 Hancock, T. 

 Hancock, T.  Identifying decision trees with equivalence queries  1989 
 Hancock, T.  Identifying $decision trees and $formulas with constrained instance queries  1989 
 Hancock, T.  Learning monotone k DNF formulas on product distributions  1991 
 Hancock, T.  Learning readonce formulas over fields and extended bases  1991 
 Hancock, T.  Learning k decision trees on the uniform distribution  1993 
 Bshouty, N.  An algorithm to learn readonce threshold formulas, and transformations between learning models  1994 
