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Rémi Khellaf

2 accepted papers

2026

Federated Causal Inference on Multi-Site Observational Data via Propensity Score Aggregation

ICML 2026poster

Causal inference typically assumes centralized access to individual-level data. Yet, in practice, data are often decentralized across multiple sites, making centralization infeasible due to privacy, logistical, or legal constraints. We address this problem by estimating the Average Treatment Effect …

Cited by 0SourceScholar
2025

Federated Causal Inference: Multi-Study ATE Estimation beyond Meta-Analysis

AISTATS 2025poster

We study Federated Causal Inference, an approach to estimate treatment effects from decentralized data across centers. We compare three classes of Average Treatment Effect (ATE) estimators derived from the Plug-in G-Formula, ranging from simple meta-analysis to one-shot and multi-shot federated lear…

Cited by 0SourceScholar