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. Author manuscript; available in PMC: 2017 Oct 1.
Published in final edited form as: Int J Med Inform. 2016 Jul 29;94:271–274. doi: 10.1016/j.ijmedinf.2016.07.009

Figure 1. Overview of ETL Process and Sample Dataset Extraction.

Figure 1

IDR data extracted, transformed, and loaded (ETL) from source systems (Medsite and EpicCare). Sample dataset generated from IDR for comparison with source systems. Comparison done by Health Information Management staff member who used the source system’s user interfaces (UI) to validate data contained within their respective databases (DB).