Inductive Inference of Functions on the Rationals. - Douglas A. Cenzer; William R. Moser (COLT, 1995)

A Good Oracle Is Hard to Beat. - Douglas A. Cenzer; William R. Moser (Algorithmica, 1998)

Approximation Methods in Inductive Inference. - William R. Moser (Ann. Pure Appl. Log., 1998)