@Book{BEA:2012,
  editor    = {Joel Tetreault  and  Jill Burstein  and  Claudia Leacock},
  title     = {Proceedings of the Seventh Workshop on Building Educational Applications Using NLP},
  month     = {June},
  year      = {2012},
  address   = {Montr\'{e}al, Canada},
  publisher = {Association for Computational Linguistics},
  url       = {http://www.aclweb.org/anthology/W12-20}
}