an ihtsdo perspective for cimi/shn on information modeling and terminology activities david markwell...
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An IHTSDO perspective for CIMI/SHN on information modeling
and terminology activitiesDavid Markwell
Head of Implementation & EducationIHTSDO
International Health Terminology Standards Development Organisation
Changes in IHTSDO
New CEO Don Sweete “IHTSDO is open for business”
Key focus on Customers – the 26 Members of IHTSDO More internal capacity reduced external dependencies
Implementation & Education
Staff David Markwell Linda Bird Tom Seabury
SNOMED CT Implementation Advisor Scheme Six people on 2014 SIA Scheme Eleven people went through SIA scheme in 2012 & 2013
In 2014 main focus of Implementation & Education Information models, analytics, terminology binding &
expressions Adoption, adaption and sharing of subsets
Represented as Simple Refsets Need for descriptive data about sharable resources
Online education Presentations and skills assessments
Useful EHR systems don’t just display raw data, they also deliver derived knowledge about the current situation
… but , a chess board view derived from that record of moves makes the current situation understandable
1. d4 Nf6 2. c4 g6 3. Nc3 Bg74. e4 d6 5. Be2 e56. dxe5 dxe57. Qxd8 Kxd8 8. f4 Nfd7 9. Nf3 c6 10. O-O exf4 11. Bxf4 f6 12. Rad1 Ke8 13. e5 fxe5 14. Bg3 Nc5
15. Bxe5 Bxe5 16. Nxe5 Be6 17. b4 Ncd7 18. Nf3 Ke719. Ng5 Nf8 20. Nxe6 Nxe621. Bg4 Nd7 22. Rde1 Ndf8 23. Ne4 Nd8 24. Nc5 Kd625. Rf6 Kc7 26. Re7 Kb8 27. Rxb7
A record of the full history of moves in a chess game may not help a player choose his next move
Geographic knowledge linkage
A map, a satellite view, crime statistics, photographs, local restaurants
Linked knowledge in action
Longitude and latitude provide a common reference model for geographic information that we now take for granted
Journeylog
Drive times
Inference
Road conditions
Knowledge
Route advice and local information
Driving
Routeselection
Latitude&
Longitude
Satellite mapping
A common coordinate systemfor navigating the knowledge cycle
EHR
Aggregation
Repositories
Inference
Knowledge
Decision Support
Patient Care
Data Entry
SNOMED CT
Research
Recognising interdependencies
Practical consequences of interdependency between terminology and structural information models are often underestimated Information models cannot be terminology neutral SNOMED CT implementation is dependent on tight integration with
standard information models Developers of clinical terminologies and clinical information models
should adopt policies that facilitate ‘dependency aware evolution’ of their contributions
8www.ihtsdo.org
IHTSDO Concept ModelSpecial Interest Group April 2008
There must be collaborative development between the SNOMED CT Concept Model and an information model in order for effective implementation of SNOMED CT
How many bridges?How many bridge building techniques?
IHTSDO … open for business on information models and terminology binding
Information modelling and terminology binding is on the IHTSDO work plan for 2014
Additional strength in the team Linda Bird joining as Implementation Specialist + several SIAs with relevant skills and experience
but … Which group(s) to work with and how
Puzzling questions for IHTSDO!
Who to work with? How many groups to work with? Which model/pattern representations? (prefer ONE) Which representation of terminology components?
Precoordination – one code Postcoordinated expressions Postcoordination in models
How much of the model interests IHTSDO? Terminology of course … but also structural elements impact semantics
… where are the boundaries Very little interest in demographics
There are big mountains to climb …
What our customers need
What do IHTSDO Members need? Meeting immediate needs Simplification without compromise
What are the clinical use cases? Many and varied but they follow several common patterns
What are the vendor drivers? Need scalable implementation approach Growth of market plus … retention or growth of market share Improvement of SNOMED CT while avoiding disruptive change Stepwise implementation from simplistic code use to rich
semantics An accessible base-camp and a route towards a summit
Resources for your interest
▪ SNOMED CT Starter Guide … not just for beginners … a great refresher▪ www.snomed.org/starterguide_gb.pdf (A4 GB English)▪ www.snomed.org/starterguide.pdf (US Letter US English)
▪ SNOMED CT Challenge (online test). ▪ How well do you know SNOMED CT?▪ www.snomed.org/challenge
▪ SNOMED CT In Use … example of use … add ones you know about▪ www.snomedinaction.org
▪ SNOMED CT Browsers … a list of browsers▪ www.snomed.org/browsers
▪ SNOMED CT URI Specification▪ IHTSDO Public Consultation on SNOMED CT URI Standard▪ http://www.ihtsdo.org/news/news-article/article/ihtsdo-public-consultation-on-snomed-
ct-uri-standard/
▪ IHTSDO’s own tools in development (Open Tooling Framework)▪ OTF development - http://ihtsdo.github.io/ ▪ Browser - http://browser.ihtsdotools.org▪ API documentation
▪ Mapping - http://mapping.snomedtools.org/mapping-rest/index.html▪ Query Module - http://api.snomedtools.com/otf/
▪ SNOMED CT Showcase – Amsterdam 30-31 October ▪ – CALL FOR PAPERS (2nd May)
