collaborators

5 papers

cs.CL2026

Limitations of Automated Simulatability: LLM Simulators Can Bypass Explanations

Antonin Poché, Fanny Jourdan, Nils Feldhus +6

Simulatability is an evaluation protocol for explanations that quantifies their usefulness by how well they help a user predict a task model's outputs. Since human evaluation is co…

cs.CL2026

Revisiting Anisotropy in Language Transformers: The Geometry of Learning Dynamics

Raphael Bernas, Fanny Jourdan, Antonin Poché +1

Since their introduction, Transformer architectures have dominated Natural Language Processing (NLP). However, recent research has highlighted an inherent anisotropy phenomenon in…

cs.AI2026

Exploring Plan Space through Conversation: An Agentic Framework for LLM-Mediated Explanations in Planning

Guilhem Fouilhé, Rebecca Eifler, Antonin Poché +2

When automating plan generation for a real-world sequential decision problem, the goal is often not to replace the human planner, but to facilitate an iterative reasoning and elici…

cs.CL2025

Interpreto: An Explainability Library for Transformers

Antonin Poché, Thomas Mullor, Gabriele Sarti +8

Interpreto is an open-source Python library for interpreting HuggingFace language models, from early BERT variants to LLMs. It provides two complementary families of methods: attri…

cs.CL2025

ConSim: Measuring Concept-Based Explanations' Effectiveness with Automated Simulatability

Antonin Poché, Alon Jacovi, Agustin Martin Picard +2

Concept-based explanations work by mapping complex model computations to human-understandable concepts. Evaluating such explanations is very difficult, as it includes not only the…