نتایج جستجو برای: introduction the city population

تعداد نتایج: 16188833  

2014
Roberto Requena Antonio Agudo Alba Baron Maria Campos Carlos Guijarro Jose Puche David Villa Felix Jesús Villanueva Juan Carlos López

Extending the services offered by the city requires, most of the times, reimplementation efforts. This paper presents our on-going efforts to develop a platform for the Smart City that focuses in providing the appropriate solutions for an easy integration of new services and devices. This endeavor is accomplished by abstracting communication issues using a middleware platform and by standardizi...

Journal: :جغرافیا و توسعه ناحیه ای 0
حسن پارسی پور ژیلا سجادی زهره فنی مظفر صرافی

the rapid and sprawl development city in recent decades has created many problems for cities and causing instability in urban environments. the late twentieth century these problems caused a revision in urban planning models and introduction of new models such as the infill development. studies show that third world countries like iran are faced with sprawl development model and should take the...

Journal: :پژوهش و برنامه ریزی روستایی 0
محمد علی احمدیان مریم قاسمی

the metropolis – mashhad- is the biggest population center in the east of iran which has high dominate. because of different issues such as religious aspects, being the official and political center of state, high level of professional services and also for its industrial and commercial centralization. due to all these centralizations, it rolls out like a metropolis. it expanded continually and...

2006
Jordan Rappaport Vernon Henderson Ruben Hernandez

Population density varies widely across U.S. cities. A simple, static general equilibrium model suggests that moderate-sized differences in cities’ total factor productivity can account for such variation. Nevertheless, the productivity required to sustain above-average population densities considerably exceeds estimates of the increase in productivity caused by such high density. In contrast, ...

Journal: :EURO Journal on Transportation and Logistics 2015

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