@conference {riahi2013utility,
	title = {Utility-driven data acquisition in participatory sensing},
	booktitle = {Proceedings of the 16th International Conference on Extending Database Technology},
	year = {2013},
	pages = {251{\textendash}262},
	author = {Riahi, Mehdi and Papaioannou, Thanasis G and Trummer, Immanuel and Aberer, Karl}
}
