Online Social Networks
Literature Review by Javier Velasco-Martin

Social Networks
A way of describing social organization
Networks, not communities (Wellman, 1996)
Network theory
Graph theory
Nodes & Links

Social Network Analysis
Tie strength
Network density
Centrality
Degree
Closeness
Betweenness
Cliques
Bridges

Friendship vs Dating
in High School
Mark Newman, Univ of Michingan

Personal Networks
Ego-centric networks
A person belongs to multiple networks

CMC and SNA
E-mail
IM Eckmann et al, 2004
Web
Listservs
Web
Blogs
Ali-Hasan & Adamic, 2007

Online Social Networks
Especially designed to empower the flow of resources
across people’s social networks.
Each user will have a different view of the system,
based on his own relationships.

Power Laws on
CMC + OSN
Subscribers x Blog / Bloglines Views x Photo / Flickr
Java et al., 2007 van Zwol, 2007

My questions
Are OSNs providing new means of communication?
What is new about it?
What does this allow people to do?
What is the value of OSNs for their users?

Online Social Networks
Literature Review by Javier Velasco-Martin