Olivier Jeunen
2 indexed papers
Recent (6 mo)
2With code
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226
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ML×2Info Retrieval×2Stats Method.×1Stats ML×1
Research Timeline
2026
Distributional Approximate Nearest Neighbour Search for Uncertainty-Aware Retrieval
The paper proposes DINOSAUR, a framework that incorporates embedding uncertainty into Approximate Nearest Neighbour search to improve retrieval for niche, long-tail content.
Accelerating A/B-Tests with Counterfactual Estimation: Reducing Variance through Policy Overlap
Proposed a novel experimental protocol for online controlled experiments to reduce variance and improve statistical power by exploiting policy overlap and using $Δ$-Off-Policy Estimation methods.
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Papers
cs.LGcs.IRstat.METheoreticalRecentJul 16, 2026
Accelerating A/B-Tests with Counterfactual Estimation: Reducing Variance through Policy Overlap
Proposed a novel experimental protocol for online controlled experiments to reduce variance and improve statistical power by exploiting policy overlap and using $Δ$-Off-Policy Estimation methods.
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cs.IRcs.LGstat.MLRecent