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 Bayesian Learning



Probabilistic Inference in Reinforcement Learning Done Right Jean T arbouriech Google DeepMind

Neural Information Processing Systems

A popular perspective in Reinforcement learning (RL) casts the problem as probabilistic inference on a graphical model of the Markov decision process (MDP). The core object of study is the probability of each state-action pair being visited under the optimal policy.


Mitigating Source Bias for Fairer Weak Supervision

Neural Information Processing Systems

Theoretically, we show that it is possible for our approach to simultaneously improve both accuracy and fairness--in contrast to standard fairness approaches that suffer from tradeoffs. Empirically, we show that our technique improves accuracy on weak supervision baselines by as much as 32% while reducing demographic parity gap by 82.5%.



Uncovering Meanings of Embeddings via Partial Orthogonality

Neural Information Processing Systems

Machine learning tools often rely on embedding text as vectors of real numbers. In this paper, we study how the semantic structure of language is encoded in the algebraic structure of such embeddings.