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Privacy in Social Networks by Lise Getoor, Evimaria Terzi, Elena Zheleva

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CHAPTER 7

Models of Information Sharing

Users’ participation in online social networks gives them a number of benefits, including staying in touch with friends and keeping informed about events and products. At the same time, their online presence also exposes them to the risks that their information may be propagated to people with whom they prefer not to share their information with.

In this chapter, we focus on presenting game-theoretic models that try to capture this tradeoff. More specifically, we focus on the recent game-theoretic model presented by Kleinberg and Ligett [56]. The main idea behind this work is to formalize the tradeoff between the benefit of sharing and the risk of exposure. In this game, every user is an individual who ...

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