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Neural network has attracted great attention for a long time and many researchers are devoted to improve the effectiveness of neural network training algorithms. Though stochastic gradient descent (SGD) and other explicit gradient-based…

最优化与控制 · 数学 2020-02-11 Ren Liu , Xiaoqun Zhang

The Generalized Additive Model (GAM) is a powerful tool and has been well studied. This model class helps to identify additive regression structure. Via available test procedures one may identify the regression structure even sharper if…

统计方法学 · 统计学 2020-09-11 Rong Liu , Wolfgang Karl Härdle

Gradient matching is a promising tool for learning parameters and state dynamics of ordinary differential equations. It is a grid free inference approach, which, for fully observable systems is at times competitive with numerical…

机器学习 · 统计学 2018-04-11 Nico S. Gorbach , Stefan Bauer , Joachim M. Buhmann

Pre-trained language models (PLMs) have made significant advances in natural language inference (NLI) tasks, however their sensitivity to textual perturbations and dependence on large datasets indicate an over-reliance on shallow…

机器学习 · 计算机科学 2025-02-14 Mingyue Liu , Ryo Ueda , Zhen Wan , Katsumi Inoue , Chris G. Willcocks

Gaussian Process (GP) models are a powerful tool in probabilistic machine learning with a solid theoretical foundation. Thanks to current advances, modeling complex data with GPs is becoming increasingly feasible, which makes them an…

机器学习 · 计算机科学 2025-03-04 Sarem Seitz

The Gaussian process latent variable model (GP-LVM) provides a flexible approach for non-linear dimensionality reduction that has been widely applied. However, the current approach for training GP-LVMs is based on maximum likelihood, where…

机器学习 · 统计学 2014-09-09 Andreas C. Damianou , Michalis K. Titsias , Neil D. Lawrence

Large language models (LLMs) demonstrate strong reasoning abilities in solving complex real-world problems. Yet, the internal mechanisms driving these complex reasoning behaviors remain opaque. Existing interpretability approaches targeting…

人工智能 · 计算机科学 2026-02-04 Changming Li , Kaixing Zhang , Haoyun Xu , Yingdong Shi , Zheng Zhang , Kaitao Song , Kan Ren

Modeling the temporal behavior of data is of primordial importance in many scientific and engineering fields. Baseline methods assume that both the dynamic and observation equations follow linear-Gaussian models. However, there are many…

机器学习 · 计算机科学 2020-11-03 Xavier Alameda-Pineda , Vincent Drouard , Radu Horaud

Whether navigating a building, operating a robot, or playing a game, an agent that acts effectively in an environment must first learn an internal model of how that environment works. Partially-observable Markov decision processes (POMDPs)…

We propose Dynamically Pruned Message Passing Networks (DPMPN) for large-scale knowledge graph reasoning. In contrast to existing models, embedding-based or path-based, we learn an input-dependent subgraph to explicitly model reasoning…

人工智能 · 计算机科学 2020-04-09 Xiaoran Xu , Wei Feng , Yunsheng Jiang , Xiaohui Xie , Zhiqing Sun , Zhi-Hong Deng

Brain networks has attracted the interests of many neuroscientists. From functional MRI (fMRI) data, statistical tools have been developed to recover brain networks. However, the dimensionality of whole-brain fMRI, usually in hundreds of…

统计方法学 · 统计学 2014-04-08 Xi Luo

Inference tasks in signal processing are often characterized by the availability of reliable statistical modeling with some missing instance-specific parameters. One conventional approach uses data to estimate these missing parameters and…

信号处理 · 电气工程与系统科学 2023-04-25 Nir Shlezinger , Tirza Routtenberg

A full parametric and linear specification may be insufficient to capture complicated patterns in studies exploring complex features, such as those investigating age-related changes in brain functional abilities. Alternatively, a partially…

统计方法学 · 统计学 2024-02-07 Jia Liang , Shuo Chen , Peter Kochunov , L Elliot Hong , Chixiang Chen

Generalized linear models (GLMs) -- such as logistic regression, Poisson regression, and robust regression -- provide interpretable models for diverse data types. Probabilistic approaches, particularly Bayesian ones, allow coherent…

统计计算 · 统计学 2018-12-19 Jonathan H. Huggins , Ryan P. Adams , Tamara Broderick

The proliferation of computing devices has brought about an opportunity to deploy machine learning models on new problem domains using previously inaccessible data. Traditional algorithms for training such models often require data to be…

LLM-based (Large Language Model) GUI (Graphical User Interface) agents can potentially reshape our daily lives significantly. However, current LLM-based GUI agents suffer from the scarcity of high-quality training data owing to the…

人工智能 · 计算机科学 2025-05-26 Danyang Zhang , Situo Zhang , Ziyue Yang , Zichen Zhu , Zihan Zhao , Ruisheng Cao , Lu Chen , Kai Yu

Signal retrieval from a series of indirect measurements is a common task in many imaging, metrology and characterization platforms in science and engineering. Because most of the indirect measurement processes are well-described by physical…

图像与视频处理 · 电气工程与系统科学 2020-08-24 Zheyuan Zhu , Yangyang Sun , Johnathon White , Zenghu Chang , Shuo Pang

Partial-label learning is a popular weakly supervised learning setting that allows each training example to be annotated with a set of candidate labels. Previous studies on partial-label learning only focused on the classification setting…

机器学习 · 计算机科学 2023-06-16 Xin Cheng , Deng-Bao Wang , Lei Feng , Min-Ling Zhang , Bo An

The combination of inducing point methods with stochastic variational inference has enabled approximate Gaussian Process (GP) inference on large datasets. Unfortunately, the resulting predictive distributions often exhibit substantially…

机器学习 · 统计学 2020-12-29 Martin Jankowiak , Geoff Pleiss , Jacob R. Gardner

Stochastic gradient MCMC methods, such as stochastic gradient Langevin dynamics (SGLD), employ fast but noisy gradient estimates to enable large-scale posterior sampling. Although we can easily extend SGLD to distributed settings, it…

机器学习 · 统计学 2021-06-16 Khaoula El Mekkaoui , Diego Mesquita , Paul Blomstedt , Samuel Kaski