SUMEX

STANFORD UNIVERSITY
MEDICAL EXPERIMENTAL COMPUTER RESOURCE

RR-00785

ANNUAL REPORT—YEAR 13

Submitted to

BIOMEDICAL RESEARCH TECHNOLOGY PROGRAM
NATIONAL INSTITUTES OF HEALTH

June 1, 1986

STANFORD UNIVERSITY SCHOOL OF MEDICINE

Edward H. Shortliffe, Principal Investigator
Edward A. Feigenbaum, Co-Principal Investigator
DEPARTMENT OF HEALTH. AND HUMAN SERVICES
PUBLIC HEALTH SERVICE
NATIONAL INSTITUTES OF HEALTH

DIVISION OF RESEARCH RESOURCES
BIOMEDICAL RESEARCH TECHNOLOGY PROGRAM

ANNUAL PROGRESS REPORT
PART I., TITLE PAGE

. PHS GRANT NUMBER: 5 P41 RROO785-13

. TITLE OF GRANT: SUMEX

Stanford University Medical
Experimental Computer Resource

. NAME OF RECIPIENT INSTITUTION: Stanford University

. HEALTH PROFESSIONAL SCHOOL: School of Medicine

. REPORTING PERIOD:

5a. FROM: 08-01-85
5b. TO: 07-31-86

. PRINCIPAL INVESTIGATOR:

. DATE SIGNED:

6a. NAME: Edward H. Shortliffe, M.D., Ph.D.
6b. TITLE: Associate Professor of Medicine
and Computer Science

6c. SIGNATURE:

 

. TELEPHONE: 415-723-6979
5P41-RR00785-13

Table of Contents

I. Title Page
II. Description of Program Activities

ILA. Scientific Subprojects
II.B. Books, Papers, and Abstracts
ILC. Resource Summary Table

Ill. Narrative Description

ILA. Summary of Research Progress
HLA.1. Overview
IIL.A.2. Resource Goals and Definitions
I11.A.2.1. What is Artificial Intelligence?
TELA.2.2. Resource Sharing
IH.A.2.3. Significance to Biomedicine
[EL.A.2.4. Summary of Current Goals
HIL.A.3. Details of Technical Progress
II[.A.3.1. Progress Highlights
{11.A.3.2. Resource Equipment Details
{11.A.3.3. Core System Development
III.A.3.4. Core AI Research
Iff.A.3.5. Training Activities
IIT.A.3.6. Resource Operations and Usage
I11.A.4. Future Plans
TU.B. Highlights
III.B.1. The ONCOCIN Project
III.B.2. The Internist-I Project
11.B.3. The PROTEAN Project
T.B.4. AIM Community Software Support
Hif.B.5. Remote Virtual Graphics
HLC. Administrative Changes
liI.D. Resource Management and Allocation
IILE. Dissemination of Resource Information
III.F. Suggestions and Comments

IV. Description of Scientific Subprojects

IV.A. Stanford Projects
[V.A.1. GUIDON/NEOMYCIN Project
IV.A.2. MOLGEN Project
IV.A.3. ONCOCIN Project
1V.A.4. PROTEAN Project
IV.A.5. RADIX Project
IV.B. National AIM Projects
IV.B.1. INTERNIST-I Project

IV.B.2, CLIPR - Hierarchical Models of Human Cognition

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E. H. Shortliffe
5P41-RR00785-13

IV.B.3. MENTOR Project 150

IV.B.4. Rutgers Research Resource 154

1V.B.5. SOLVER Project 159

IV.C. Pilot Stanford Projects 173
IV.C.1. REFEREE Project 174

IV.D. Pilot AIM Projects 178
IV.D.1. PATHFINDER Project 179

IV.D.2. RXDX Project 184
Appendix A. AIM Management Committee Membership 189
Appendix B. Scientific Subproject Abstracts 193
References 211

E. H. Shortliffe ii
5P41-RR00785-13

List of Figures

Figure I:
Figure 2:
Figure 3:
Figure 4:
Figure 5:
Figure 6: .
Figure 7:
Figure 8:
Figure 9:
Figure 10:
Figure Lt:
Figure 12:

SUMEX-AIM DEC 2060 Configuration

SUMEX-AIM DEC 2020 Configuration

SUMEX-AIM Shared DEC VAX 11/780 Configuration

SUMEX-AIM File Server Configuration

Price/Performance Comparison of Lisp Workstations

SUMEX-AIM EtherNet Configuration

Total CPU Time Consumed by Month

Monthly CPU Usage by Community

Monthly Terminal Connect Time by Community
Cumulative CPU Usage Histogram by Project and Community
TYMNET Terminal Connect Time
ARPANET Terminal Connect Time

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iii E. H. Shortliffe