Recursively Conditional Gaussian for Ordinal Unsupervised Domain Adaptation
           Xiaofeng Liu1 , Site Li2 , Yubin Ge3 , Pengyi Ye1 , Jane You4 , Jun Lu5
                   1
                Harvard University, Cambridge, MA, USA.
                 2
               Carnegie Mellon University, Pittsburgh, PA, USA.
    3
     Dept. of Computer Science, University of Illinois at Urbana-Champaign, Urbana, IL, USA.
        4
         Dept. of Computing, The Hong Kong Polytechnic University, Ho ...