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Related Experiment Videos

Integration of Web-based and PC-based clinical research databases.

C A Brandt1, K Sun, P Charpentier

  • 1Center for Medical Informatics, Yale University School of Medicine, 300 George St, Suite 501, New Haven, CT 06511, USA. cynthia.brandt@yale.edu

Methods of Information in Medicine
|July 1, 2004
PubMed
Summary

The Geriatrics Research Instrument Library (GRIL) integrates data from multiple geriatric health studies, enabling researchers to easily find and use measurement instruments for data collection and management.

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Area of Science:

  • Geriatric health research
  • Health informatics
  • Data management

Background:

  • Multi-factorial geriatric health conditions require standardized measurement instruments.
  • Existing clinical study data management systems lack unified instrument libraries.
  • A need exists for a centralized, accessible repository of geriatric health measurement tools.

Purpose of the Study:

  • To develop a Web-based repository, the Geriatrics Research Instrument Library (GRIL).
  • To integrate features from separate clinical study data management systems.
  • To facilitate browsing, searching, and selection of measurement instruments for geriatric health studies.

Main Methods:

  • Created a common semantic model for database integration.
  • Mapped existing systems to the unified model.

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  • Identified and resolved database schema conflicts (table and attribute levels) using a conflict taxonomy and mapping schema.

    • Main Results:

    • Successfully developed and launched the Geriatrics Research Instrument Library (GRIL).
    • Resolved critical table-level conflicts, including name and relationship differences.
    • Enabled users to print selected instruments or generate downloadable microcomputer database applications.

    Conclusions:

    • Integration of applications allows for feature sharing and cross-fertilization.
    • Metadata model unification is essential for successful application integration.
    • GRIL enhances data collection and management for geriatric health research.