@conference {nardilearning,
	title = {Learning Environmental Knowledge From Task-Based-Robot Dialog},
	booktitle = {Proceedings of the IEEE International Conference on Robotics and Automation (ICRA-13)},
	year = {2013},
	pages = {4304-4309},
	issn = {1050-4729},
	doi = {10.1109/ICRA.2013.6631186},
	author = {Kollar, Thomas and Perera, Vittorio and D. Nardi and Veloso, Manuela}
}
