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DAWAK
2006
Springer

Integrating Different Grain Levels in a Medical Data Warehouse Federation

10 years 7 months ago
Integrating Different Grain Levels in a Medical Data Warehouse Federation
Healthcare organizations practicing evidence-based medicine strive to unite their data resources in order to achieve a wider knowledge base for sophisticated research and matured decision support service. The central point of such an integrated system is a data warehouse, to which all participants have access. In order to insure a better protection of highly sensitive healthcare data, the warehouse is not created physically but as a federated system. The paper describes the conceptual design of a health insurance data warehouse federation (HEWAF) aimed at supporting evidence-based medicine. We address a major domain-specific conceptual design issue: the integration of low-grained, timesegmented data into the traditional warehouse, whose basic grain level is higher than that of the time-segmented data. The conceptual model is based on a widely accepted international healthcare standard. We use ontologies of the data warehouse domain, as well as of the healthcare and pharmacy domains, to...
Marko Banek, A. Min Tjoa, Nevena Stolba
Added 22 Aug 2010
Updated 22 Aug 2010
Type Conference
Year 2006
Where DAWAK
Authors Marko Banek, A. Min Tjoa, Nevena Stolba
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