04:192:315 Lecture 7: Feb 18
Document Summary
What is a network: a set of entities (people, organizations, websites, etc. ) and the ties between them (cid:1) (cid:1) (cid:1, node (vertex, actor, etc. John likes mary: symmetric- undirected (symmetric, ex. Social media observer social networking in plain english- video o. Online social networks make your personal social network visible, because seeing your friends" friends help you make connections with them the. Social network illusion that could turn this election on its head (article) o. Romantic or sexual relationships high school romance network o terrorism networks- people connected to 9/11 attacks o digital networks- the. Bloggers of a feather (political blogosphere) dynamic networks and evolution over time . Time 1 time 2 time 3 interdependence of links and attributes/behavior . Selection- attributes or behavior affect the network o i will only become friends with you if you are a fan of the same sports team as i am .