collaborators

8 papers

cs.AI2026

Safety Must Precede the Deployment of Open-Ended AI

Ivaxi Sheth, Jan Wehner, Sahar Abdelnabi +2

AI advancements have been significantly driven by a combination of foundation models and curiosity-driven learning aimed at increasing capability and adaptability. Within this land…

cs.CL2025

The Hawthorne Effect in Reasoning Models: Evaluating and Steering Test Awareness

Sahar Abdelnabi, Ahmed Salem

Reasoning-focused LLMs sometimes alter their behavior when they detect that they are being evaluated, which can lead them to optimize for test-passing performance or to comply more…

cs.LG2025

Taxonomy, Opportunities, and Challenges of Representation Engineering for Large Language Models

Jan Wehner, Sahar Abdelnabi, Daniel Tan +2

Representation Engineering (RepE) is a novel paradigm for controlling the behavior of LLMs. Unlike traditional approaches that modify inputs or fine-tune the model, RepE directly m…

cs.LG2025

Context-Aware Reasoning On Parametric Knowledge for Inferring Causal Variables

Ivaxi Sheth, Sahar Abdelnabi, Mario Fritz

Scientific discovery catalyzes human intellectual advances, driven by the cycle of hypothesis generation, experimental design, evaluation, and assumption refinement. Central to thi…

cs.CL2025

A Theory of Response Sampling in LLMs: Part Descriptive and Part Prescriptive

Sarath Sivaprasad, Pramod Kaushik, Sahar Abdelnabi +1

Large Language Models (LLMs) are increasingly utilized in autonomous decision-making, where they sample options from vast action spaces. However, the heuristics that guide this sam…

cs.CR2025

LLMail-Inject: A Dataset from a Realistic Adaptive Prompt Injection Challenge

Sahar Abdelnabi, Aideen Fay, Ahmed Salem +22

Indirect Prompt Injection attacks exploit the inherent limitation of Large Language Models (LLMs) to distinguish between instructions and data in their inputs. Despite numerous def…