@conference {57,
	title = {Control by Gradient Collocation: Applications to Optimal Obstacle Avoidance and Minimum Torque Control},
	booktitle = {IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS)},
	year = {2012},
	author = {P. Ruvolo and T. Wu and J. Movellan}
}
@article {64,
	title = {A Learning Approach to Hierarchical Feature Selection and Aggregation},
	journal = {Pattern Recognition Letters},
	year = {2010},
	author = {P. Ruvolo and I. Fasel and J. Movellan}
}
