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Closeness VitalityDefinition
Closeness vitality of a node is the change in the sum of distances between all node pairs when excluding that node.
Algorithm1: Calculate initial wiener index of G 2: for all nodes in graph G do 3: Remove node v_{i}, creating a modied graph G' 4: Calculate wiener index of G' 4: Store result as wiener index of G  wiener index of G' 6: end for Requirements
Require strongly connected network.
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