@inproceedings{zhao2015sentiment,
  title={Sentiment extraction by leveraging aspect-opinion association structure},
  author={Zhao, Li and Huang, Minlie and Sun, Jiashen and Luo, Hengliang and Yang, Xiankai and Zhu, Xiaoyan},
  booktitle={Proceedings of the 24th acm international on conference on information and knowledge management},
  pages={343--352},
  year={2015},
  organization={ACM}
}