@conference{Choi09_ACC, 
	address = {St. Louis, MO},
	author = {H.-L. Choi and How, J. P.},
	booktitle = {American Control Conference (ACC)},
	keywords = {mobile radio; path planning; wireless sensor networks; information-gathering paths; informative paths planning; mobile sensors; optimal path planning problem; receding-horizon approximation; sensor scheduling; smoothing roles; target localization; weather forecasting; estimation and tracking},
	month = {10-12 June},
	pages = {2154-2159},
	title = {On the roles of smoothing in planning of informative paths},
	year = {2009}
}