Search Results for author: Ruiyang Song

Found 4 papers, 0 papers with code

Hierarchical Causal Bandit

no code implementations7 Mar 2021 Ruiyang Song, Stefano Rini, Kuang Xu

Causal bandit is a nascent learning model where an agent sequentially experiments in a causal network of variables, in order to identify the reward-maximizing intervention.

Sequential Information Guided Sensing

no code implementations1 Sep 2015 Ruiyang Song, Yao Xie, Sebastian Pokutta

We study the value of information in sequential compressed sensing by characterizing the performance of sequential information guided sensing in practical scenarios when information is inaccurate.

Online Supervised Subspace Tracking

no code implementations1 Sep 2015 Yao Xie, Ruiyang Song, Hanjun Dai, Qingbin Li, Le Song

The optimization problem for OSDR is non-convex and hard to analyze in general; we provide convergence analysis of OSDR in a simple linear regression setting.

Dimensionality Reduction regression +2

Sequential Sensing with Model Mismatch

no code implementations26 Jan 2015 Ruiyang Song, Yao Xie, Sebastian Pokutta

We characterize the performance of sequential information guided sensing, Info-Greedy Sensing, when there is a mismatch between the true signal model and the assumed model, which may be a sample estimate.

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