Search Results for author: Ivan Potapov

Found 2 papers, 2 papers with code

Multi-Objective Recommendation via Multivariate Policy Learning

1 code implementation3 May 2024 Olivier Jeunen, Jatin Mandav, Ivan Potapov, Nakul Agarwal, Sourabh Vaid, Wenzhe Shi, Aleksei Ustimenko

We frame this as a decision-making task, where the scalarisation weights are actions taken to maximise an overall North Star reward (e. g. long-term user retention or growth).

Decision Making Diversity +2

On (Normalised) Discounted Cumulative Gain as an Off-Policy Evaluation Metric for Top-$n$ Recommendation

1 code implementation27 Jul 2023 Olivier Jeunen, Ivan Potapov, Aleksei Ustimenko

Through a correlation analysis between off- and on-line experiments conducted on a large-scale recommendation platform, we show that our unbiased DCG estimates strongly correlate with online reward, even when some of the metric's inherent assumptions are violated.

Information Retrieval Off-policy evaluation

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