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A Comparative Parametric Evaluation of Informal and Formal Housing: Maltepe/Istanbul Case Study

100%
Akcabozan A., Demir Y.
Architecture and Urban Planning
|
2015
|
vol. 10
|
issue 1
21-26
EN
The intention of this paper is to provide a comparative parametric approach that to analyze informal housing patterns and to develop alternative housing paradigms by designing new formal housing patterns in Istanbul. This paper focuses on parameters which are effective in the formation of “informal housing settlements” considering the formal housing production alternatives. Observation, actual sources and parametric evaluation was used. This study aims to make comparison between organic informal housing structure and formal housing structure in Maltepe/ Istanbul housing settlement and analyse their physical and spatial patterns by using parametric evaluation approach.
2
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Transmuted Kumaraswamy Distribution

88%
Khan M. S., King R., Hudson I. L.
Statistics in Transition new series
|
2016
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vol. 17
|
issue 2
183-210
EN
The Kumaraswamy distribution is the most widely applied statistical distribution in hydrological problems and many natural phenomena. We propose a generalization of the Kumaraswamy distribution referred to as the transmuted Kumaraswamy (T K w) distribution. The new transmuted distribution is developed using the quadratic rank transmutation map studied by Shaw et al. (2009). A comprehensive account of the mathematical properties of the new distribution is provided. Explicit expressions are derived for the moments, moment generating function, entropy, mean deviation, Bonferroni and Lorenz curves, and formulated moments for order statistics. The T K w distribution parameters are estimated by using the method of maximum likelihood. Monte Carlo simulation is performed in order to investigate the performance of MLEs. The flood data and HIV/ AIDS data applications illustrate the usefulness of the proposed model.
3
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Simulating the propagation of rumours with spreaders of distinct characters

88%
MENCIÓ-PADRÓN D., BOUZA-ALLENDE G.
Operations Research and Decisions
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2023
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vol. 33
|
issue 3
75-87
EN
The occurrence of a disaster and the appearance of a new product are items of news that can reach many people rapidly. Decision-makers would like to know how many individuals will obtain such information. In this paper, we study the case in which there are spreaders who think that the news is true and others that claim it is false. We simulate the propagation of a rumour and propose an algorithm for estimating the parameters of the resulting dynamical system. The relation between the parameters defining the simulation and the dynamical system is also studied. We conclude that the simulation describes the phenomenon well, in particular when the method proposed in this paper is used to estimate the parameters.
4
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Simulating the propagation of rumours with spreaders of distinct characters

88%
Menció-Padrón D., Bouza-Allende G.
Operations Research and Decisions
|
2023
|
vol. 33
|
issue 3
EN
The occurrence of a disaster and the appearance of a new product are items of news that can reach many people rapidly. Decision-makers would like to know how many individuals will obtain such information. In this paper, we study the case in which there are spreaders who think that the news is true and others that claim it is false. We simulate the propagation of a rumour and propose an algorithm for estimating the parameters of the resulting dynamical system. The relation between the parameters defining the simulation and the dynamical system is also studied. We conclude that the simulation describes the phenomenon well, in particular when the method proposed in this paper is used to estimate the parameters.
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