activity
20242026
collaborators

5 papers

cs.CL2026

Prompt Compression via Activation Aggregation

Thibaud Ardoin, Semira Einsele, Evis Bregu +1

Large language models process prompts by propagating activations through dozens of layers before generating a response. We ask whether the task-relevant information contained in an…

cs.AI2026

LLM Self-Recognition: Steering and Retrieving Activation Signatures

Thibaud Ardoin, Jonas Schäfer, Gerhard Wunder

Recent advances in interpretability suggest that large language models (LLMs) implicitly encode signals in their generated text that enable self-recognition of their outputs. We de…

cs.LG2025

Rethinking Explanation Evaluation under the Retraining Scheme

Yi Cai, Thibaud Ardoin, Mayank Gulati +1

Feature attribution has gained prominence as a tool for explaining model decisions, yet evaluating explanation quality remains challenging due to the absence of ground-truth explan…

cs.LG2025

Tracking UWB Devices Through Radio Frequency Fingerprinting Is Possible

Thibaud Ardoin, Niklas Pauli, Benedikt Groß +3

Ultra-wideband (UWB) is a state-of-the-art technology designed for applications requiring centimeter-level localization. Its widespread adoption by smartphone manufacturer naturall…

cs.NI2024

Advancements in UWB: Paving the Way for Sovereign Data Networks in Healthcare Facilities

Khan Reaz, Thibaud Ardoin, Lea Muth +11

Ultra-Wideband (UWB) technology re-emerges as a groundbreaking ranging technology with its precise micro-location capabilities and robustness. This paper highlights the security di…