collaborators

5 papers

cs.CR2026

Towards Reliable Local Security Agents: Verifiable Post-Training for Linux Privilege Escalation

Philipp Normann, Andreas Happe, Jürgen Cito +1

LLM agents are becoming increasingly important in the security domain, but leading systems are often closed-source, cloud-based, hard to reproduce or use with sensitive code. This…

cs.CR2025

Chasing Shadows: Pitfalls in LLM Security Research

Jonathan Evertz, Niklas Risse, Nicolai Neuer +12

Large language models (LLMs) are increasingly prevalent in security research. Their unique characteristics, however, introduce challenges that undermine established paradigms of re…

cs.IR2025

Identifying Offline Metrics that Predict Online Impact: A Pragmatic Strategy for Real-World Recommender Systems

Timo Wilm, Philipp Normann

A critical challenge in recommender systems is to establish reliable relationships between offline and online metrics that predict real-world performance. Motivated by recent advan…

cs.IR2025

Pareto Front Approximation for Multi-Objective Session-Based Recommender Systems

Timo Wilm, Philipp Normann, Felix Stepprath

This work introduces MultiTRON, an approach that adapts Pareto front approximation techniques to multi-objective session-based recommender systems using a transformer neural networ…

cs.IR2025

Scaling Session-Based Transformer Recommendations using Optimized Negative Sampling and Loss Functions

Timo Wilm, Philipp Normann, Sophie Baumeister +1

This work introduces TRON, a scalable session-based Transformer Recommender using Optimized Negative-sampling. Motivated by the scalability and performance limitations of prevailin…