Chapter 12

Location-Based Social Interaction

Identifying location in social interactions is emerging as one of the new trends in social media. There are many different ways that location information is accessible from users. Users may explicitly state their location, or the location may be automatically detected from their computer’s IP address, pulled from a mobile device’s GPS device, or from cell phone tower triangulation, and even from leveraging wifi hotspots.

Location data is used to create new connections (both on and offline) and to spread information about the locations themselves. It may be explicitly shared by users, or passively collected by sites that use it to associate social behavior with geographic patterns. This chapter discusses ...

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