@InProceedings{celikyilmaz-thint-huang:2009:ACLIJCNLP,
  author    = {Celikyilmaz, Asli  and  Thint, Marcus  and  Huang, Zhiheng},
  title     = {A Graph-based Semi-Supervised Learning for Question-Answering},
  booktitle = {Proceedings of the Joint Conference of the 47th Annual Meeting of the ACL and the 4th International Joint Conference on Natural Language Processing of the AFNLP},
  month     = {August},
  year      = {2009},
  address   = {Suntec, Singapore},
  publisher = {Association for Computational Linguistics},
  pages     = {719--727},
  url       = {http://www.aclweb.org/anthology/P/P09/P09-1081}
}