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Healthc Inform Res > Volume 15(4); 2009 > Article
Journal of Korean Society of Medical Informatics 2009;15(4):403-410.
DOI: https://doi.org/10.4258/jksmi.2009.15.4.403    Published online December 31, 2009.
Simulation of a Multiversion Medical Data Management System for Medical Information Security
Hyuncheol Jeong
Department of Hospital Information Management, Gwangju Health College University, Korea.
Correspondence:  Hyuncheol Jeong,
Received: 31 August 2009
Abstract

Objective: If medical information is integrated for management purposes, the efficiency of the system may increase. In addition, diagnostic abilities of physicians may be improved through the increased speed and accuracy of information processing. Medical databases must ensure high performance in terms of speed and reliability. In addition, access to medical information must be restricted to persons with proper authorization to ensure the privacy of patients.

Methods: Thus, the security of medical database systems with multiversion data requires both the existing management system and security policies.

Results: This study simulates the performance of a dynamic multiversion data management system in terms of security levels and update operations.

Conclusion: The results show that a dynamic multiversion data management system increases disk availability more than a double version system. In addition, if the number of security levels is small, throughput will be improved because the security overhead will be low. However, frequent update operations will decrease throughput whenever versions are created at each interval.

Key Words: Medical Information, Database, Information Security, Multiversion, Simulation


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