no code implementations • 13 Feb 2024 • Joshua C Chang, Xiangting Li, Shixin Xu, Hao-Ren Yao, Julia Porcino, Carson Chow
We introduce a set of gradient-flow-guided adaptive importance sampling (IS) transformations to stabilize Monte-Carlo approximations of point-wise leave one out cross-validated (LOO) predictions for Bayesian classification models.
1 code implementation • 8 Oct 2023 • Jiaqi Luo, Yuedong Quan, Shixin Xu
This research heralds a paradigm shift in machine learning, paving the way for a new era of robust and precise classification across diverse real-world applications.
no code implementations • 23 Jul 2023 • Jiaqi Luo, Shixin Xu
Deep learning models have become popular in the analysis of tabular data, as they address the limitations of decision trees and enable valuable applications like semi-supervised learning, online learning, and transfer learning.
1 code implementation • 28 Sep 2022 • Jiaqi Luo, Zihao Wei, Junkai Man, Shixin Xu
Gradient Boosting Machines (GBMs) have demonstrated remarkable success in solving diverse problems by utilizing Taylor expansions in functional space.
no code implementations • 29 Jul 2021 • Jing Ma, Yiyang Sun, Junjie Liu, Huaxiong Huang, Xiaoshuang Zhou, Shixin Xu
The experimental results showed that the QIDNN model with 7 interactive features achieve the state-of-art accuracy $83. 25\%$.
no code implementations • 29 May 2021 • Junjie Liu, Yiyang Sun, Jing Ma, Jiachen Tu, Yuhui Deng, Ping He, Huaxiong Huang, Xiaoshuang Zhou, Shixin Xu
Evaluation of the risk of getting stroke is important for the prevention and treatment of stroke in China.
no code implementations • 11 Mar 2021 • Yuzhe Qin, Huaxiong Huang, Yi Zhu, Chun Liu, Shixin Xu
Numerical simulations first illustrate the consistency of theoretical results on the sharp interface limit.
Numerical Analysis Numerical Analysis 76Z99, 92B05, 76R50
no code implementations • 10 Dec 2020 • Lingyue Shen, Zhiliang Xu, Ping Lin, Huaxiong Huang, Shixin Xu
A thermodynamically consistent phase-field model is introduced for simulating motion and shape transformation of vesicles under flow conditions.
Numerical Analysis Numerical Analysis 76T06 92B05 35Q92
1 code implementation • 8 Sep 2020 • Yihao Hu, Tong Zhao, Shixin Xu, Zhiliang Xu, Lizhen Lin
Partial differential equations (PDEs) play a crucial role in studying a vast number of problems in science and engineering.