Social Media and Social Computing
Social Media: Many-to-Many
Various forms of Social Media
Characteristics of Social Media
Top 20 Websites at USA
Networks and Representation
Basic Concepts
Properties of Large-Scale Networks
Scale-free Distributions
log-log plot
Small-World Effect
The Milgram Experiment (Wikipedia)
The Milgram Experiment (cont.)
Result of the Experiment
Diameter
Community Structure
Clustering Coefficient
Challenges
Network Modeling
Centrality Analysis and Influence Modeling
Community Detection
Classification and Recommendation
Privacy, Spam and Security
Two Books: Huan Liu and Lei Tang
Book 2: available online

Privacy, Spam and Security

Privacy is a big concern in social media Facebook, Google buzz often appear in debates about privacy NetFlix Prize Sequel cancelled due to privacy concern Simple annoymization does not necessarily protect privacy Spam blog (splog), spam comments, Fake identity, etc., all requires new techniques As private information is involved, a secure and trustable system is critical Need to achieve a balance between sharing and privacy