@InProceedings{buchegger:ubiquitous,
 author = "Sonja Buchegger",
 title = "Ubiquitous Social Networks",
 booktitle= "Ubicomp Grand Challenge, Ubiquitous Computing at a Crossroads
Workshop",
 address = "London, U.K.",
 month = "January 6-7,",
 year = "2009"
}