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BMI 211 01.26.10

BMI 211 01.26.10 - Effective Design in Clinical Informatics...

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Effective Design in Clinical Informatics BMI 211/CS 271 Amar Das Assistant Professor Medicine (Biomedical Informatics)
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Mid-quarter presentation 10 minutes talk + 5 minutes questions Focus on your design work to date Field study approach Problem statement Use case scenario Prototype effort
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Course Lectures Week 2: Requirements analysis Week 3: Functional specification and design Week 4-6: System architecture Week 7-8: Human-system interaction Week 10: Industry perspectives
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System Back-End Issues Where does the data come from? Will your methods adapt to different databases? What knowledge source will you use? Can your methods use a different source? Do you plan to combine data (knowledge) from multiple databases (knowledge bases)?
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Design Issues Integrating existing software components, their data and knowledge Developing well-defined models for describing the system design in terms of these components
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Decision Support Example Hospital mergers lead to the acquisition of multiple legacy clinical information systems The CIO wants to transfer programs built for one system to another system
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Hospital A Decision Support Example Database A Database B Database C Application Application Application Hospital B Hospital C
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Problems with Heterogeneity There are multiple ways to specify the same or related concepts and their semantic associations System builders define the semantics of a model that best suits a particular task Data and knowledge represented in different systems cannot readily be shared
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DoseChecker Example Rule-based system for determining whether patients are receiving excessive or insufficient drug dosing Data inputs Patient data (demographics, laboratory tests) Drug information (static and temporal)
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