@inproceedings{zhu2014customized,
  title={Customized organization of social media contents using focused topic hierarchy},
  author={Zhu, Xingwei and Ming, Zhao-Yan and Hao, Yu and Zhu, Xiaoyan and Chua, Tat-Seng},
  booktitle={Proceedings of the 23rd ACM International Conference on Conference on Information and Knowledge Management},
  pages={1509--1518},
  year={2014},
  organization={ACM}
}