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The chain graph model admits both undirected and directed edges in one graph, where symmetric conditional dependencies are encoded via undirected edges and asymmetric causal relations are encoded via directed edges. Though frequently…

统计方法学 · 统计学 2024-01-29 Ruixuan Zhao , Haoran Zhang , Junhui Wang

Recent advances in autoregressive (AR) models have demonstrated their potential to rival diffusion models in image synthesis. However, for complex spatially-conditioned generation, current AR approaches rely on fine-tuning the pre-trained…

计算机视觉与模式识别 · 计算机科学 2025-10-08 Jiaqi Liu , Tao Huang , Chang Xu

We propose an empirical Bayes formulation of the structure learning problem, where the prior specification assumes that all node variables have the same error variance, an assumption known to ensure the identifiability of the underlying…

统计计算 · 统计学 2023-08-17 Hyunwoong Chang , James Cai , Quan Zhou

Customers of machine learning systems demand accountability from the companies employing these algorithms for various prediction tasks. Accountability requires understanding of system limit and condition of erroneous predictions, as…

机器学习 · 计算机科学 2021-05-12 Amita Misra , Zhe Liu , Jalal Mahmud

A reasonable node selection criterion (NSC) is crucial for the network reduction in power systems. In contrast to the previous works that only consider structure property, this paper proposes a comprehensive and quantitative NSC considering…

系统与控制 · 电气工程与系统科学 2020-12-29 Bin Huang , Jiayong Li , Jianhui Wang

Imprecise continuous-time Markov chains are a robust type of continuous-time Markov chains that allow for partially specified time-dependent parameters. Computing inferences for them requires the solution of a non-linear differential…

概率论 · 数学 2018-10-11 Alexander Erreygers , Jasper De Bock

Automatic modulation classification (AMC) plays a critical role in wireless communications by autonomously classifying signals transmitted over the radio spectrum. Deep learning (DL) techniques are increasingly being used for AMC due to…

网络与互联网体系结构 · 计算机科学 2023-11-10 Elsayed Mohammed , Omar Mashaal , Hatem Abou-Zeid

In this paper, we consider stochastic versions of three classical growth models given by ordinary differential equations (ODEs). Indeed we use stochastic versions of Von Bertalanffy, Gompertz, and Logistic differential equations as models.…

应用统计 · 统计学 2023-12-22 F. Baltazar-Larios , F. J. Delgado-Vences , A. Ornelas Vargas

In this paper, we propose a comprehensive study of second-order consistencies (i.e., consistencies identifying inconsistent pairs of values) for constraint satisfaction. We build a full picture of the relationships existing between four…

人工智能 · 计算机科学 2014-01-17 Christophe Lecoutre , Stephane Cardon , Julien Vion

Markov Chain Monte Carlo (MCMC) algorithms are often used for approximate inference inside learning, but their slow mixing can be difficult to diagnose and the approximations can seriously degrade learning. To alleviate these issues, we…

机器学习 · 计算机科学 2015-02-25 Jacob Steinhardt , Percy Liang

Bayesian networks are probabilistic graphical models widely employed to understand dependencies in high dimensional data, and even to facilitate causal discovery. Learning the underlying network structure, which is encoded as a directed…

机器学习 · 统计学 2022-02-03 Jack Kuipers , Polina Suter , Giusi Moffa

In this paper, we study a tracking control problem for linear time-invariant systems, with model parametric uncertainties, under input and states constraints. We apply the idea of modular design introduced in Benosman et al. 2014, to solve…

系统与控制 · 计算机科学 2015-12-09 Anantharaman Subbaraman , Mouhacine Benosman

In network analysis, developing a unified theoretical framework that can compare methods under different models is an interesting problem. This paper proposes a partial solution to this problem. We summarize the idea of using separation…

机器学习 · 计算机科学 2022-08-24 Huan Qing

Bifurcating Markov chains (BMC) are Markov chains indexed by a full binary tree representing the evolution of a trait along a population where each individual has two children. Motivated by the functional estimation of the density of the…

统计理论 · 数学 2021-06-17 S. Valère Bitseki Penda , Jean-François Delmas

A foundational problem in reinforcement learning and interactive decision making is to understand what modeling assumptions lead to sample-efficient learning guarantees, and what algorithm design principles achieve optimal sample…

机器学习 · 计算机科学 2023-01-20 Dylan J. Foster , Noah Golowich , Yanjun Han

In many healthcare settings, intuitive decision rules for risk stratification can help effective hospital resource allocation. This paper introduces a novel variant of decision tree algorithms that produces a chain of decisions, not a…

机器学习 · 统计学 2016-06-17 Yubin Park , Joyce Ho , Joydeep Ghosh

Hyperdimensional computing (HDC) is a method to perform classification that uses binary vectors with high dimensions and the majority rule. This approach has the potential to be energy-efficient and hence deemed suitable for…

机器学习 · 计算机科学 2023-10-13 Zhanglu Yan , Shida Wang , Kaiwen Tang , Weng-Fai Wong

Unmeasured covariates constitute one of the important problems in causal inference. Even if there are some unmeasured covariates, some instrumental variable methods such as a two-stage residual inclusion (2SRI) estimator, or a…

统计方法学 · 统计学 2021-12-30 Shunichiro Orihara

Most of the existing classification methods are aimed at minimization of empirical risk (through some simple point-based error measured with loss function) with added regularization. We propose to approach this problem in a more information…

机器学习 · 计算机科学 2015-01-22 Wojciech Marian Czarnecki , Jacek Tabor

Point estimation is a fundamental statistical task. Given the wide selection of available point estimators, it is unclear, however, what, if any, would be universally-agreed theoretical reasons to generally prefer one such estimator over…

统计理论 · 数学 2024-06-05 Michael Brand