Language Networks on LiveJournal
HICSS '07 Proceedings of the 40th Annual Hawaii International Conference on System Sciences
GEDMWA: geospatial exploratory data mining web agent
Proceedings of the 16th ACM SIGSPATIAL international conference on Advances in geographic information systems
User interactions in social networks and their implications
Proceedings of the 4th ACM European conference on Computer systems
Surfing a Web of Trust: Reputation and Reciprocity on CouchSurfing.com
CSE '09 Proceedings of the 2009 International Conference on Computational Science and Engineering - Volume 04
Cowabunga!: a system to facilitate multi-cultural diversity through couchsurfing
CHI '11 Extended Abstracts on Human Factors in Computing Systems
Location-based information fusion for mobile navigation
Proceedings of the 13th international conference on Ubiquitous computing
You are where you e-mail: using e-mail data to estimate international migration rates
Proceedings of the 3rd Annual ACM Web Science Conference
Studying inter-national mobility through IP geolocation
Proceedings of the sixth ACM international conference on Web search and data mining
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This paper describes a Location Based Social Network (LBSN) built upon activities that combine virtual and physical location. While many modern social networks are based in the virtual world and strengthen pre-existing connections, the CouchSurfing social network is built upon creating new face-to-face connections between members across the world. The network has connected travelers to cost-free lodging for over 5 years with over 1 million current members. Now it provides a large user database where each user is tagged with a location. This is useful for spatial data mining and knowledge discovery as recommendations about locations are left in user reviews of one another. These are drawn upon to find interesting locations and discover new places, people and activities. Techniques from the field of time geography are used with LBSN information about individual member location to show how spatiotemporal constraints combine the virtual and physical worlds. Additionally, mobile devices afford flexible utility for the LBSN and applications are presented that take advantage of this.