@InProceedings{xia-EtAl:2013:EMNLP,
  author    = {Xia, Tian  and  Ji, Zongcheng  and  Zhai, Shaodan  and  Chen, Yidong  and  Liu, Qun  and  Wang, Shaojun},
  title     = {Improving Alignment of System Combination by Using Multi-objective Optimization},
  booktitle = {Proceedings of the 2013 Conference on Empirical Methods in Natural Language Processing},
  month     = {October},
  year      = {2013},
  address   = {Seattle, Washington, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {535--544},
  url       = {http://www.aclweb.org/anthology/D13-1051}
}