| Scalable and efficient training of large convolutional neural networks with differential privacy Z Bu, J Mao, S Xu Advances in Neural Information Processing Systems 35, 38305-38318, 2022 | 60 | 2022 |
| Sparse neural additive model: Interpretable deep learning with feature selection via group sparsity S Xu, Z Bu, P Chaudhari, IJ Barnett Joint European Conference on Machine Learning and Knowledge Discovery in …, 2023 | 21 | 2023 |
| A Dynamical View on Optimization Algorithms of Overparameterized Neural Networks Z Bu, S Xu, K Chen AISTATS 2021; arXiv preprint arXiv:2010.13165, 2020 | 15 | 2020 |
| Generalized AIC method based on higher-order moments and entropy of financial time series S Xu, M Shao, W Qiao, P Shang Physica A: Statistical Mechanics and its Applications 505, 1127-1138, 2018 | 8 | 2018 |
| Gradient descent with generalized Newton's method Z Bu, S Xu ICLR, 2025 | 2* | 2025 |
| Asymptotic Statistical Analysis of Sparse Group LASSO via Approximate Message Passing K Chen, Z Bu, S Xu Joint European Conference on Machine Learning and Knowledge Discovery in …, 2021 | 2* | 2021 |
| Mobility-Based Smartphone Digital Phenotypes for Unobtrusively Capturing Everyday Cognition, Mood, and Community Life-Space in Older Adults: Feasibility, Acceptability, and … K Hackett, S Xu, M McKniff, L Paglia, I Barnett, T Giovannetti JMIR Human Factors 11, e59974, 2024 | 1 | 2024 |
| DebiNet: Debiasing Linear Models with Nonlinear Overparameterized Neural Networks S Xu AISTATS 2021; arXiv preprint arXiv:2011.00417, 2020 | 1 | 2020 |
| A Hessian-informed hyperparameter optimization for differential learning rate S Xu, Z Bu, Y Zhang, I Barnett arXiv preprint arXiv:2501.06954, 2025 | | 2025 |
| Accelerated Deep Active Learning with Graph-based Sub-Sampling D Kushnir, S Xu Transactions on Machine Learning Research, 2024 | | 2024 |
| Exploring the differential impact of sociodemographic and extrinsic factors on mobility-based digital phenotypes versus standard cognitive tests among older adults K Hackett, S Xu, M McKniff, I Barnett, T Giovannetti Alzheimer's Association International Conference, 2024 | | 2024 |
| Comparing the utility of mean versus intraindividual variability metrics in the relationship between mobility-based digital phenotypes and cognition K Hackett, S Xu, M McKniff, I Barnett, T Giovannetti Alzheimer's Association International Conference, 2024 | | 2024 |
| 3 Smartphone Digital Phenotyping for Unobtrusive and Continuous Assessment of Everyday Cognition and Movement Trajectories in Older Adults K Hackett, S Xu, M McKniff, E Pinsky, S Holmqvist, G Vallecorsa, I Barnett, ... Journal of the International Neuropsychological Society 29 (s1), 207-208, 2023 | | 2023 |
Zhiqi BuAmazon AGIVerified email at sas.upenn.edu