Transformer-Based Analysis of Sentiment Towards German Political Parties on Twitter During the 2021 Election Year. - Nils Constantin Hellwig; Markus Bink; Thomas Schmidt 011; Jakob Fehle; Christian Wolff 001 (ICNLSP, 2023)

GERestaurant: A German Dataset of Annotated Restaurant Reviews for Aspect-Based Sentiment Analysis. - Nils Constantin Hellwig; Jakob Fehle; Markus Bink; Christian Wolff 001 (KONVENS, 2024)

Exploring Twitter discourse with BERTopic: topic modeling of tweets related to the major German parties during the 2021 German federal election. - Nils Constantin Hellwig; Jakob Fehle; Markus Bink; Thomas Schmidt 011; Christian Wolff 001 (Int. J. Speech Technol., 2024)

Exploring large language models for the generation of synthetic training samples for aspect-based sentiment analysis in low resource settings. - Nils Constantin Hellwig; Jakob Fehle; Christian Wolff 001 (Expert Syst. Appl., 2025)

Do we still need Human Annotators? Prompting Large Language Models for Aspect Sentiment Quad Prediction. - Nils Constantin Hellwig; Jakob Fehle; Udo Kruschwitz; Christian Wolff 001 (CoRR, 2025)