Humanexpertsarenotsystemsofrules, theyarelibrariesofexperiences. Riesbeck and Schank (1989, p.15) Broadlyspeaking, case-basedreasoning(CBR)is concernedwith solvingnew problems by adapting solutions that worked for similar problems in the past. As with Arti cial Intelligence in general, case-based reasoning deals with two di erent aspects of intelligence: A r st motivation is to establish cog- tive models in order to understand human thinking and behavior. A second motivationis to buildsystemswhichhelpto solvereal-worldproblems.These...