http://libresoft.dat.escet.urjc.es/html/downloads/woss-icse-2004.pdf
I hadn't seen this before; hopefully others will find this interesting also.
Hmmm, my day job is about graph analysis and I have researched way to visualize community structure and interaction in the ASF for the last 2 years.
Personally, and you can quote me on this, I find this paper very interesting but scientifically shaky.
First of all their use of Newmann's algorithm is 'twisted' to say the least. Newman and his assistant Girvan found a method to clusterize community of nodes, not to find a spanning tree between those.
The idea of visualizing a spanning tree rather then the entire cluster topology is interesting but might yield to severe artifacts in representation of the relationship information.
Second, their use of CVS cross-commits is a very interesting idea, but without taking into consideration mail communication (which is where social communication happens), it might yield to other artifacts.
In short, inferring political information (as somebody is already doing) out of such graphs analysis is purely speculative and should be taken with a little bigger grain of salt.
-- Stefano.
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