collaborators

5 papers

cs.SE2025

Prompting for Performance: Exploring LLMs for Configuring Software

Helge Spieker, Théo Matricon, Nassim Belmecheri +7

Software systems usually provide numerous configuration options that can affect performance metrics such as execution time, memory usage, binary size, or bitrate. On the one hand,…

cs.LG2025

Rashomon in the Streets: Explanation Ambiguity in Scene Understanding

Helge Spieker, Jørn Eirik Betten, Arnaud Gotlieb +2

Explainable AI (XAI) is essential for validating and trusting models in safety-critical applications like autonomous driving. However, the reliability of XAI is challenged by the R…

cs.SE2025

Metamorphic Testing of Multimodal Human Trajectory Prediction

Helge Spieker, Nadjib Lazaar, Arnaud Gotlieb +1

Context: Predicting human trajectories is crucial for the safety and reliability of autonomous systems, such as automated vehicles and mobile robots. However, rigorously testing th…

cs.LG2025

Learning Graph Representation of Agent Diffusers

Youcef Djenouri, Nassim Belmecheri, Tomasz Michalak +3

Diffusion-based generative models have significantly advanced text-to-image synthesis, demonstrating impressive text comprehension and zero-shot generalization. These models refine…

cs.RO2025

Explainable Scene Understanding with Qualitative Representations and Graph Neural Networks

Nassim Belmecheri, Arnaud Gotlieb, Nadjib Lazaar +1

This paper investigates the integration of graph neural networks (GNNs) with Qualitative Explainable Graphs (QXGs) for scene understanding in automated driving. Scene understanding…