%0 Conference Paper %B Proceedings of the 13th International Conference on Principles of Knowledge Representation and Reasoning (KR-12) %D 2012 %T Paradoxes of Multiple Elections: An Approximation Approach %A Vincent Conitzer %A Lirong Xia %B Proceedings of the 13th International Conference on Principles of Knowledge Representation and Reasoning (KR-12) %G eng %U http://econcs.seas.harvard.edu/files/econcs/files/conitzer_kr12.pdf