Recommendations in taste related domains: collaborative filtering vs. social filtering
Proceedings of the 2007 international ACM conference on Supporting group work
Small-world characteristics of Internet topologies and implications on multicast scaling
Computer Networks: The International Journal of Computer and Telecommunications Networking
On the "localness" of user-generated content
Proceedings of the 2010 ACM conference on Computer supported cooperative work
Spatio-temporal small worlds for decentralized information retrieval in social networking
Proceedings of the 20th International Conference on Advances in Geographic Information Systems
Investigating the Properties of a Social Bookmarking and Tagging Network
International Journal of Data Warehousing and Mining
Spatio-temporal small worlds for decentralized information retrieval in social networking
Proceedings of the 20th International Conference on Advances in Geographic Information Systems
Geographic aspects of tie strength and value of information in social networking
Proceedings of the 6th ACM SIGSPATIAL International Workshop on Location-Based Social Networks
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We discuss foundations and options for alternative, agent-based information retrieval (IR) approaches in Social Networking (SN). In addition to usual semantic contexts, these approaches make use of long-term social and spatio-temporal contexts according to Human IR heuristics. Using a large Twitter dataset, we investigate foundations for these approaches and especially the question in how far spatio-temporal contexts can act as a conceptual bracket implicating social and semantic cohesion, giving rise to the concept of Spatio-Temporal Small Worlds.