@inproceedings{ko-seo:2004:ACL,
  author    = {Ko, Youngjoong  and  Seo, Jungyun},
  title     = {Learning with Unlabeled Data for Text Categorization Using a Bootstrapping and a Feature Projection Technique},
  booktitle = {Proceedings of the 42nd Meeting of the Association for Computational Linguistics (ACL'04), Main Volume},
  year      = 2004,
  month     = {July},
  address   = {Barcelona, Spain},
  pages     = {255--262},
  url       = {http://www.aclweb.org/anthology/P04-1033},
  doi       = {10.3115/1218955.1218988}
}