1 citations · 1 across the 1 of their papers we have counts for
3 papers
stat.ML2026★ 1 cited
Group-Sparse Matrix Factorization for Transfer Learning of Word Embeddings
Kan Xu, Xuanyi Zhao, Hamsa Bastani +1
Unstructured text provides decision-makers with a rich data source in many domains, ranging from product reviews in retail to nursing notes in healthcare. To leverage this informat…
cs.LG2026
Adaptive Combinatorial Experimental Design: Pareto Optimality for Decision-Making and Inference
Hongrui Xie, Junyu Cao, Kan Xu
In this paper, we provide the first investigation into adaptive combinatorial experimental design, focusing on the trade-off between regret minimization and statistical power in co…
stat.ML2024
Optimal Multitask Linear Regression and Contextual Bandits under Sparse Heterogeneity
Xinmeng Huang, Kan Xu, Donghwan Lee +3
Large and complex datasets are often collected from several, possibly heterogeneous sources. Multitask learning methods improve efficiency by leveraging commonalities across datase…