Africa: Facts and Forecasts
نویسندگان
چکیده
منابع مشابه
Regional Model Nesting within GFS Daily Forecasts Over West Africa
The study uses the RM3, the regional climate model at the Center for Climate Systems Research of Columbia University and the NASA/Goddard Institute for Space Studies (CCSR/GISS). The paper evaluates 30 48-hour RM3 weather forecasts over West Africa during September 2006 made on a 0.5° grid nested within 1° Global Forecast System (GFS) global forecasts. September 2006 was the Special Observing P...
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Geographic regions (henceforth, regions for short) are spatially extended pieces of (near) earth surface that share some aspect of similarity across their extents. The most fundamental aspect of similarity shared within a region is "locational similarity"-proximity. But regions nearly always share common thematic content or activity too. That is, regions are defined not just spatially but accor...
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Stylized facts drive research agendas and policy debates. Yet robust stylized facts are hard to come by, and when available, often outdated. The 12 papers in this Special Issue revisit conventional wisdom on African agriculture and its farmers' livelihoods using nationally representative surveys from the Living Standards Measurement Study-Integrated Surveys on Agriculture Initiative in six Afri...
متن کاملCheap Facts and Counter-Facts
This paper describes our experiments of using Amazon’s Mechanical Turk to generate (counter-)facts from texts for certain namedentities. We give the human annotators a paragraph of text and a highlighted named-entity. They will write down several (counter-)facts about this named-entity in that context. The analysis of the results is performed by comparing the acquired data with the recognizing ...
متن کاملSome assumptions and facts about arithmetic facts
In the present review we will deal with the following questions: What are arithmetic facts? How are they related to other cognitive functions? What are characteristic features of fact retrieval performance in healthy adult subjects? Which typical patterns of breakdown can be observed in acalculia? How do current models account for the representation of and access to arithmetic facts?
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ژورنال
عنوان ژورنال: The Journal of Negro History
سال: 1943
ISSN: 0022-2992
DOI: 10.2307/2714921