Long Tail
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The long tail is the large number of occurrences far from the head or central part of a distribution of popularities, probabilities or such. In statistics, a probability distribution is said to have a long tail if a larger share of population rests within its tail than would under a normal distribution. A long-tail distribution will arise with the inclusion of many values unusually far from the mean, which increase the magnitude of the skewness of the distribution. The term long tail has gained popularity in recent times as describing the retailing strategy of selling a large number of unique items with relatively small quantities sold of each – usually in addition to selling fewer popular items in large quantities. The long tail was popularized by Chris Anderson (writer)|Chris Anderson in an October 2004 Wired (magazine)|Wired magazine article, in which he mentioned Amazon.com, Apple Inc.|Apple and Yahoo! as examples of businesses applying this strategy. Anderson elaborated the c...
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相关概念
Heavy Tail    
Power Law    
Large Scale    
Em Algorithm    
主要的会议/期刊
演化趋势
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