@conference {AzariSoufiani_nips13, title = {Generalized Random Utility Models with Multiple Types}, booktitle = {Proceedings of the Annual Conference on Neural Information Processing Systems (NIPS 2013)}, year = {2013}, pages = {73-81}, url = {http://econcs.seas.harvard.edu/files/econcs/files/azarisoufiani_nips13.pdf}, author = {Hossein Azari Soufiani and Hansheng Diao and Zhenyu Lai and David C. Parkes} }