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Related Experiment Videos

A component-based problem list subsystem for the HOLON testbed. Health Object Library Online

V Law1, H S Goldberg, P Jones

  • 1Center for Clinical Computing, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA.

Proceedings. AMIA Symposium
|February 3, 1999
PubMed
Summary

The HOLON project developed reusable software components for clinical information systems. This work integrated enterprise terminology services into a Problem List subsystem, overcoming challenges with emerging technologies.

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Area of Science:

  • Health Informatics
  • Software Engineering
  • Clinical Information Systems

Background:

  • The HOLON project aims to create a reference architecture for clinical information systems.
  • A key challenge is identifying reusable software components for developers.
  • Component-based architectures offer potential for developing reusable clinical subsystems.

Purpose of the Study:

  • To explore component architectures for reusable clinical subsystems.
  • To integrate enterprise terminology services into a Problem List subsystem.
  • To implement and evaluate CORBA and Java-based components for clinical information systems.

Main Methods:

  • Developed a Problem List subsystem for the HOLON testbed.
  • Incorporated enterprise terminology services and the Unified Medical Language System (UMLS).

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  • Utilized CORBA (Common Object Request Broker Architecture) and Java distributed object technologies.

    • Main Results:

    • Successfully implemented a functional problem list application.
    • Developed a UMLS-based "Problem Picker" component.
    • Overcame obstacles associated with rapidly emerging technologies.

    Conclusions:

    • Demonstrated the feasibility of using CORBA and Java for reusable clinical components.
    • Identified architectural considerations for scaling components within enterprise systems.
    • Highlighted the value of integrating terminology services for clinical applications.