Simplicity Betrayed

The Betrayed Generation

How Feeling Betrayed Affects Cooperation

For a population of interacting self-interested agents, we study how the average cooperation level is affected by some individuals' feelings of being betrayed and guilt. We quantify these feelings as adjusted payoffs in asymmetric games, where for different emotions, the payoff matrix takes the structure of that of either a prisoner's dilemma or a snowdrift game. Then we analyze the evolution o...

Simplicity.

Perhaps the most famous equation in science is E = mc2; it also represents one of the best-known scientific insights. But why does Einstein’s equation about the conservation of energy enjoy such popularity? Is it because it is easily and instinctively understood, or because it is widely taught in schools? I doubt that either explanation is true; rather, its appeal is its elegant simplicity with...

Betrayed By My Shadow: Learning Data Identity via Trail Matching

The term “re-identification” refers to the correct relation of seemingly anonymous data to explicitly identifying information, such as the name or address, of people who are the subjects of the data. Historically, methods for re-identification have been based on data released from a single data holder. This paper extends the concept to trail re-identification in which a person is related to see...

Betrayed Mood in Public View: Taking a MySpace History

Social networking sites (SNS), the modern mainstay of adolescent expression, may provide vital information to physicians. The emergency department (ED) is a setting where SNS may be helpful. A reticent 19-year-old in the ED prompted a search for pertinent information on the Internet, where a profile on www.myspace.com relayed a troubled post. The patient was admitted for psychiatric evaluation ...