AAAI Publications, Third International AAAI Conference on Weblogs and Social Media

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Leaders and Negotiators: An Influence-based Metric for Rank
Rumi Ghosh, Kristina Lerman

Last modified: 2009-07-07


We propose influence as a measure of the centrality of nodes in a network. Influence takes into account not only direct links but also all paths between nodes. We parametrize the influence metric by a variable alpha that measures the strength of links. Variations in rankings as alpha changes provides a mechanism to identify the central nodes within communities (leaders), as well as nodes that act as bridges between communities (negotiators).


Ranking; Influence; Communities

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