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Full-Text Articles in Medicine and Health Sciences

A Process For Achieving Comparable Data From Heterogeneous Databases, Rachel L. Richesson Jan 2003

A Process For Achieving Comparable Data From Heterogeneous Databases, Rachel L. Richesson

Dissertations and Theses (Open Access)

The current state of health and biomedicine includes an enormity of heterogeneous data ‘silos’, collected for different purposes and represented differently, that are presently impossible to share or analyze in toto. The greatest challenge for large-scale and meaningful analyses of health-related data is to achieve a uniform data representation for data extracted from heterogeneous source representations. Based upon an analysis and categorization of heterogeneities, a process for achieving comparable data content by using a uniform terminological representation is developed. This process addresses the types of representational heterogeneities that commonly arise in healthcare data integration problems. Specifically, this process uses a …