@InProceedings{xiao20summ,
  author = 	"Xiao, Liqiang
		and Wang, Lu
		and He, Hao
		and Jin, Yaohui",
  title = 	"Copy or Rewrite: Hybrid Summarization with Hierarchical Reinforcement Learning",
  booktitle = 	"Proceedings of the AAAI Conference on Artificial Intelligence (AAAI)",
  year = 	"2020"
}