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All publications by Xi Chen
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Optimal PAC Multiple Arm Identification with Applications to Crowdsourcing
Yuan Zhou, Xi Chen and Jian Li
Proceedings of the 31st International Conference on Machine Learning (ICML-14), 2014


Spectral Methods meet EM: A Provably Optimal Algorithm for Crowdsourcing
Yuchen Zhang, Xi Chen, Dengyong Zhou and Michael I. Jordan
Advances in Neural Information Processing Systems 27, 2014


Optimistic Knowledge Gradient Policy for Optimal Budget Allocation in Crowdsourcing
Xi Chen, Qihang Lin and Dengyong Zhou
Proceedings of the 30th International Conference on Machine Learning (ICML-13), 2013


Variance Reduction for Stochastic Gradient Optimization
Chong Wang, Xi Chen, Alex Smola and Eric Xing
Advances in Neural Information Processing Systems 26, 2013


Clustering by Nonnegative Matrix Factorization Using Graph Random Walk
Zhirong Yang, Tele Hao, Onur Dikmen, Xi Chen and Erkki Oja
Advances in Neural Information Processing Systems 25, 2012


Optimal Regularized Dual Averaging Methods for Stochastic Optimization
Xi Chen, Qihang Lin and Javier Pena
Advances in Neural Information Processing Systems 25, 2012


Group Sparse Additive Models
Junming Yin, Xi Chen and Eric P. Xing
Proceedings of the 29th International Conference on Machine Learning (ICML-12), 2012


Structured Sparse Canonical Correlation Analysis
Xi Chen, Han Liu and Jaime G. Carbonell
Proceedings of the Fifteenth International Conference on Artificial Intelligence and Statistics (AISTATS-12), 2012


Graph-Valued Regression
Han Liu, Xi Chen, Larry Wasserman and John D. Lafferty
Advances in Neural Information Processing Systems 23, 2010


Multivariate Dyadic Regression Trees for Sparse Learning Problems
Han Liu and Xi Chen
Advances in Neural Information Processing Systems 23, 2010


Nonparametric Greedy Algorithms for the Sparse Learning Problem
Han Liu and Xi Chen
Advances in Neural Information Processing Systems 22, 2009