@inproceedings{hu2011generating,
  title={Generating breakpoint-based timeline overview for news topic retrospection},
  author={Hu, Po and Huang, Minlie and Xu, Peng and Li, Weichang and Usadi, Adam K. and Zhu, Xiaoyan},
  booktitle={Data Mining (ICDM), 2011 IEEE 11th International Conference on},
  pages={260--269},
  year={2011},
  organization={IEEE}
}