collaborators

16 papers

cs.SE2026

From Failing to Passing: Evolving Natural Language Prompt Optimization Rules for LLM Code Generation

Amal Akli, Melissa Akli, Cedric Richter +2

Large language models are known to be sensitive to prompt formulation. Even minor variations in wording can substantially degrade performance. This sensitivity reveals an opportuni…

cs.AI2026

CSPO: Constraint-Sensitive Policy Optimization for Safe Reinforcement Learning

Ayoub Belouadah, Sylvain Kubler, Yves Le Traon

Safe reinforcement learning (Safe RL) aims to maximize expected return while satisfying safety constraints, typically modeled as Constrained Markov Decision Processes (CMDPs). Whil…

cs.LG2026

Optimized Federated Knowledge Distillation with Distributed Neural Architecture Search

Chaimaa Medjadji, Sylvain Kubler, Yves Le Traon +3

Federated Learning (FL) enables collaborative model training without centralizing data. However, real-world deployments must simultaneously address statistical heterogeneity across…

cs.LG2026

Federated Imputation under Heterogeneous Feature Spaces

Imane Hocine, Chaimaa Medjadji, Sylvain Kubler +2

Federated Learning (FL) enables collaborative training across decentralized clients, but most methods assume aligned feature schemas, an assumption that rarely holds in tabular set…

cs.LG2026

Centralized vs Decentralized Federated Learning: A trade-off performance analysis

Chaimaa Medjadji, Guilain Leduc, Sylvain Kubler +1

Federated Learning (FL) has emerged as a promising paradigm for collaborative model training across distributed edge devices while preserving data privacy especially with the huge…

cs.CL2026

From Flat Language Labels to Typological Priors: Structured Language Conditioning for Multilingual Speech-to-Speech Translation

Yu Pan, Yang Hou, Xiongfei Wu +4

Compositional speech-to-speech translation (S2ST) systems built upon speech large language models (SpeechLLMs) have recently shown promising performance. However, existing S2ST sys…