrin Casel, Tobias Friedrich, J. A. Gregor Lagodzinski, Alexander Löser, Marcus Wilhelm
Our generalization of the tree doubling algorithm gives a parameterized 3-approximation, where the parameter is the number of asymmetric edges in a given minimum spanning arborescence.
Data Structures and Algorithms
2 code implementations • 11 Sep 2019 • Betty van Aken, Benjamin Winter, Alexander Löser, Felix A. Gers
In order to better understand BERT and other Transformer-based models, we present a layer-wise analysis of BERT's hidden states.
3 code implementations • TACL 2019 • Sebastian Arnold, Rudolf Schneider, Philippe Cudré-Mauroux, Felix A. Gers, Alexander Löser
From our extensive evaluation of 20 architectures, we report a highest score of 71. 6% F1 for the segmentation and classification of 30 topics from the English city domain, scored by our SECTOR LSTM model with bloom filter embeddings and bidirectional segmentation.
no code implementations • WS 2018 • Betty van Aken, Julian Risch, Ralf Krestel, Alexander Löser
Toxic comment classification has become an active research field with many recently proposed approaches.
1 code implementation • 5 Apr 2018 • Iurii Chernushenko, Felix A. Gers, Alexander Löser, Alessandro Checco
We present a new methodology for high-quality labeling in the fashion domain with crowd workers instead of experts.
Aspect-Based Sentiment Analysis
Aspect-Based Sentiment Analysis (ABSA)
no code implementations • 13 Mar 2018 • Torsten Kilias, Alexander Löser, Felix A. Gers, Richard Koopmanschap, Ying Zhang, Martin Kersten
We present a novel architecture, In-Database Entity Linking (IDEL), in which we integrate the analytics-optimized RDBMS MonetDB with neural text mining abilities.
no code implementations • WS 2017 • Rudolf Schneider, Tom Oberhauser, Tobias Klatt, Felix A. Gers, Alexander Löser
We report results on benchmarking Open Information Extraction (OIE) systems using RelVis, a toolkit for benchmarking Open Information Extraction systems.
1 code implementation • 24 Aug 2016 • Sebastian Arnold, Felix A. Gers, Torsten Kilias, Alexander Löser
We propose a generic and robust approach for high-recall named entity recognition.