@TECHREPORT{TirKnu07b,
  author        = {Cristina T\^{i}rn\u{a}uc\u{a} and Timo Knuutila},
  title         = {Efficient Language Learning with Correction Queries},
  number        = {822},
  year          = {May 2007},
  institution   = {Turku Center for Computer Science},
  type          = {Technical Report},
  isbn          = {978-952-12-1911-5},
  url           = {http://www.tucs.fi/publications/insight.php?id=tTiKn07a},
}