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A Loosely Coupled Framework for Terminology Controlled Distributed EHR Search for Patient Cohort Identification in Clinical Research
Lei Zhao, Sarah N. Lim Choi Keung, Adel Taweel, Edward Tyler, Ire Ogunsina, James Rossiter, Brendan C. Delaney, Kevin A. Peterson, F.D. Richard Hobbs, Theodoros N. Arvanitis
519 - 523
10.3233/978-1-61499-101-4-519
Studies in Health Technology and Informatics
Volume 180: Quality of Life through Quality of Information
Abstract

Heterogeneous data models and coding schemes for electronic health records present challenges for automated search across distributed data sources. This paper describes a loosely coupled software framework based on the terminology controlled approach to enable the interoperation between the search interface and heterogeneous data sources. Software components interoperate via common terminology service and abstract criteria model so as to promote component reuse and incremental system evolution.

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