Authors:
Elizabeth Churchill
In creating a multimedia travelogue of my recent trip to Europe, I checked in to the most interesting places I visited using the location-based service Foursquare [1]. Launched in March 2009 and serving more than 50 million users, Foursquare is a social networking site that lets you bookmark (i.e., "check in" at) venues based on your geographic location. As with all such services, the more information about you available to the system, the better the interactions. However, as much as I love it, Foursquare suffers from data sparsity and the closed world problem for me—I'm an irregular user, so…
You must be a member of SIGCHI, a subscriber to ACM's Digital Library, or an interactions subscriber to read the full text of this article.
GET ACCESS
Join ACM SIGCHIIn addition to all of the professional benefits of being a SIGCHI member, members get full access to interactions online content and receive the print version of the magazine bimonthly.
Subscribe to the ACM Digital Library
Get access to all interactions content online and the entire archive of ACM publications dating back to 1954. (Please check with your institution to see if it already has a subscription.)
Subscribe to interactions
Get full access to interactions online content and receive the print version of the magazine bimonthly.
