Node connection strength in Computer Science Tree.
Each node in Computer Science Tree can be characterized by its mean distance from every other node. Below is a histogram of mean distances for every node in the tree. The final bin includes nodes that are not connected to the main tree. Note also that only individuals whose primary affiliation is this tree are included. Nodes cross-listed from other academic trees are included on their primary tree.

Mean inter-node distance

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Mean distance



20 most tightly coupled nodes.
Below are the Computer Science Tree nodes with shortest mean distance.

Rank Mean dist Name Institution Area Date
1 25.02 Vijay Gupta (Info) University of Notre Dame Network protocol 2015-11-14
2 15266.6 Michele Clark Weigle (Info) Old Dominion University web science, digital preservation, information visualization, mobile computing, wireless networks 2015-06-16
3 23748 Kalpesh Padia (Info) North Carolina State University 2015-06-16
4 23748 Kevin Jeffay (Info) University of North Carolina, Chapel Hill 2015-06-16
5 23748 Mohammad S. Almalag (Info) Old Dominion University web science, digital preservation, information visualization, mobile computing, wireless networks 2015-11-20
6 23748 Gongjun Yan (Info) Old Dominion University web science, digital preservation, information visualization, mobile computing, wireless networks 2015-11-29
7 23748 Khaled Ibrahim (Info) Old Dominion University web science, digital preservation, information visualization, mobile computing, wireless networks 2015-11-29
8 23748 Mohammad H. Arabi (Info) Old Dominion University web science, digital preservation, information visualization, mobile computing, wireless networks 2015-11-29
9 106866 Mat Kelly (Info) Drexel University Digital Preservation, web archiving, information visualization, wireless sensor networks 2015-06-16


Distribution of individual connectivity.
Another way to look at the Computer Science Tree graph is to plot a histogram of researchers (nodes) based according to the number of immediate connections (edges) they have to other researchers. The final bin includes nodes with 16 or more connections. The actual distribution has a very long tail, with a maximum of 73 connections. Thanks to Adam Snyder for suggesting this analysis!

Edge vs node distribution

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16+
Number of connections
 Node count