نتایج جستجو برای: cities need good

تعداد نتایج: 966681  

2012
SURAFEL LULESEGED TILAHUN

Transportation plays a vital role in the development of a country and the car is the most commonly used means. However, in third world countries long waiting time for public buses is a common problem, especially when people need to switch buses. The problem becomes critical when one considers buses joining different villages and cities. Theoretically this problem can be solved by assigning more...

Journal: :international journal of architecture and urban development 2012
hadi sarvari hamid majedi

the aim of this research paper was to determine the role of urban space design on cities competitiveness in the process of globalization. in the era of globalization and with the rush of investors to find attractive places for investment, cities are becoming the focal points for investors and the urban managers, who need to present a variety of attractions to draw financial capital and be able ...

1990
Heinrich Braun

We present a genetic algorithm for solving the traveling salesman problem by genetic algorithms to optimality for traveling salesman problems with up to 442 cities. Mlihlenbein et al. [MGK 88], [MK 89] have proposed a genetic algorithm for the traveling salesman problem, which generates very good but not optimal solutions for traveling salesman problems with 442 and 531 cities. We have improved...

Journal: :Big data 2014
Luís M A Bettencourt

There is much enthusiasm currently about the possibilities created by new and more extensive sources of data to better understand and manage cities. Here, I explore how big data can be useful in urban planning by formalizing the planning process as a general computational problem. I show that, under general conditions, new sources of data coordinated with urban policy can be applied following f...

2010
Shlomo Angel Jason Parent Daniel L. Civco Robert F. Wagner Woodrow Wilson

Cities the world over are highly fragmented. The fragmentation of the built-up area cities by the open spaces interpenetrating them is a key attribute of urban-sprawl, and sprawl as fragmentation, as distinct from sprawl as lower-density development, is now a universal feature of cities. Using satellite images and census data for 1990 and 2000 for a global sample of 120 cities, we find that cit...

2013
Masoud Parirokh Mohammad Jafar Eghbal Jamileh Ghoddusi Shahla Kakoei Ali Akbar Haghdoost Sina Kakooei

INTRODUCTION As the result of epidemiological transition and aging of Iranian population, the frequencies of systemic diseases among patients in of need endodontic treatment has increased, especially within developed cities. However, there have been no concise reports of systemic diseases in Iranian patients. Based on this need, the present investigation was conducted to assess the frequency of...

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