Search Machine Learning Repository: @incollection{NIPS2014_5431,
    Publisher = {Curran Associates, Inc.},
    Author = {Yuchen Zhang and Xi Chen and Dengyong Zhou and Michael I. Jordan},
    Url = {http://papers.nips.cc/paper/5431-spectral-methods-meet-em-a-provably-optimal-algorithm-for-crowdsourcing.pdf},
    Booktitle = {Advances in Neural Information Processing Systems 27},
    Title = {Spectral Methods meet EM: A Provably Optimal Algorithm for Crowdsourcing},
    Editor = {Z. Ghahramani and M. Welling and C. Cortes and N.d. Lawrence and K.q. Weinberger},
    Year = {2014},
    Pages = {1260--1268}
   }