Sharad Goel, Daniel M. Reeves, Duncan J. Watts, David M. Pennock. Prediction without markets. In David C. Parkes, Chrysanthos Dellarocas, Moshe Tennenholtz, editors, Proceedings 11th ACM Conference on Electronic Commerce (EC-2010), Cambridge, Massachusetts, USA, June 7-11, 2010. pages 357-366, ACM, 2010. [doi]