zipfian分布

zipf law :在给定的语料中,对于任意一个term,其频度(freq)的排名(rank)和freq的乘积大致是一个常数。

 

It is known that the number of incoming links to pages on the Web follows a Zipfian distribution. That is, a small number of Web pages have an extremely large number of links pointing to them, while a majority of pages have only a small number of incoming links.

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