Guardian: A knowledge-based home health-care system for children with leukemia

Guardian is a knowledge-based home health-care consulting system that models physician-patient interactions regarding the symptoms related to childhood leukemia. It asks a series of questions about the symptoms or problems the patient might be experiencing, and interprets the answers in the context of the history of the patient and of the current state of the patient's condition. As the dialog between Guardian and the patient proceeds, Guardian provides the patient with a variety of information such as what the patient can do, what to watch out for, and what might be causing the problems. Guardian makes extensive use of multi-media objects such as video clips, audio clips, images, text, to provide the explanation and guidance to the patient.