@InProceedings{xiao-EtAl:2016:*SEM,
  author    = {Xiao, Chunyang  and  Bouchard, Guillaume  and  Dymetman, Marc  and  Gardent, Claire},
  title     = {Orthogonality regularizer for question answering},
  booktitle = {Proceedings of the Fifth Joint Conference on Lexical and Computational Semantics},
  month     = {August},
  year      = {2016},
  address   = {Berlin, Germany},
  publisher = {Association for Computational Linguistics},
  pages     = {142--147},
  url       = {http://anthology.aclweb.org/S16-2019}
}