@Article{ SGZB11,
	author = "Stephan Sigg and Dawud Gordon and Georg von Zengen and Michael Beigl and Sandra Haseloff and Klaus David",
	title = "Investigation of context prediction accuracy for different context abstraction level",
	journal = "IEEE Transactions on Mobile Computing (TMC)",
	year = "2012",
	ibrauthors = "sigg gordon beigl",
	ibrgroups = "dus",
	doi = "10.1109/TMC.2011.170"
}