منابع مشابه
The SAHARA Model for Service Composition across Multiple Providers
Services are capabilities that enable applications and are of crucial importance to pervasive computing in next-generation networks. Service Composition is the construction of complex services from primitive ones; thus enabling rapid and flexible creation of new services. The presence of multiple independent service providers poses new and significant challenges. Managing trust across providers...
متن کاملDust and biological aerosols from the Sahara and Asia influence precipitation in the western U.S.
Winter storms in California's Sierra Nevada increase seasonal snowpack and provide critical water resources and hydropower for the state. Thus, the mechanisms influencing precipitation in this region have been the subject of research for decades. Previous studies suggest Asian dust enhances cloud ice and precipitation, whereas few studies consider biological aerosols as an important global sour...
متن کاملEvidence of rift valley fever seroprevalence in the Sahrawi semi-nomadic pastoralist system, Western Sahara
BACKGROUND The increasing global importance of Rift Valley fever (RVF) is clearly demonstrated by its geographical expansion. The presence of a wide range of host and vector species, and the epidemiological characteristics of RVF, have led to concerns that epidemics will continue to occur in previously unaffected regions of Africa. The proximity of the Sahrawi territories of Western Sahara to e...
متن کاملAfrican humid periods triggered the reactivation of a large river system in Western Sahara
The Sahara experienced several humid episodes during the late Quaternary, associated with the development of vast fluvial networks and enhanced freshwater delivery to the surrounding ocean margins. In particular, marine sediment records off Western Sahara indicate deposition of river-borne material at those times, implying sustained fluvial discharges along the West African margin. Today, howev...
متن کاملIncome Inequality and Colonialism
This paper proposes that Colonialism is a major explanation behind today’s differences in Income Inequality among countries. We argue that colonies that received an important number of European settlers were characterized by a concentration of economic and political power in the hands of these last ones. Moreover, European settlers later achieved independence from the metropolis and were able t...
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ژورنال
عنوان ژورنال: Journal of Language, Technology & Entrepreneurship in Africa
سال: 2010
ISSN: 1998-1279
DOI: 10.4314/jolte.v2i2.61528