20120106-NodeXL-Twitter-gatesfoundation network graph

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    From: www.connectedaction.net
    Link: www.flickr.com/photos/marc_smith/6670714687/sizes/l/in/ph...

    These are the connections among the Twitter users who recently tweeted the word gatesfoundation when queried on January 6, 2012, scaled by numbers of followers (with outliers thresholded). Connections created when users reply, mention or follow one another. The data set starts on 12/30/2011 8:52 and ends on 1/6/2012 19:00 UTC. Green lines are "follows" relationships, blue lines are "reply" or "mentions" relationships.

    Layout created with the "Group Layout" feature of NodeXL which tiles bounded regions for each cluster. Clusters calculated by the Clauset-Newman-Moore algorithm are also encoded by color.

    A larger version of the image is here: www.flickr.com/photos/marc_smith/6670714687/sizes/l/in/ph...

    Betweenness Centrality is defined here: en.wikipedia.org/wiki/Centrality#Betweenness_centrality

    Clauset-Newman-Moore algorithm is defined here: pre.aps.org/abstract/PRE/v70/i6/e066111

    Top most between users:
    @gatesfoundation
    @unfoundation
    @noahwhitcomb29
    @itspetergriffn
    @itsyoungblaze
    @backpackfarm
    @educationsector
    @calestous
    @snolen
    @anthonycody

    Graph Metric: Value
    Graph Type: Directed
    Vertices: 512
    Unique Edges: 1214
    Edges With Duplicates: 1031
    Total Edges: 2245
    Self-Loops: 135
    Connected Components: 19
    Single-Vertex Connected Components: 17
    Maximum Vertices in a Connected Component: 493
    Maximum Edges in a Connected Component: 2205
    Maximum Geodesic Distance (Diameter): 8
    Average Geodesic Distance: 2.148978
    Graph Density: 0.005935818
    Modularity: 0.344963
    NodeXL Version: 1.0.1.196

    More NodeXL network visualizations are here: www.flickr.com/photos/marc_smith/sets/72157622437066929/ and here:
    www.nodexlgraphgallery.org/Pages/Default.aspx

    A gallery of NodeXL network data sets is available here: nodexlgraphgallery.org/Pages/Default.aspx?search=twitter

    NodeXL is free and open and available from www.codeplex.com/nodexl

    NodeXL is developed by the Social Media Research Foundation (www.smrfoundation.org) - which is dedicated to open tools, open data, and open scholarship.

    Donations to support NodeXL are welcome through PayPal: www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_bu...

    The book, Analyzing social media networks with NodeXL: Insights from a connected world, is available from Morgan Kaufmann and from Amazon.

    Marc Smith on Twitter.

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