1. Inductive inference of formal languages from positive data;Angluin;Inf. Control,1980
2. Inductive inference: theory and methods;Angluin;ACM Comput. Surv.,1983
3. Queries and concept learning;Angluin;Mach. Learn.,1988
4. Language Learning From a Categorial Perspective;Adriaans,1992
5. From theory refinement to KB maintenance: a position statement;Abecker,1996