Knowledge managementneedsinprescriptionmedicationprocess
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Knowledge Management Needs in Prescription-Medication ProcessAllahyari Nooshin, Das Aby.March 30, 2011 1
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Agenda
•The Current Process•Knowledge Identification•Portfolio of Systems•Selected Portfolio•Modeling and Analysis of KM Information Technologies •Role of Ontologies
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Motivation
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Motivation (cont.)
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Problematic Prescription
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The Current Process–Flow Diagram
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The Current Process – Logical DFD at Level Zero
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The Current Process – Logical DFD at Level One
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The Current Process – Logical DFD at Level One (cont.)
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The Current Process – Strategic Dependency Model
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i* Model10
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Possible scenarios to decrease preparation errorsPossible Scenario Advantage Disadvantage
Automated System Decreases human errors.
Cost
E-Bulletin for guidelines Aids pharmacist’s decision
Outdated, Time consuming.
Forums Pharmacist’s can contribute experiences with other pharmacists.
Time consuming, Lack of incentives.
Human-Factor Engineering
Improves efficiency Not periodically updated.
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But preparation depends on the pharmacist …
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Knowledge Identification
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Roles, Responsibilities, and Dependencies
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Current Knowledge Stores• Pharmacy Local Database• Stores customer customer information, prescription information,
and inventory of drugs. • Physical Prescription • Drug information, dosage.
• Indexing System• Locates drug information, patient history in pharmacy
• Physician’s Database• Physician’s access to patient’s records
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Knowledge Management Portfolio• Decision Support System (DSS)• Provide expert knowledge to aid pharmacist’s decision.
• Electronic Publishing System • Access to patient information using electronic means.
• Web Portal• Provides access to tools like wikis, form, email, search, and
retrieval tools.• Intranet• Facilitates access to patient past prescription and records across
different pharmacies.
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Selected Portfolio
• Decision Support System (DSS)
• Electronic-Prescription (EP or E-Prescription)(combines with Electronic Publishing System)
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Modeling and Analysis of Selected KM Technologies
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DSS
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E-Prescription
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Change in dependencies
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SD Model before EP
SD Model after EP
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Interaction of actors and stakeholders with DSS
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Goal Evaluation for DSS technology
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Interaction of actors and stakeholders with E-Prescription
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Goal Evaluation for EP technology
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Impact of Employed Technology on each other
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Temporal and Spatial Context
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Role of ontologies
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Why Ontologies?
• Unified Healthcare System• Ontologies can explicit conceptualize the semantics of the data • Ontologies can make deductions and reasoning.
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What do ontologies do?• Ontology application are classified into:• Semantic integration• Search• Decision Support System(DSS).
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Which languages?• RDF• RDF schema• OWL• Rules• KIF• Common Logic• FOL
Powerful logical languages
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Conceptual Graph
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Relationship between diseases, drug, and instructionsFor all (x)
(If disease(x) (exists (y) exists (z) and ( and medicine(y) has_medicine(x,y))
(and instruction(z) has_instruction(x,y,z)))).
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Physician, Pharmacist, and EP RelationshipFor all(x) (iff prescription(x) (exists(y) exists(z) and (and Physician(y) prescribed_by(x,y)) (and pharmacist(z) used-by(x,z)))).
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Drug prescription error
For all(x) (if Disease(x)
( not exists (y) (and medicine(y) has_medicine(x,y)) (exists(z) exists (w) ( and message(z) physician(w) has_ message(x,w,z)).
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Benefits of Using our Ontology• It does not have other languages or ontologies constraints • all other semantic web languages are constriction of FOL.
• It is powerful in making deduction and reasoning• It could make inference between different ontologies.
Horrocks et al. (2005), Semantic Web Architecture: Stack or Two Towers?
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Ontology Structure• Our ontology is using different existing ontologies and using
ontology mapping techniques to connect them to each other. • WSMO (Web Services Modeling Ontology)• DOPE (Drug ontology)• Disease ontology
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WSMO (Semantic Web)
Romana et al. (2005) , Web Service Modeling Ontology
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Questions?
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Thank You!
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