@mastersthesis {tang08, title = {Informativeness and Incentive-Compatability for Reputation Systems}, year = {2008}, note = {\bf Hoopes Prize}, school = {Computer Science and Economics, Harvard College}, type = {masters}, address = {Cambridge, MA}, url = {http://econcs.seas.harvard.edu/files/econcs/files/jt_thesis.pdf}, author = {Jie Tang} }