@inproceedings {zelek2002robot,
	title = {What the robot sees and understands facilitates dialog},
	booktitle = {Human-Robot Interaction, Papers from the AAAI Fall Symposium},
	volume = {2},
	year = {2002},
	pages = {03},
	author = {Zelek, John and Bullock, Dave and Bromley, Sam and Wu, Haisheng}
}
