Search Results for author: Liwen Ouyang

Found 3 papers, 0 papers with code

Integrating Offline Reinforcement Learning with Transformers for Sequential Recommendation

no code implementations26 Jul 2023 Xumei Xi, Yuke Zhao, Quan Liu, Liwen Ouyang, Yang Wu

To this end, we train a farsighted recommender by using an offline RL algorithm with the policy network in our model architecture that has been initialized from a pre-trained transformer model.

Offline RL reinforcement-learning +1

Maximum Mean Discrepancy for Generalization in the Presence of Distribution and Missingness Shift

no code implementations19 Nov 2021 Liwen Ouyang, Aaron Key

Covariate shifts are a common problem in predictive modeling on real-world problems.

Estimation of Corporate Greenhouse Gas Emissions via Machine Learning

no code implementations9 Sep 2021 You Han, Achintya Gopal, Liwen Ouyang, Aaron Key

By training a machine learning model on disclosed GHG emissions, we are able to estimate the emissions of other companies globally who do not disclose their emissions.

BIG-bench Machine Learning

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