Towards Understanding Hierarchical Learning:
      Benefits of Neural Representations

      Minshuo Chen   Yu Bai Jason D. Lee Tuo Zhao Huan Wang
               Caiming Xiong Richard Socher
        
         Georgia Tech  Salesforce Research  Princeton University
      {mchen393, tourzhao}@gatech.edu     jasonlee@princeton.edu
        {yu.bai, huan.wang, cxiong, rsocher}@salesforce.com

                       Abstract
     Deep neural networks can empirically perform efficient hierarc ...