@article{long2010new,
  title={A new approach for multi-document update summarization},
  author={Long, Chong and Huang, Min-Lie and Zhu, Xiao-Yan and Li, Ming},
  journal={Journal of Computer Science and Technology},
  volume={25},
  number={4},
  pages={739--749},
  year={2010},
  publisher={Springer}
}