collaborators

9 papers

cs.CL2026

ValueGround: Evaluating Culture-Conditioned Visual Value Grounding in MLLMs

Zhipin Wang, Christoph Leiter, Christian Frey +3

Cultural values are expressed not only through language but also through visual scenes and everyday social practices. Yet existing evaluations of cultural values in language models…

cs.LG2026

End-to-End Compression for Tabular Foundation Models

Guri Zabërgja, Rafiq Kamel, Arlind Kadra +2

The long-standing dominance of gradient-boosted decision trees for tabular data has recently been challenged by in-context learning tabular foundation models. In-context learning m…

cs.LG2026

When is Warmstarting Effective for Scaling Language Models?

Neeratyoy Mallik, Maciej Janowski, Johannes Hog +4

Model growth from a given checkpoint aims to accelerate training of a larger model, offering potential resource savings. Despite recent interest, warmstarting has seen limited prac…

cs.LG2026

POP: Prior-Fitted First-Order Optimization Policies

Jan Kobiolka, Christian Frey, Gresa Shala +3

Gradient-based optimizers are highly sensitive to design choices in their adaptive learning rate mechanisms. To address this limitation, we introduce POP, a meta-learned Reinforcem…

cs.LG2026

Learning to Order: Task Sequencing as In-Context Optimization

Jan Kobiolka, Christian Frey, Arlind Kadra +2

Task sequencing (TS) is one of the core open problems in Deep Learning, arising in a plethora of real-world domains, from robotic assembly lines to autonomous driving. Unfortunatel…

cs.CL2025

Zhyper: Factorized Hypernetworks for Conditioned LLM Fine-Tuning

M. H. I. Abdalla, Zhipin Wang, Christian Frey +2

Large Language Model (LLM) conditioning refers to instructing an LLM to generate content in accordance with the norms and values of a specific culture, beliefs of a particular poli…