نتایج جستجو برای: urban network

تعداد نتایج: 832139  

1995
A Sartenaer

This paper presents an application of the so-called \auction algorithm" by Bertsekas (for nding shortest paths in a directed graph) to the search of optimal routes in an urban network. A comparison of this algorithm with Dijkstra's algorithm is performed which shows that Dijkstra's algorithm is particularly well adapted to urban networks. Abstract This paper presents an application of the so-ca...

Journal: :Ecological Informatics 2012
G. Y. Liu Z. F. Yang M. R. Su B. Chen

a r t i c l e i n f o Keywords: Ecological network analysis Extended exergy analysis Structure Utility Urban ecological economic system Analyzing the structure and functioning of the urban system revealed ways to optimize its structure by adjusting the relationships among compartments, thereby demonstrating how ecological network analysis can be used in urban system research. Based on the accou...

Journal: :international journal of civil engineering 0
a. shariat mohaymany narmak,tehran ,iran m. babaei narmak,tehran ,iran

since the 1990’s, network reliability has been considered as a new index for evaluating transportation networks under uncertainty. a large number of studies have been revealed in the literature in this field, which are mostly dedicated to developing relevant measures that can be utilized for the evaluation of vulnerable networks under different sources of uncertainty, such as daily traffic flow...

Journal: :Revista de Cultura e Extensão USP 2017

Trees in urban areas have survived in a wide variety of conditions and constrains, whether developing in natural or manmade habitats. Due to environmental constrains and stresses, urban trees rarely achieve their biological potentials. Indeed, some of trees, in small groups, could excel in terms of age, biomass structure and dimensions in urban areas. In definition, tree hazard includes entirel...

2015
Haifeng Li Wenbo Chen Wei He Yu-Pin Lin

Green space plays an important role in sustainable urban development and ecology by virtue of multiple environmental, recreational, and economic benefits. Constructing an effective and harmonious urban ecological network and maintaining a sustainable living environment in response to rapid urbanization are the key issues required to be resolved by landscape planners. In this paper, Nanchang Cit...

2009
Kebin Liu Mo Li Yunhao Liu Minglu Li Xiang-Yang Li Leonidas Guibas

The high mobility of VANET makes information exchange across the network excessively difficult. Traditional approaches designed for stationary networks are not applicable due to the high dynamics among the nodes. Applying the routing techniques tailored for general mobile networks inevitably brings huge traffic burden to the crowded urban VANET and leads to low efficiency. To make the informati...

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