collaborators

9 papers

cs.CL2026

Domain-Adaptation through Synthetic Data: Fine-Tuning Large Language Models for German Law

Ali Hamza Bashir, Muhammad Rehan Khalid, Kostadin Cvejoski +7

Large language models (LLMs) often struggle in specialized domains such as legal reasoning due to limited expert knowledge, resulting in factually incorrect outputs or hallucinatio…

cs.AI2026

Benchmark Success, Clinical Failure: When Reinforcement Learning Optimizes for Benchmarks, Not Patients

Armin Berger, Manuela Bergau, Helen Schneider +7

Recent Reinforcement Learning (RL) advances for Large Language Models (LLMs) have improved reasoning tasks, yet their resource-constrained application to medical imaging remains un…

cs.LG2025

History Rhymes: Macro-Contextual Retrieval for Robust Financial Forecasting

Sarthak Khanna, Armin Berger, Muskaan Chopra +2

Financial markets are inherently non-stationary: structural breaks and macroeconomic regime shifts often cause forecasting models to fail when deployed out of distribution (OOD). C…

cs.CV2025

From Retinal Pixels to Patients: Evolution of Deep Learning Research in Diabetic Retinopathy Screening

Muskaan Chopra, Lorenz Sparrenberg, Armin Berger +3

Diabetic Retinopathy (DR) remains a leading cause of preventable blindness, with early detection critical for reducing vision loss worldwide. Over the past decade, deep learning ha…

cs.CL2025

Multi-Modal Vision vs. Text-Based Parsing: Benchmarking LLM Strategies for Invoice Processing

David Berghaus, Armin Berger, Lars Hillebrand +2

This paper benchmarks eight multi-modal large language models from three families (GPT-5, Gemini 2.5, and open-source Gemma 3) on three diverse openly available invoice document da…

cs.CL2025

A Survey on Current Trends and Recent Advances in Text Anonymization

Tobias Deußer, Lorenz Sparrenberg, Armin Berger +3

The proliferation of textual data containing sensitive personal information across various domains requires robust anonymization techniques to protect privacy and comply with regul…