@inproceedings {tipaldi11icra,
	author = {Tipaldi, Gian Diego and Arras, Kai O.},
	title = {{I want my coffee hot! Learning to find people under spatio-temporal constraints}},
	booktitle = {Proceedings of the IEEE International Conference on Robotics and Automation (ICRA)},
	year = {2011},
	address = {Shanghai, China},
	url = {http://www.informatik.uni-freiburg.de/~tipaldi/papers/tipaldi11icra.pdf}
}