نتایج جستجو برای: hierarchical network model
تعداد نتایج: 2645327 فیلتر نتایج به سال:
With the increase in the pollution caused by oil industry developments and related infrastructures in the last century, setting priorities for decisions in sensitive coastal areas to oil spills is important. This study uses the reports in the field of environmental sensitivity index in shorelines and applies the Delphi method to determine the criteria and sub-criteria allowed for adjusting the ...
The complexity of large-scale network systems made of a large number of nonlinearly interconnected components is a restrictive facet for their modeling and analysis. In this paper, we propose a framework of hierarchical modeling of a complex network system, based on a recursive unsupervised spectral clustering method. The hierarchical model serves the purpose of facilitating the management of c...
An OpenFlow control plane architecture characteristic of SDN limit the flow based scalability. To address the scalability problem, two control plane architectures such as flat and hierarchical methods for the improvement of the scalability of the SDN. However, two control plane architectures have issues: the Flat Architecture (FCPA) does not solve the time computing growth of the north bound (c...
For details… For details… o de s… o de s… Miyagawa, M.: Optimal hierarchical system of a Miyagawa, M.: Optimal hierarchical system of a y g , p y grid road network, Major arterial Major arterial Proportions differ considerably among wards Proportions differ considerably among wards Hierarchical system of road networks Hierarchical system of road networks e c c sys e o o d e wo s e c c sys e o o...
Multilevel Models (MLM) have pioneered the analysis of hierarchical data of two or more levels. Agent-Based Models (ABM) are also used to analyse social phenomena in which there are two or more levels involved. This paper addresses a comparison between MLM and ABM. To provide a basis of comparison, we focus on differential school effectiveness analysis, where MLM has been well studied, using da...
As the basis of Internet development and exploitation on higher levels, the Internet topology modeling starts from the random model to the hierarchical model. Then it developed to a more realistic one, scale-free network model. Many characteristics of topology are analyzed with the corresponding metrics, including power law. Moreover, the related work on the current topology models, topology ge...
Two major approaches have developed within Bayesian statistics to address uncertainty in the prior distribution and in the overall model more generally. First, methods of model checking, including those assessing prior-data conflict, determine whether the prior and the rest of the model are adequate for purposes of inference and estimation or other decision-making. The main drawback of this app...
The presence of long gaps dramatically increases the difficulty of detecting and characterizing complex events hidden in long sequences. In order to cope with this problem, a learning algorithm based on an abstraction mechanism is proposed: it can infer a Hierarchical Hidden Markov Model, from a learning set of sequences. The induction algorithm proceeds bottom-up, progressively coarsening the ...
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