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Alpha centrality : ウィキペディア英語版 | Alpha centrality In graph theory and social network analysis, alpha centrality is a measure of centrality of nodes within a graph. It is an adaptation of eigenvector centrality with the addition that nodes are imbued with importance from external sources. ==Definition== Given a graph with adjacency matrix the alpha centrality is defined as follows: : where is the external importance given to node , and is a parameter.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Alpha centrality」の詳細全文を読む
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