no code implementations • 27 Mar 2024 • Jialong Chen, Jimin Wang, Ji-Feng Zhang
This paper proposes a new distributed nonconvex stochastic optimization algorithm that can achieve privacy protection, communication efficiency and convergence simultaneously.
no code implementations • 4 Dec 2023 • Liping Guo, Jimin Wang, Yanlong Zhao, Ji-Feng Zhang
To show the proposed distributed filter being capable of achieving the centralized estimation accuracy, a centralized filter, serving as an extension of the standard Kalman filter in the state space to the RKHS, is developed first.
no code implementations • 18 Oct 2023 • Jimin Wang, Ji-Feng Zhang
In this paper, two-time scale stochastic approximation-type algorithms for differentially private distributed stochastic optimization with time-varying sample sizes are proposed using gradient- and output-perturbation methods.
no code implementations • 22 Dec 2022 • Jimin Wang, Jieming Ke, Ji-Feng Zhang
In order to achieve privacy protection, the variance of the added noise is allowed to be increased, and substantially different from the existing works.
1 code implementation • 27 Sep 2020 • Yingjie Hu, Jimin Wang
Social media platforms, such as Twitter, have been increasingly used by people during natural disasters to share information and request for help.
1 code implementation • 15 Jul 2020 • Jimin Wang, Yingjie Hu
In June 2019, a geoparsing competition, Toponym Resolution in Scientific Papers, was held as one of the SemEval 2019 tasks.
1 code implementation • 9 Jul 2020 • Jimin Wang, Yingjie Hu
EUPEG is an open source and Web based benchmarking platform which hosts a majority of open corpora, geoparsers, and performance metrics reported in the literature.
no code implementations • 5 Dec 2019 • Jimin Wang, Cosimo Gorini, Klaus Richter, Zhiwei Wang, Yoichi Ando, Dieter Weiss
BiSbTeSe$_2$ is a 3D topological insulator (3D-TI) with Dirac type surface states and low bulk carrier density, as donors and acceptors compensate each other.
Mesoscale and Nanoscale Physics
no code implementations • 25 Jul 2017 • Changbo Fu, Xiaopeng Zhou, Xun Chen, Yunhua Chen, Xiangyi Cui, Deqing Fang, Karl Giboni, Franco Giuliani, Ke Han, Xingtao Huang, Xiangdong Ji, Yonglin Ju, Siao Lei, Shaoli Li, Huaxuan Liu, Jianglai Liu, Yugang Ma, Yajun Mao, Xiangxiang Ren, Andi Tan, Hongwei Wang, Jimin Wang, Meng Wang, Qiuhong Wang, Siguang Wang, Xuming Wang, Zhou Wang, Shiyong Wu, Mengjiao Xiao, Pengwei Xie, Binbin Yan, Yong Yang, Jianfeng Yue, Hongguang Zhang, Tao Zhang, Li Zhao, Ning Zhou
We report new searches for the solar axions and galactic axion-like dark matter particles, using the first low-background data from PandaX-II experiment at China Jinping Underground Laboratory, corresponding to a total exposure of about $2. 7\times 10^4$ kg$\cdot$day.
High Energy Physics - Experiment Solar and Stellar Astrophysics High Energy Physics - Phenomenology