Semantic Healthcare
Transcript of Semantic Healthcare
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A semantic
information system for
Healthcare
Dr. Peter Scholten the Netherlands
Dr. Ji Jie China** In cooperation with Prof. Rung Ching Chen, Chaoyang University of Technology, Taiwan
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Semantic is the study of meaning (within some context).
Semantic web:The Semantic Web is a system that enables machines to "understand" and respond to complex human requests based on their meaning.
Semantic information system for Healthcare:Is a semantic web system based on an ontology for Healthcare.
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Better
sick
h
ealth
y
cost
s
Influence prevention, efficiency and effectivity on costs
efficiency
effectivity
Healthy Sick Better
prevention
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Nationale Atlas Volksgezondheid
Loketgezondleven.nl
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An Ontology• Defines
– a common vocabulary – a shared understanding– re-use of domain knowledge.
• Is an explicit description of a domain:– Concepts (classes, subclasses and superclasses)– properties and attributes of concepts – constraints on properties and attributes– Individuals (often, but not always)
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- Protégé: an ontology editor• RDF • OWL• SWRL• DLQuery
• RDFS• SPARQL• SQWRL
- OWL Generator (incl. Restful service based on list, rules and urls)
- W3C
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the book has a title with value "Javascript"
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the book has a title with value "Javascript"
This is the essence of RDF: the (s,p,o) triple
Any expression in RDF is a collection of triples
Subject property object
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An ontology describes the concepts in the domain and also the relationships that hold between those concepts.
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Person Married with
Jan Marleen
Peter Roos
Person Jan is Married with Marleen.
With who is Marleen married ?
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Diseases SymptomshasSymptom
isSymptomOf
An inverse property: hasSymptom is inverse of isSymptomOf
class class
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OWL properties
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disease
Symptom 1
Symptom 3
Symptom 2
isSymptomOf
hasSymptomhasSymptom
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disease
Select symptom
Candidate symptom
Candidate symptom
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disease 1
Select symptom
Candidate symptom
Select symptomdisease 2
Candidate symptom
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disease 1
Select symptom
Candidate symptom
Select symptomdisease 2
Candidate symptom
url2
url5
url3
url4
url1
url6
url4
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What can be wrong with me,I feel drye throut.
Symptom checker
query
result
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Do you have one or more of the next symptoms
Symptoms of Laryngitis Symptoms of sore-throat
Disease 2Select symptom
Candidate symptom
Candidate symptom
Disease 1
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Qualification
Allergy
Symptom
Treatment
Self treatment Specialist
No treatment
Medicine
“repaired”
Orthose
Prothese
Address
DiseasesPrevention
Patient
Influence factor
Suppliers
Causes
Semantic health care system
Health Improvement
Shared experiences
Individu
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Question: Can I use medicine for it?
Query: Medicines and canCure value Laryngitis
Answer: No medicine found Suggestion: Look at Url1, Url2, … or contact your doctor
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Question: Where can I find a good family doctor?
Query: Professionals and hasProfession value family doctor
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Complex example
Question: What can be wrong with me, I feel fatigue.
Query: Diseases and hasSymptoms value “fatique”
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158 diseases found
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Symptom checker
Fatigue + Extreme-hunger => ‘Possible’ Diabetes
By interaction with symptom checker:
=> High risk Diabetes
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Conclusion:
Some symptoms are so vague or complex (relations with more diseases) or in cases of multimorbidity that using a Symptom Checker can improve the quality of the diagnoses.
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Question: What kind of medicine can help me?
Query: Medicines and canCure value Diabetes
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Decision Support System
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Traditional approach
Semantic Application Health Care
Query Constructor Natural language
Semantic approach
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Problem
Question
Fine tuning
NLP processor
Start / end class based on k-nearest neighbour classifier
Calculate route
Feedback by expert
Query
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Demo:
• Symptom Checker
• Decision Support System
• Query constructor based on NLP