@Inproceedings{chai2009efficiently,
  author = {Chai, Xiaoyong and Vuong, Ba-Quy and Doan, AnHai and Naughton, Jeffrey F.},
  title  = {Efficiently incorporating user feedback into information extraction and integration programs},

  year   = {2009},
  number = {},
  url    = {http://doi.acm.org/10.1145/1559845.1559857},
  doi = {10.1145/1559845.1559857},
  const  = {\ text}
}