منابع مشابه
Evolution of Experts in Question Answering Communities
Community Question Answering (CQA) services thrive as a result of a small number of highly active users, typically called experts, who provide a large number of high quality useful answers. Understanding the temporal dynamics and interactions between experts can present key insights into how community members evolve over time. In this paper, we present a temporal study of experts in CQA and ana...
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Experts have questioned the effectiveness of the UK government’s announcement that it is going to introduce screening at major UK transport terminals in a bid to intercept travellers with Ebola disease. The government made the announcement to stem fears over the potential spread of the disease in the United Kingdom, after a man in the United States died from the disease and a nurse caring for m...
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This is an entry for The New Palgrave Dictionary of Economics, 2nd Ed.
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This paper proposes two mixed models to study a consumer’s optimal saving in the presence of two types of risk: income risk and background risk. In the first model, income risk is represented by a fuzzy number and background risk by a random variable. In the second model, income risk is represented by a random variable and background risk by a fuzzy number. For each model, three notions of prec...
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ژورنال
عنوان ژورنال: Nature
سال: 2000
ISSN: 0028-0836,1476-4687
DOI: 10.1038/35036730