@InProceedings{hernandez-EtAl:2013:WASSA,
  author    = {Hern\'{a}ndez, Donato  and  Guzm\'{a}n, Rafael  and  M\'{o}ntes y Gomez, Manuel  and  Rosso, Paolo},
  title     = {Using PU-Learning to Detect Deceptive Opinion Spam},
  booktitle = {Proceedings of the 4th Workshop on Computational Approaches to Subjectivity, Sentiment and Social Media Analysis},
  month     = {June},
  year      = {2013},
  address   = {Atlanta, Georgia},
  publisher = {Association for Computational Linguistics},
  pages     = {38--45},
  url       = {http://www.aclweb.org/anthology/W13-1606}
}