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

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CHAPTER 9

Management of Privacy Settings

Despite the well-documented privacy risks for users of online social networks, it has been consistently shown that end users struggle to express and maintain detailed policies controlling access to their data [1, 26, 43, 63, 93]. This is due, in part, to user interfaces that are complex and hard to use [93]. On Facebook, for example, the user must manually assign friends to lists. As the average Facebook user has 130 friends1, the process can be very time-consuming. Worse, numerous lists may be required since a user’s privacy preferences can be different for different personal-information items (e.g., Home Address vs. Religious Views).

In the previous chapter, we described mechanisms that raise users’ ...

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