@InProceedings{popescu-nguyen-etzioni:2005:HLT-Demo,
  author    = {Popescu, Ana-Maria  and  Nguyen, Bao  and  Etzioni, Oren},
  title     = {{O}{P}{I}{N}{E}: Extracting Product Features and Opinions from Reviews},
  booktitle = {Proceedings of HLT/EMNLP 2005 Interactive Demonstrations},
  month     = {October},
  year      = {2005},
  address   = {Vancouver, British Columbia, Canada},
  publisher = {Association for Computational Linguistics},
  pages     = {32--33},
  url       = {http://www.aclweb.org/anthology/H/H05/H05-2017}
}