2010-01-26 (3)

(3) - Review Identify a[n]… Node Edge Arc(N Graph Digraph Isolate Path Circuit Trail Cycle 1 2 4 3 5 7 6 B A C D F E Let’s Draw a Network 1 1 2

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Unformatted text preview: Review Identify a[n]… Node Edge Arc (N?) Graph Digraph Isolate Path Circuit Trail Cycle 1 2 4 3 5 7 6 B A C D F E Let’s Draw a Network 1 1 2 3 4 5 6 1 0 0 0 0 2 1 3 0 1 4 1 0 0 5 0 0 0 1 6 0 0 0 1 1 0 0 0 0 0 0 0 0 1 Two Metaphors (heuristics) Networks provide potential pathways through which various “bits” can be passed from one node to another via the links between them Analyzing networks is therefore interested in properties that will promote or constrain transmission through the population Network patterns reveal differences or similarities in actor status/roles with relation to others, particularly through “common” patterns SNA in this case is interested in identifying patterns that can differentiate between varieties of networks or varieties of positions within networks Topics from Six Degrees power grid failure the “Small World Problem” (Milgram) six degrees of separation the strength of weak ties (Granovetter) how to get a job (Granovetter) epidemic potential (Rapoport) Triadic closure (Heider) Erdös numbers Course Outline Why we study networks (1 more day) How we study networks (next 2 weeks) How networks form (till exam 1) How we differentiate networks (or positions in networks) from each other “How Kevin Bacon Cured Cancer” Full video available for download (~300mb): http://ivl.slis.indiana.edu/km/movies/2008­talas­connecte ...
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This note was uploaded on 03/01/2011 for the course SOC 294 taught by Professor Reesing during the Spring '08 term at ASU.

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(3) - Review Identify a[n]… Node Edge Arc(N Graph Digraph Isolate Path Circuit Trail Cycle 1 2 4 3 5 7 6 B A C D F E Let’s Draw a Network 1 1 2

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