@InProceedings{chen-EtAl:2006:HLT-NAACL06-Short,
  author    = {Chen, Jinxiu  and  Ji, Donghong  and  Tan, Chew Lim  and  Niu, Zhengyu},
  title     = {Semi-supervised Relation Extraction with Label Propagation},
  booktitle = {Proceedings of the Human Language Technology Conference of the NAACL, Companion Volume: Short Papers},
  month     = {June},
  year      = {2006},
  address   = {New York City, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {25--28},
  url       = {http://www.aclweb.org/anthology/N/N06/N06-2007}
}