@conference {897026, title = {Learning Sparse Combinatorial Representations viaTwo-stage Submodular Maximization}, booktitle = {International Conference of Machine Learning (ICML) }, year = {2016}, pages = {2207-2216}, url = {http://people.seas.harvard.edu/~yaron/papers/TwoStageSubmodular.pdf}, author = {Eric Balkanski and Andreas Krause and Baharan Mirzasoleiman and Yaron Singer} }