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dynamic Bayesian networks

Adaptive Dynamic Bayesian Networks

Adaptive Dynamic Bayesian Networks

... KEY WORDS: Directed graphical models, dynamic Bayesian networks, nonparametric modeling 1. Introduction Before one can perform any intelligent analysis for a given problem (e.g., fault diagnosis of a ...

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2 Dynamic Bayesian Networks: Preliminaries

2 Dynamic Bayesian Networks: Preliminaries

... in dynamic Bayesian net- works cause conflicts in representing ...extending dynamic Bayesian net- works with activator variables to ADBNs, we are able to move acyclicity constraints from a ...

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Distributed Diagnosis of Dynamic Systems Using Dynamic Bayesian Networks

Distributed Diagnosis of Dynamic Systems Using Dynamic Bayesian Networks

... inaccuracies. Dynamic Bayesian Networks (DBNs) provide a systematic method for modeling the behavior of dynamic systems in uncertain environments (Murphy ...about dynamic systems ...

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Learning Non-Stationary Dynamic Bayesian Networks

Learning Non-Stationary Dynamic Bayesian Networks

... Learning dynamic Bayesian network structures provides a principled mechanism for identifying conditional dependencies in time-series ...stationary dynamic Bayesian network, in which the ...

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Failure prognostic by using dynamic Bayesian Networks.

Failure prognostic by using dynamic Bayesian Networks.

... uses Dynamic Bayesian Networks (DBNs) (Murphy ...A Bayesian network (BN) (Pearl (1988)) is a directed acyclic graph, where the nodes represent random variables and the links the causal and ...

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Suspicious activity reporting using dynamic bayesian networks

Suspicious activity reporting using dynamic bayesian networks

... 4. Conclusion Identification of suspicious financial transactions to unhide money-laundering activities has always been a complex problem. This complexity can be attributed to the vagueness in the criteria of a ...

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Dynamic Bayesian Networks for Audio Visual Speech Recognition

Dynamic Bayesian Networks for Audio Visual Speech Recognition

... of dynamic Bayesian networks, the factorial and the coupled HMM, and com- pares their performances with existing models for audio- visual speech ...

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Computational intelligent systems : evolving dynamic Bayesian networks

Computational intelligent systems : evolving dynamic Bayesian networks

... that Bayesian learning research are inseparable from DBNs, discusses the suggested solutions to address the computational intensity (or NP-hard) problems of Bayesian learning, and evaluates the existing ...

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Mining Transliterations from Wikipedia using Dynamic Bayesian Networks

Mining Transliterations from Wikipedia using Dynamic Bayesian Networks

... 3 Dynamic Bayesian networks The possibility to have random variables relate to time in a Bayesian network enables DBNs to represent probability distributions over a sequence of random ...

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Stock Trading by Modelling Price Trend with Dynamic Bayesian Networks

Stock Trading by Modelling Price Trend with Dynamic Bayesian Networks

... Abstract. We study a stock trading method based on dynamic bayesian networks to model the dynamics of the trend of stock prices. We design a three level hierarchical hidden Markov model (HHMM). There ...

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A novel approach for pilot error detection using Dynamic Bayesian Networks

A novel approach for pilot error detection using Dynamic Bayesian Networks

... decade Dynamic Bayesian Networks (DBNs) have become one type of the most attractive probabilistic modelling framework extensions of Bayesian Networks (BNs) for working under ...

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Analyzing Student Process Data in Game-Based Assessments with Bayesian Knowledge Tracing and Dynamic Bayesian Networks

Analyzing Student Process Data in Game-Based Assessments with Bayesian Knowledge Tracing and Dynamic Bayesian Networks

... use Dynamic Bayesian Networks and Bayesian Knowledge Tracing to estimate and update student mastery of knowledge and skills for game- and simulation-based ...of Dynamic Bayesian ...

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Diagnostics and prognostics utilising dynamic Bayesian networks applied to a wind turbine gearbox

Diagnostics and prognostics utilising dynamic Bayesian networks applied to a wind turbine gearbox

... 2.2 Dynamic Bayesian Networks DBNs can be used to model a system over a finite number of discrete time slices. A DBN is formed by interconnecting BBNs over time slices, in doing this it can model the ...

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INFORMATION SECURITY RISK ASSESSMENT UNDER UNCERTAINTY USING DYNAMIC BAYESIAN NETWORKS

INFORMATION SECURITY RISK ASSESSMENT UNDER UNCERTAINTY USING DYNAMIC BAYESIAN NETWORKS

... on the amount of uncertainty reduced and accuracy of the inference algorithm used. 5. CONCLUSIONS The traditional risk management process focuses on qualitative and quantitative analysis where the risk in the information ...

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CNC Machine Tool's wear diagnostic and prognostic by using dynamic bayesian networks.

CNC Machine Tool's wear diagnostic and prognostic by using dynamic bayesian networks.

... recently, Dynamic Bayesian Networks [11], a tool generalizing the HMMs and the Kalman filter, have been exploited to perform failure prog- ...

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CiteSeerX — Inter-time segment information sharing for non-homogeneous dynamic bayesian networks

CiteSeerX — Inter-time segment information sharing for non-homogeneous dynamic bayesian networks

... Abstract Conventional dynamic Bayesian networks (DBNs) are based on the homogeneous Markov assumption, which is too restrictive in many practical applications. Vari- ous approaches to relax the ...

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Modelling Operational Risk in Financial Institutions using Hybrid Dynamic Bayesian Networks. Authors:

Modelling Operational Risk in Financial Institutions using Hybrid Dynamic Bayesian Networks. Authors:

... Hybrid Dynamic Bayesian Networks (HDBNs) to model the operational risk faced by financial institutions in terms of economic ...a Dynamic Bayesian Network model based on interactions ...

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Applying dynamic Bayesian Networks to process monitoring

Applying dynamic Bayesian Networks to process monitoring

... a dynamic Bayesian network (DBN), and would contain various models which each describe particular process behaviour given information about the operational status of various process ...

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CiteSeerX — Dynamic Bayesian Networks: Representation, Inference and Learning

CiteSeerX — Dynamic Bayesian Networks: Representation, Inference and Learning

... 3.6.4 Non-linear/ non-Gaussian models KFMs support exact inference because of two facts: a Gaussian pushed through a linear transformation, and subjected to additive Gaussian noise, still results in a Gaussian; and ...

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Relational Dynamic Bayesian Networks: a report. Cristina Manfredotti

Relational Dynamic Bayesian Networks: a report. Cristina Manfredotti

... GUESS IT! Cristina Manfredotti D.I.S.Co. Università di Milano - Bicocca 18 Particle Filters: Tecnique that implements a ricursive Bayesian FIlter through a Monte Carlo simulation. The key idea is to represent the ...

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