@InProceedings{nguyen-shirai:2015:EMNLP,
  author    = {Nguyen, Thien Hai  and  Shirai, Kiyoaki},
  title     = {PhraseRNN: Phrase Recursive Neural Network for Aspect-based Sentiment Analysis},
  booktitle = {Proceedings of the 2015 Conference on Empirical Methods in Natural Language Processing},
  month     = {September},
  year      = {2015},
  address   = {Lisbon, Portugal},
  publisher = {Association for Computational Linguistics},
  pages     = {2509--2514},
  url       = {https://aclweb.org/anthology/D/D15/D15-1298}
}