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Chloë Brown (University of Cambridge)
Thursday 19 July 2012, 16:00-17:00
The Importance of Being Placefriends: Discovering Location-focused Online Communities
- 👤 Speaker: Chloë Brown (University of Cambridge)
- 📅 Date & Time: Thursday 19 July 2012, 16:00 - 17:00
- 📍 Venue: FW26, Computer Laboratory, William Gates Builiding
Abstract
Discovering groups of online friends who go to the same physical places has numerous potential applications including privacy management, friend recommendation, and contact grouping as in Google+ circles. Until recently, little information was available about places visited by users of online social networking services, so community detection on the social graph could not take this into account. With the rise of services such as Foursquare, Gowalla, and Facebook Places, where users check in to named venues and share their location with their friends, we now have the right data to make this possible. In this work, we propose a way to extract place-focused communities from the social graph by annotating its edges with check-in information. Using traces from two online social networks with location sharing, we show that we can extract groups of friends who meet face-to-face, with many possible benefits for online social services.
Series This talk is part of the Computer Laboratory Systems Research Group Seminar series.
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