Centrality I
Centrality refers to a family of structural concepts characterizing a node's position in the network. Today's class will focus on the Big Four: degree (which, technically, should probably not be called a centrality measure), closeness, betweenness, eigenvector.
Topics
main aspects of centrality
Reading
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Freeman, L. C. (1979.) Centrality in social networks conceptual clarification. Social Networks, 1 pp. 215-239. [pdf]
Forrest R. Pitts, 1978/79. The Medieval River Trade Network of Russia Revisited. Social Networks1:285-292 [pdf] [summary]
Leavitt, H.J. 1951. Some effects of certain communication patterns on group performance. Journal of Abnormal and Social Psychology, 46: 38-50. [pdf]
Slides
centrality1.pdf (21 Feb, 2013)
Tutorials
Centrality. Borgatti, Floyd, Grosser. [doc]
Borgatti et al. Analyzing Social Networks. Centrality
Hanneman & Riddle. Chap. 10
Data
Neogen
Exercises
Older Slides
Handouts
Study Questions
Are there any properties of networks/position that would not be considered social capital?