Search Results for author: Jayden Ooi

Found 6 papers, 1 papers with code

Towards Content Provider Aware Recommender Systems: A Simulation Study on the Interplay between User and Provider Utilities

no code implementations6 May 2021 Ruohan Zhan, Konstantina Christakopoulou, Ya Le, Jayden Ooi, Martin Mladenov, Alex Beutel, Craig Boutilier, Ed H. Chi, Minmin Chen

We then build a REINFORCE recommender agent, coined EcoAgent, to optimize a joint objective of user utility and the counterfactual utility lift of the provider associated with the recommended content, which we show to be equivalent to maximizing overall user utility and the utilities of all providers on the platform under some mild assumptions.

counterfactual Recommendation Systems

BRPO: Batch Residual Policy Optimization

no code implementations8 Feb 2020 Sungryull Sohn, Yin-Lam Chow, Jayden Ooi, Ofir Nachum, Honglak Lee, Ed Chi, Craig Boutilier

In batch reinforcement learning (RL), one often constrains a learned policy to be close to the behavior (data-generating) policy, e. g., by constraining the learned action distribution to differ from the behavior policy by some maximum degree that is the same at each state.

reinforcement-learning Reinforcement Learning (RL)

Advantage Amplification in Slowly Evolving Latent-State Environments

no code implementations29 May 2019 Martin Mladenov, Ofer Meshi, Jayden Ooi, Dale Schuurmans, Craig Boutilier

Latent-state environments with long horizons, such as those faced by recommender systems, pose significant challenges for reinforcement learning (RL).

Recommendation Systems reinforcement-learning +1

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