Architecturing large integrated complex information systems: an application to healthcare |
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Authors: | Daniel Pascot Faouzi Bouslama Sehl Mellouli |
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Affiliation: | (1) Medical Imaging Informatics Group Department of Radiological Sciences, David Geffen School of Medicine University of California, Los Angeles, 924 Westwood Blvd., Suite 420, Los Angeles, CA 90024, USA;(2) Department of Radiology, Veteran’s Administration Wadsworth, Los Angeles, California, USA |
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Abstract: | The global enterprise-wide approaches help organizations to model and understand the enterprise key components and their relationships
and manage the organizations’ transformations and change. However, many of these approaches lack of insights into how to manage
complexities related to the multitude of applications developed in silos such as the various systems in health organizations
that were designed independently from each other. This paper contributes to the solutions addressing this issue by proposing
a methodology and tools to create foundations based on key components to help develop the information architecture at the
heart of the enterprise architecture that can guarantee the evolution of the organization. These core components are a set
of reusable Field Actions representing the non-contextual persistent information, a common canonical Corporate Conceptual
Data Model capturing all the vital data in the organization, and Views or sub-schema of this global data model that represent
information for different stakeholders in the organization. To show the effectiveness of the proposed approach and to gain
more insights into its practical value, the architecturing approach is applied in the healthcare domain to create the information
architecture and the enterprise architecture for the Quebec healthcare network. |
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