Transcript Access to Information Sources through Controlled Vocabulary

Access to Information Sources
through Controlled Vocabulary
James J. Cimino, M.D.
Department of Medical Informatics
Columbia University
old slides
• type 2, 3 and 4
• medline button screens
One-Stop Information Shopping?
Community
Practitioner
World Wide Web
(The Hyperdocument)
Information
Resources
Bibliographic
Database
Textbook
Expert
System
One-Touch Information Shopping
Community
Practitioner
World Wide Web
(The Facilitator)
Information
Resources
Bibliographic
Database
Textbook
Expert
System
Building Infobuttons to the Web
Patient
Data
User
Profile
Care
Setting
Context
Query
Generator
Query
Selection
Source
Selection
Query
Transfer
Results
Retrieval
Method 1 - Use the Data
• Extract concepts directly from patient data
Clinical Information System
Cholesterol
Level
Pulmonary
Congestion
Cholesterol Guideline
Cholesterol
Level
Medline
Pulmonary
Congestion
Webpath
Pulmonary
Congestion
Screen shots - 10
•
•
Cholesterol results to guideline
– chem20
– What diet?
– Recommendation lipid lowering agent
X-ray reports to variety of Web resources
– X-ray report
– Findings
– Questions
– Medline results
– Medline abstract
– second set of questions
– Webpath
Method 2 - Link Data to Source
• Use literal data associated with concepts
Clinical Information System
Digoxin 0.125mg Tab
Drug/Diet Interactions
DIG.html
Digoxin 0.125mg Tab
Interaction Code: "DIG"
Trade Name: "Lanoxin"
Medical Entities Dictionary
Physician's Desk Reference
Lanoxin
Tablets
more screen shots - 4
•
Patient medications to drug references
– drug order
– diet info
– PDR
– PDR
Method 3 - Get Related Concepts
• Extract concepts directly from patient data
Clinical Information System
Cholesterol Level
Medline
Cholesterol
Cholesterol Level
Cholesterol
Hypercholesterolemia
Medical Entities Dictionary
DXplain
Hypercholesterolemia
screen shots galore - 7
•
•
Laboratory tests to Medline
– Chem20
– Question list
– DXplain Diseases (list)
– DXplain Disease (result)
Laboratory tests to DXplain
– Chem20
– List of findings
– Differential diagnosis
Conclusions
• Controlled vocabularies help:
– predict information need
– select appropriate resource
– automate the query process
• The Web makes the rest easy
• One-touch shopping: improves usability
• Lowering barriers to use improves
usefulness
Acknowledgments
• Gai Elhanan
• Socrates Socratous
• Qing Zeng
• National Library of Medicine
www.cpmc.columbia.edu/cisdemo/infobutton