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A whimsical image of the blogosphere from the edge of the core.
February 23, 2007 in blogosphere, dataviz, graphs | Permalink
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Tracked on March 02, 2007 at 02:51 AM
» What does the blogosphere look like? from Uno se Blog
Tracked on March 13, 2007 at 04:28 AM
Lovely! Can you tell us more about how this was made? What's the cluster that drops down in the middle?
Chris Anderson |
February 23, 2007 at 09:08 AM
Looks like the globe, looking down over Hawaii while Asia and Australia are in the grips of a severe blackout.
Nathan Gilliatt |
February 23, 2007 at 09:30 AM
I ought to write this up as a post, but here is the outline recipe:
Data - I took a hefty amount of blog data - approximately 6 weeks of full index from blogpulse. I then pulled out all the links in posts that were to other blogs and created a data set of blog to blog links.
Graph Building - By inspecting this data set for blogs that have reciprocal links (A links to B and B links to A) we can form a graph of what we might call a social network of the blogosphere.
Partitionaing - This graph will have distinct partitions. For two partitions (X and Y) there are no links between any blog in X and any blog in Y. Each partition may be thought of as a community.
Layout - Each of the communities can be laid out using a standard graph layout algorithm. Further, as there are non-reciprocal links between some of the communities we can actually use these links to layout the different communities with respect to each other (this can be thought of almost as hierarchical graph layout).
Projection - A blog is selected to be the centre of the image and the whole picture is projected on a hyperbolic surface (which gives it something like a fish-eye lens look).
What I have done in this instance is select a blog in a part of the graph that is off centre and used it to form the centre of the projection - thus pushing of the large core mass of the blogosphere to the edge of the hyperbolic surface.
Matthew Hurst |
February 23, 2007 at 10:35 PM
Do you have more images that illustrate this experiment?
Manuel Lima |
February 28, 2007 at 11:23 AM
Interesting image (one of many) - What software do you use for visualisations like this?
Iain Robinson |
March 02, 2007 at 12:09 PM
Is it with Walrus?
March 28, 2007 at 09:00 PM
June 27, 2007 at 12:26 PM
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