Search Results for author: Keertana Chidambaram

Found 2 papers, 1 papers with code

Direct Preference Optimization With Unobserved Preference Heterogeneity

no code implementations23 May 2024 Keertana Chidambaram, Karthik Vinay Seetharaman, Vasilis Syrgkanis

We then introduce a min-max regret ensemble learning model to produce a single generative method to minimize worst-case regret among annotator subgroups with similar latent factors.

Sequential Decision Making with Expert Demonstrations under Unobserved Heterogeneity

1 code implementation10 Apr 2024 Vahid Balazadeh, Keertana Chidambaram, Viet Nguyen, Rahul G. Krishnan, Vasilis Syrgkanis

We study the problem of online sequential decision-making given auxiliary demonstrations from experts who made their decisions based on unobserved contextual information.

Decision Making Meta Reinforcement Learning +3

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