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Editor Login
Convener in chief:
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Ben Waber
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Ines Mergel
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Brian Rubineau
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Maria Binz-Scharf
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Jeff Boase
(Technology, Societal networks)
Alexander Schellong
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Recent Comments
- Re: Network Visualization Tools
By: Brian Rubineaeu
Date: Mar 8, 2006 12:32 PM - Re: Network Visualization Tools
By: Brian Rubineau
Date: Mar 8, 2006 12:21 PM - Re: Network Visualization Tools
By: Valdis
Date: Mar 8, 2006 7:08 AM
Notification
« Brinton Milward on "Dark Networks as Organizational Problems" | Main | NYT magazine article: Can Network Theory Thwart Terrorsts? »
8 March 2006
Network Visualization Tools
I find that when I’m inundated with network data, the best way to get my head around it is through visualization. The human eye seems to be able to identify the important structure and topological dynamics much easier than an algorithm. Over the years I’ve spent most of my time using a Window/Linux application called Pajek. I use a Matlab script to turn an adjacency matrix into files that Pajek can interpret as a network. It supports different shapes, colors, and edges - and even can visualize (more or less) dynamic networks.
One of my Pajek networks from here.
However, things start to break down when the networks go beyond a few hundred nodes. There are several packages for large-scale network visualization - however most come with serious limitations. Walrus creates beautiful networks, but unfortunately they need to be spanning trees.
A 500,000 node Walrus network
There are plenty of other network analysis tools out there - but it’d be great to hear people’s experiences actually using them on real data...
Posted by Nathan Eagle at March 8, 2006 5:03 AM
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Comments
Here is a visualization from InFlow you may enjoy -- on on-line community of 3000+ people.
Nodes are colored by their inter-connectivity... we hid the lurkers/isolates [800+ nodes].
Posted by: Valdis at March 8, 2006 7:08 AM
There's a pretty comprehensive and recent summary comparing SNA software tools by Mark Huisman and Marijtje A.J. van Duijn as a chapter in the recent book, Models and Methods in Social Network Analysis. I recommend the book and the chapter.
Posted by: Brian Rubineau at March 8, 2006 12:21 PM
Here's a link to the book I mentioned above:
http://www.cambridge.org/uk/catalogue/catalogue.asp?isbn=0521600979
Posted by: Brian Rubineaeu at March 8, 2006 12:32 PM