id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
work_27g256ct6zf4fiivjunlac54um	D. E. Heckerman	Toward Normative Expert Systems: Part I The Pathfinder Project	1992	33	.pdf	application/pdf	13861	1140	55	Keywords: expert systems, decision making, diagnosis, probability theory, decision In contrast, normative expert systems use decision theory to manage uncertainty. Then, we describe experiments with these non-decisiontheoretic approaches as well as theoretical analyses that directed us to return to a methodology based in probability and decision theory. Both an early version and the latest version of Pathfinder employ decision-theoretic computations to assist pathologists with diagnosis. the use of probability and decision theory for representing and reasoning with expert knowledge in computer-based reasoning systems. Let us now consider how an expert system can use decision theory to recommend features The first medical expert systems employed computations based in probability theory. At this time, probability theory was low on our list as a method for combining evidence to build a differential diagnosis, because of the limitations of the simple-Bayes model.	./cache/work_27g256ct6zf4fiivjunlac54um.pdf	./txt/work_27g256ct6zf4fiivjunlac54um.txt