Search Machine Learning Repository: @incollection{NIPS2014_5312,
    Publisher = {Curran Associates, Inc.},
    Author = {Yuanjun Xiong and Wei Liu and Deli Zhao and Xiaoou Tang},
    Url = {http://papers.nips.cc/paper/5312-zeta-hull-pursuits-learning-nonconvex-data-hulls.pdf},
    Booktitle = {Advances in Neural Information Processing Systems 27},
    Title = {Zeta Hull Pursuits: Learning Nonconvex Data Hulls},
    Editor = {Z. Ghahramani and M. Welling and C. Cortes and N.d. Lawrence and K.q. Weinberger},
    Year = {2014},
    Pages = {46--54}
   }