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A preferential attachment process is any of a class of processes in which some quantity, typically some form of wealth or credit, is distributed among a number of individuals or objects according to how much they already have, so that those who are already wealthy receive more than those who are not.  "Preferential attachment" is only the most recent of many names that have been given to such processes.  They are also referred to under the names "Yule process", "cumulative advantage", "the rich get richer", and, less correctly, the "Matthew effect".  They are also related to Gibrat's law. The principal reason for scientific interest in preferential attachment is that it can, under suitable circumstances, generate power law distributions.

A preferential attachment process is any of a class of processes in which some quantity, typically some form of wealth or credit, is distributed among a number of individuals or objects according to how much they already have, so that those who are already wealthy receive more than those who are not.  "Preferential attachment" is only the most recent of many names that have been given to such processes.  They are also referred to under the names "Yule process", "cumulative advantage", "the rich get richer", and, less correctly, the "Matthew effect".  They are also related to Gibrat's law. The principal reason for scientific interest in preferential attachment is that it can, under suitable circumstances, generate power law distributions.

'''<font color="#ff8000">优先链接 Preferential Attachment</font>'''过程是一类过程，在这类过程中，某些量(通常是某种形式的财富或信贷)是根据一些人或事物已经拥有的量来分配的，从而使那些已经富有的人比那些不富有的人得到更多。”优先链接”是描述该过程的众多名称中最贴近其本质含义的名称。它还被称为“Yule过程”、“可积累的优势”、“富人越来越富” ，以及不那么确切的“马太效应”。它们也与吉布拉定律有关。优先链接之所以受到科学家的关注，主要是因为它能在适当的条件下产生'''<font color="#ff8000">幂律分布 Power Law Distributions</font>'''。

'''<font color="#ff8000">优先链接 Preferential Attachment</font>'''过程是一类过程，在这类过程中，某些量(通常是某种形式的财富或信贷)是根据一些人或事物已经拥有的量来分配的，从而使那些已经富有的人比那些不富有的人得到更多。”优先链接”是描述该过程的众多名称中最贴近其本质含义的名称。它还被称为“Yule过程”、“优势积累”、“富人越来越富” ，以及说得不那么确切的“马太效应”。它们也与吉布拉定律有关。优先链接之所以受到科学家的关注，主要是因为它能在适当的条件下产生'''<font color="#ff8000">幂律分布 Power Law Distributions</font>'''。