@InProceedings{li-EtAl:2015:EMNLP4,
  author    = {Li, Jing  and  Gao, Wei  and  Wei, Zhongyu  and  Peng, Baolin  and  Wong, Kam-Fai},
  title     = {Using Content-level Structures for Summarizing Microblog Repost Trees},
  booktitle = {Proceedings of the 2015 Conference on Empirical Methods in Natural Language Processing},
  month     = {September},
  year      = {2015},
  address   = {Lisbon, Portugal},
  publisher = {Association for Computational Linguistics},
  pages     = {2168--2178},
  url       = {http://aclweb.org/anthology/D15-1259}
}