Cristina Tîrnauca Satoshi Kobayashi A Characterization of the Language Classes Learnable with Correction Queries. 398-407 2007 conf/tamc/2007 TAMC http://dx.doi.org/10.1007/978-3-540-72504-6_35 db/conf/tamc/tamc2007.html#TirnaucaK07