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Updated: Aug 5, 2026
16:17
The ITS2 Database
Published on: March 12, 2012
The Chronus II temporal database mediator
Martin J O'Connor1, Samson W Tu, Mark A Musen
1Stanford Medical Informatics, Stanford University School of Medicine, Stanfroed, CA 94305, USA.
Proceedings. AMIA Symposium
|December 12, 2002
Summary
This study introduces Chronus II, a temporal database mediator that enhances clinical decision support systems. It enables effective temporal data querying, addressing a critical gap in medical informatics.
Area of Science:
- Medical Informatics
- Database Systems
- Clinical Decision Support
Background:
- Clinical databases contain vital temporal information crucial for decision-making.
- The medical informatics field lacks standardized methods for temporal data representation and querying.
- Temporal database research offers potential solutions applicable to clinical systems.
Purpose of the Study:
- To present Chronus II, a temporal database mediator designed for clinical decision support systems.
- To extend the relational model and SQL for robust temporal querying in healthcare.
Main Methods:
- Developed Chronus II, a temporal database mediator.
- Extended the standard relational model and SQL query language.
- Tuned a temporal query language for clinical decision support requirements.
Main Results:
- Chronus II successfully supports temporal queries in clinical databases.
- The system addresses the need for standardized temporal data handling in medical informatics.
- Demonstrated application of Chronus II to various clinical problems.
Conclusions:
- Chronus II provides an expressive temporal query language for clinical decision support.
- The mediator effectively tackles clinical problems by leveraging temporal database advancements.
- Standardized temporal data querying is essential for improving clinical decision support systems.
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