activity
20242026
collaborators

8 papers

cs.LG2026

Cost-Optimal LLM Routing with Limited User Feedback under User Satisfaction Guarantees

Herbert Woisetschläger, Arastun Mammadli, Ryan Zhang +1

Inference costs for large language model (LLM) applications are rapidly growing, driven by surging demand and rising infrastructure cost. Users expect high-quality responses, and i…

cs.AI2026

Position: Let's Develop Data Probes to Fundamentally Understand How Data Affects LLM Performance

Shiqiang Wang, Herbert Woisetschläger, Hans Arno Jacobsen +1

Data is fundamental to large language models (LLMs). However, understanding of what makes certain data useful for different stages of an LLM workflow, including training, tuning, a…

cs.AI2026

Agentic Performance at the Edge: Insights from Benchmarking

Shiqiang Wang, Herbert Woisetschläger

Agentic artificial intelligence (AI) is a natural fit for Internet of Things (IoT) and edge systems, but edge deployments are often constrained to models around 8 billion parameter…

cs.LG2025

MAR-FL: A Communication Efficient Peer-to-Peer Federated Learning System

Felix Mulitze, Herbert Woisetschläger, Hans Arno Jacobsen

The convergence of next-generation wireless systems and distributed Machine Learning (ML) demands Federated Learning (FL) methods that remain efficient and robust with wireless con…

cs.LG2025

MESS+: Dynamically Learned Inference-Time LLM Routing in Model Zoos with Service Level Guarantees

Herbert Woisetschläger, Ryan Zhang, Shiqiang Wang +1

Open-weight large language model (LLM) zoos provide access to numerous high-quality models, but selecting the appropriate model for specific tasks remains challenging and requires…

cs.LG2025

Dynamic Loss-Based Sample Reweighting for Improved Large Language Model Pretraining

Daouda Sow, Herbert Woisetschläger, Saikiran Bulusu +3

Pretraining large language models (LLMs) on vast and heterogeneous datasets is crucial for achieving state-of-the-art performance across diverse downstream tasks. However, current…