Nowadays, one of the characteristic orientations in social science studies focusing on cities is the ranking of cities, as well as the definition of the world’s leading cities (world cities, global cities) on the basis of various criteria. Central European countries are given just a minor role in these researches, particularly in comparison with German cities with their considerable economic pe...

Although there is a general consensus on which are the leading world cities, there is no agreedupon roster covering world cities below the highest level. This paper reports the construction of an inventory of world cities based upon their level of advanced producer services. Global service centres are identified and graded for accountancy, advertising, banking/finance and law. Aggregating these...

Assessing and quantifying atmospheric vulnerability is a key issue in urban environmental protection and management. This paper integrated the Analytical hierarchy process (AHP), fuzzy synthesis evaluation and Geographic Information System (GIS) spatial analysis into an Exposure-Sensitivity-Adaptive capacity (ESA) framework to quantitatively assess atmospheric environment vulnerability in the B...

Contemporary and future cities are often labeled as “smart cities,” “digital cities” or “ubiquitous cities,” “knowledge cities,” and “creative cities.” Informational urbanism includes all aspects of information and (tacit as well as explicit) knowledge with regard to urban regions. “Informational city” (or “smart city” in a broader sense) is an umbrella term uniting the divergent trends of info...

Traffic violations have become one of the major threats to urban transportation systems, undermining human safety and causing economic losses. To alleviate this problem, crowd-based patrol forces including traffic police voluntary participants been employed in many cities. adaptively optimize routes with limited manpower, it is essential be aware violation hotspots. Traditionally, hotspots are ...

To determine why North Americans tend to locate European cities south of North American cities at similar latitudes (Tversky, 1981), we had observers provide bearing estimates between cities in the U.S. and Europe. Earlier research using latitude estimates of these cities has indicated that each continent has several subjective regions (Friedman & Brown, 2000a). Participants judged cities from ...