منابع مشابه
Big-City Dropouts and Illiterates
IN THE: TWITED STATES, such credentials of schooling as diplomas and number of years completed have long been important for job and income prospects. Since World Kar II, the symbols of eclucatioii hare become crucial. In 1959, adult, workers with eighth-grade diplomas earned $3,600 a year on the average. Those who went on to high school but withdrew before graduating earned about $4,300. High s...
متن کاملHypertension in the inner city. I. Analysis of clinic dropouts.
Sixty dropouts from hypertensive clinics were interviewed in depth to determine reasons for noncompliance. Waiting time and a poor doctor-patient relationship were the major reasons given. The average waiting time prior to examination by the doctor was 2.5 hours, and the average waiting time at the pharmacy was 1.8 hours. In contrast the average time spent with the doctor was 7.5 min. The poor ...
متن کاملBig City 3D Visual Analysis
A big city visual analysis platform based on Web Virtual Reality Geographical Information System (WEBVRGIS) is presented. Extensive model editing functions and spatial analysis functions are available, including terrain analysis, spatial analysis, sunlight analysis, traffic analysis, population analysis and community analysis.
متن کاملBig data, smart cities and city planning
I define big data with respect to its size but pay particular attention to the fact that the data I am referring to is urban data, that is, data for cities that are invariably tagged to space and time. I argue that this sort of data are largely being streamed from sensors, and this represents a sea change in the kinds of data that we have about what happens where and when in cities. I describe ...
متن کاملBig city life: carnivores in urban environments
Cities may represent one of the most challenging environments for carnivorous mammals. For example, cities have a dearth of vegetation and other natural resources, coupled with increased habitat fragmentation and an abundance of roads as well as altered climate (e.g. temperature, light, rainfall and water runoff). It is therefore intriguing that several carnivore species have become established...
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ژورنال
عنوان ژورنال: American Sociological Review
سال: 1969
ISSN: 0003-1224
DOI: 10.2307/2096039