@InProceedings{yang-EtAl:2014:W14-31,
  author    = {Yang, Yi  and  Pan, Shimei  and  Downey, Doug  and  Zhang, Kunpeng},
  title     = {Active Learning with Constrained Topic Model},
  booktitle = {Proceedings of the Workshop on Interactive Language Learning, Visualization, and Interfaces},
  month     = {June},
  year      = {2014},
  address   = {Baltimore, Maryland, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {30--33},
  url       = {http://www.aclweb.org/anthology/W14-3104}
}