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Zai Shi

3 accepted papers

2022

A Bayesian Approach for Stochastic Continuum-armed Bandit with Long-term Constraints

AISTATS 2022poster

Despite many valuable advances in the domain of online convex optimization over the last decade, many machine learning and networking problems of interest do not fit into that framework due to their nonconvex objectives and the presence of constraints. This motivates us in this paper to go beyond co…

2021

KM-BART: Knowledge Enhanced Multimodal BART for Visual Commonsense Generation

ACL 2021long

We present Knowledge Enhanced Multimodal BART (KM-BART), which is a Transformer-based sequence-to-sequence model capable of reasoning about commonsense knowledge from multimodal inputs of images and texts. We adapt the generative BART architecture (Lewis et al., 2020) to a multimodal model with visu…