文档介绍：MANAGING UNCERTAINTY
IN EXPERT SYSTEMS
THE KLUWER INTERNATIONAL SERIES
IN ENGINEERING PUTER SCIENCE
MANAGING UNCERTAINTY
IN EXPERT SYSTEMS
by
Jerzy w. Grzymala-Busse
University ofKansas
SPRINGER SCIENCE+BUSINESS MEDIA, LLC
Library of Congress Cataloging-in-Publication Data
Grzymala-Busse, Jerzy W.
Managing Uncertainty in Expert Systems / by Jerzy W. Grzymala-Busse.
p. cm ... (The K1uwer International Series in Engineering and
Computer Science ; SECS)
Includes bibliographical references and index.
ISBN 978-1-4613-6779-6 ISBN 978-1-4615-3982-7 (eBook)
DOI -1-4615-3982-7
1. Expert Systems (Computer Science) 1. Title. II. Series.
1991
'3--dc20
Copyright © 1991 by Springer Science+Business Media New York
Origina1ly published by K1uwer Academic Publishers in 1991
Softcover reprint of the hardcover 1st edition 1991
Ali rights reserved. No part ofthis publication may be reproduced, stored in a retrieval
system or transmitted in any form orby any means, mechanical, photo-copying, record ing,
or otherwise, without the prior written permission of the publisher, Springer-Science+
Business Media, LLC.
Printed on acid-free paper.
To my mother Estera-Maria
and my late father Witold
c o N T E N T s
LIST OF FIGURES xiii
LIST OF TABLES xv
PREFACE xvii
1 INTRODUCTION 1
Architecture ofan Expert System ~..4
Building Expert Systems 6
Construction Stages 6
Expert System Tools 8
Uncertainty in Expert Systems 9
Sources ofUncertainty 10
Inference under Uncertainty 11
Taxonomy of Expert Systems 11
ByTaskType l1
By User Interaction and Solution Status 12
2 KNOWLEDGE REPRESENTATION 13
First..Qrder Logic 13
Propositional Calculus 13
PredicateCaiculus 15
Production Systems 17
Production Rules 17
Data Base 19
Rule Interpreter 19
Pattern Matching 20