Explaining and Justifying Expert Consulting Programs William R. Swartout

Examining the refinement structure created by the automatic programmer makes possible justifications of the code. This chapter describes XP LAIN and outlines additional advantages this approach has for explanation. The significance of Swartout's work is not just its use of a s_vstem design technique that makes explanation possible. His work reveals how principles (here, domain strategies by which specific treatment methods are apphed) are part of explanation. It is useful to supply not just an "audit trail" of what a problem solver did (on perhaps