نتایج جستجو برای: geographic regions
تعداد نتایج: 415355 فیلتر نتایج به سال:
Wide variations in the prevalence of asthma, allergic rhinitis and eczema have been reported in the world, between regions and countries. The international study of asthma and allergies in childhood (ISAAC) was developed to provide standardized method to ascertain the prevalence of asthma and allergies in different regions. Comparisons of prevalence rates across geographic regions may help to i...
OBJECTIVE - To analyze the trends in risk of death due to cardiovascular diseases in the northern, northeastern, southern, southeastern, and central western Brazilian geographic regions from 1979 to 1996. METHODS - Data on mortality due to cardiovascular, cardiac ischemic, and cerebrovascular diseases in 5 Brazilian geographic regions were obtained from the Ministry of Health. Population estima...
Location contexts are geographic regions, with well defined boundaries, that can be used to characterize the context of the persons lying inside them. In this paper we describe a process that exploits the increasing availability of geographic data to automatically create and classify location contexts. The proposed process generates new geographic regions from a database of Points Of Interest t...
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