Diagnostic Reasoning and Planning in Exploratory-Corrective Domains

DIAGNOSTIC REASONING AND PLANNING IN EXPLORATORY CORRECTIVE DOMAINS Ron Rymon Bonnie L Webber Supervisor I have developed a methodology for knowledge representation and reasoning for agents working in exploratory corrective domains Working within the eld of Arti cial Intelligence in Medicine I used the speci c problem of diagnosis and repair in multiple trauma management as both motivation and testbed for my work A reasoning architecture is proposed in which specialized diagnostic reasoning and planning components are integrated in a cycle of reasoning and action perception A Goal Directed Diagnostic GDD reasoner which is predicated on the view that diagnosis is only worthwhile to the extent that it can a ect repair decisions and that goals can be used to focus on such Rather than focusing on a diagnosis object as the primary purpose of the diagnostic process the GDD reasoner is tasked primarily with generating goals for the planner and with reasoning about whether these goals have been satis ed A Progressive Horizon Planner PHP which works by constructing interme diate plans via a combination of plan sketching and selection optimization sub processes and then adapting these plans to re ect new information and