@InProceedings{yu-kubler:2011:CoNLL,
  author    = {Yu, Ning  and  K\"{u}bler, Sandra},
  title     = {Filling the Gap: Semi-Supervised Learning for Opinion Detection Across Domains},
  booktitle = {Proceedings of the Fifteenth Conference on Computational Natural Language Learning},
  month     = {June},
  year      = {2011},
  address   = {Portland, Oregon, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {200--209},
  url       = {http://www.aclweb.org/anthology/W11-0323}
}