activity
20172021
most citedLearning Contextualized Document Representations for Healthcare Answer Retrieval

12 citations · 21 across the 5 of their papers we have counts for

collaborators

10 papers

cs.IR20212 cited

Self-supervised Answer Retrieval on Clinical Notes

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. We approach this challenge specifically in…

cs.CL20202 cited

VisBERT: Hidden-State Visualizations for Transformers

Betty van Aken, Benjamin Winter, Alexander Löser +1

Explainability and interpretability are two important concepts, the absence of which can and should impede the application of well-performing neural networks to real-world problems…

cs.CL202012 cited

Learning Contextualized Document Representations for Healthcare Answer Retrieval

Sebastian Arnold, Betty van Aken, Paul Grundmann +2

We present Contextual Discourse Vectors (CDV), a distributed document representation for efficient answer retrieval from long healthcare documents. Our approach is based on structu…

cs.CL2019

How Does BERT Answer Questions? A Layer-Wise Analysis of Transformer Representations

Betty van Aken, Benjamin Winter, Alexander Löser +1

Bidirectional Encoder Representations from Transformers (BERT) reach state-of-the-art results in a variety of Natural Language Processing tasks. However, understanding of their int…

cs.CL2019

SECTOR: A Neural Model for Coherent Topic Segmentation and Classification

Sebastian Arnold, Rudolf Schneider, Philippe Cudré-Mauroux +2

When searching for information, a human reader first glances over a document, spots relevant sections and then focuses on a few sentences for resolving her intention. However, the…

cs.CL2018

Challenges for Toxic Comment Classification: An In-Depth Error Analysis

Betty van Aken, Julian Risch, Ralf Krestel +1

Toxic comment classification has become an active research field with many recently proposed approaches. However, while these approaches address some of the task's challenges other…