@conference {Xia_ec12, title = {Computing the Margin of Victory for Various Voting Rules}, booktitle = {In Proceedings of the 13th ACM Conference on Electronic Commerce (EC-12)}, year = {2012}, pages = {982-999}, url = {http://econcs.seas.harvard.edu/files/econcs/files/xia_ec12.pdf}, author = {Lirong Xia} }