one of the main reasons of unsustainability of city development in iran is that planners and mayors have not almost been able to create connections between different dimensions of a city. sustainability indicators are evaluation tools of cities operation applicable in living environmental, economical, and social aspects. the purpose of this paper is to offer a framework including the descriptio...

The cities require new elements to its management. The broad use of new information technology and communication (ICTs) are an alternative for improving the management of cities. The objective of this paper is to propose a model of operationalization center and urban automation for large cities to optimize the management of the city. The proposed model combines an operationalization Center, for...

Cities across the United States that have considerable vacant land are debating whether to foster community gardens on that land, while cities with land shortages are debating when to replace gardens with other uses. Meanwhile, many cities are looking for new ways to finance green spaces. Little empirical evidence about the neighborhood impacts of community gardens is available, however, to inf...

An empirical regularity designated as the Number-Average Size (NAS) Rule was first identified for the case of Japan by Mori, Nishikimi and Smith [13], and has since been extended to the US by Hsu [6]. This rule asserts a negative log-linear relation between the number and average population size of cities where a given industry is present, i.e., of industry-choice cities. Hence one of its key f...

Access to high quality and updated data is crucial to assess and contextualize city state of affairs. The City Data Pipeline uses diverse Open Data sources to integrate statistical information about cities. The resulting incomplete dataset is not directly usable for data analysis. We exploit data from a geographic information system, namely OpenStreetMap, to obtain new indicators for cities wit...

Cities present significant opportunities for new landscape perspectives that can help inform conservation and development decisions. Early in the twenty-first century, the majority of the planet’s population became urban as more people lived in city-regions for the first time in our history. As the global population increases, so does this urbanization. The environmental challenges of populatio...

extended abstractintroductionone of the basic challenges of governments, especially in developing countries, is to organize the desired national spatial structure in the changing urbanization. such a structure allows us to divide economic and social functions in the urban and regional hierarchy in a balanced manner. in most provinces and territories of iran, the urban hierarchy has formed compl...

Rapid urbanization in China has strengthened the connection and cooperation among cities and has also led urban residents to be more vulnerable in adverse environmental conditions. Vulnerability research has been an important foundation in urban risk management. To make cities safe and resilient, it is also necessary to integrate the connection among cities into a vulnerability assessment. Ther...

Sense of security is one of the basic human needs and the most influential social components of urban life. Perhaps it can be the most important factor in promoting or hindering walking in cities. In other words, if the neighborhoods of a city have a good level of security, the presents of pedestrians can be seen in local streets even in the late night hours. In this regard and to the answer to...

Given the increasingly important role social networking services play as information sources during and after disasters, this study aims to investigate how the municipal governments of major U.S. cities and their emergency agencies employed RSS (Really Simple Syndication) or Atom, webcasts, Facebook, Twitter, YouTube, and photo-sharing platforms for emergency management. Our findings reveal tha...