PUBLICATION: Shortcuts in a virtual world
© ACM, 2006. This is the author's version of the work. It is posted here by permission of ACM for your personal use. Not for redistribution. The definitive version was published in CoNext 2006, 2nd Conference on Future Networking Technologies, 4-7 December 2006, Lisboa, Portugal http://dx.doi.org/10.1145/1368436.1368460