Google's PageRank is a variant of the Eigenvector centrality measure.

谷歌的网页级别是特征向量中心性度量的一个变体。

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Its basic algorithm "PageRank" is even a patent.

它的基础算法“PageRank”甚至还是一个专利。

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Toolbar PageRank is updated every few months.

Google工具条中的PR只是几个月更新一次。

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Google lets users disable the feature:Just turn off the PageRank feature in the Options menu.

FORBES: Google Me Not

He echoes Fishkin and Schwartz's reassurances that the pagerank change has had no effect on sites' traffic.

FORBES: Google Scares The Search Crowd

Schwartz says that the popular sites whose pagerank dropped Wednesday likely all sold links to earn extra revenue.

FORBES: Google Scares The Search Crowd