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We present a Gibbs sampler for the Dempster-Shafer (DS) approach to statistical inference for Categorical distributions. The DS framework extends the Bayesian approach, allows in particular the use of partial prior information, and yields…

统计计算 · 统计学 2021-01-25 Pierre E. Jacob , Ruobin Gong , Paul T. Edlefsen , Arthur P. Dempster

In this paper, the Dempster-Shafer method is employed as the theoretical basis for creating data classification systems. Testing is carried out using three popular (multiple attribute) benchmark datasets that have two, three and four…

机器学习 · 计算机科学 2014-09-03 Qi Chen , Amanda Whitbrook , Uwe Aickelin , Chris Roadknight

The Dempster--Shafer (DS) theory is a powerful tool for probabilistic reasoning based on a formal calculus for combining evidence. DS theory has been widely used in computer science and engineering applications, but has yet to reach the…

统计方法学 · 统计学 2010-11-04 Ryan Martin , Jianchun Zhang , Chuanhai Liu

A new method for multinomial inference is proposed by representing the cell probabilities as unordered segments on the unit interval and following Dempster-Shafer (DS) theory. The resulting DS posterior is then strengthened to improve…

统计方法学 · 统计学 2024-10-10 Earl C. Lawrence , Alexander C. Murph , Scott A. Vander Wiel , Chaunhai Liu

In this paper, we demonstrate that a new measure of evidence we developed called the Dempster-Shafer p-value which allow for insights and interpretations which retain most of the structure of the p-value while covering for some of the…

统计方法学 · 统计学 2024-02-28 Kentaro Hoffman , Kai Zhang , Tyler McCormick , Jan Hannig

Dempster-Shafer theory of imprecise probabilities has proved useful to incorporate both nonspecificity and conflict uncertainties in an inference mechanism. The traditional Bayesian approach cannot differentiate between the two, and is…

密码学与安全 · 计算机科学 2015-03-20 Sari Haj Hussein

A random set is a generalisation of a random variable, i.e. a set-valued random variable. The random set theory allows a unification of other uncertainty descriptions such as interval variable, mass belief function in Dempster-Shafer theory…

数值分析 · 数学 2018-11-27 Truong-Vinh Hoang , Hermann G. Matthies

Efficient modeling of uncertain information in real world is still an open issue. Dempster-Shafer evidence theory is one of the most commonly used methods. However, the Dempster-Shafer evidence theory has the assumption that the hypothesis…

人工智能 · 计算机科学 2014-05-14 Yong Deng

Bayesian, classical, and extended maximum likelihood approaches to estimation of upper limits in experiments with small numbers of signal events are surveyed. The discussion covers only experiments whose outcomes are well described by a…

高能物理 - 实验 · 物理学 2011-07-19 Ilya Narsky

Dempster-Shafer theory is widely applied to uncertainty modelling and knowledge reasoning due to its ability of expressing uncertain information. However, some conditions, such as exclusiveness hypothesis and completeness constraint, limit…

人工智能 · 计算机科学 2014-05-13 Xinyang Deng , Yong Deng

Valuation-based system (VBS) provides a general framework for representing knowledge and drawing inferences under uncertainty. Recent studies have shown that the semantics of VBS can represent and solve Bayesian decision problems (Shenoy,…

人工智能 · 计算机科学 2013-03-25 Hong Xu

To develop an approach to utilizing continuous statistical information within the Dempster- Shafer framework, we combine methods proposed by Strat and by Shafero We first derive continuous possibility and mass functions from…

人工智能 · 计算机科学 2013-04-12 Pascal Fua

Combining evidence from different sources can be achieved with Bayesian or Dempster-Shafer methods. The first requires an estimate of the priors and likelihoods while the second only needs an estimate of the posterior probabilities and…

机器学习 · 计算机科学 2021-04-16 Fabrice Daniel

We revisit logistic regression and its nonlinear extensions, including multilayer feedforward neural networks, by showing that these classifiers can be viewed as converting input or higher-level features into Dempster-Shafer mass functions…

机器学习 · 计算机科学 2019-12-13 Thierry Denoeux

This paper presents a new classifier combination technique based on the Dempster-Shafer theory of evidence. The Dempster-Shafer theory of evidence is a powerful method for combining measures of evidence from different classifiers. However,…

人工智能 · 计算机科学 2011-07-04 A. Al-Ani , M. Deriche

Multiplicative noise models are often used instead of additive noise models in cases in which the noise variance depends on the state. Furthermore, when Poisson distributions with relatively small counts are approximated with normal…

最优化与控制 · 数学 2018-06-08 Ruanui Nicholson , Jari P. Kaipio

Given a statistical model, we propose a novel estimation method that yields randomised estimators for the unknown distribution of an observed random variable. We establish non-asymptotic bounds for the performance of these estimators and…

统计理论 · 数学 2026-05-06 Yannick Baraud

Dempster-Shafer theory is widely applied in uncertainty modelling and knowledge reasoning due to its ability of expressing uncertain information. A distance between two basic probability assignments(BPAs) presents a measure of performance…

人工智能 · 计算机科学 2014-04-15 Meizhu Li , Qi Zhang , Xinyang Deng , Yong Deng

Efficient modeling on uncertain information plays an important role in estimating the risk of contaminant intrusion in water distribution networks. Dempster-Shafer evidence theory is one of the most commonly used methods. However, the…

人工智能 · 计算机科学 2014-04-03 Li Gou , Yong Deng , Rehan Sadiq , Sankaran Mahadevan

Dempster-Shafer evidence theory has been widely used in various fields of applications, because of the flexibility and effectiveness in modeling uncertainties without prior information. However, the existing evidence theory is insufficient…

人工智能 · 计算机科学 2019-06-28 Fuyuan Xiao
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