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Ockham's razor of design: an heuristic for guiding design and development of a clinical information systems generator

Published: 11 November 2010 Publication History

Abstract

This paper presents a rationale, created from first principles, for the design criteria for the architecture of clinical information systems. The criteria are developed according to the heuristic axiom of Ockham's Razor, presented here for the first time and operationalised in the form of three principles; Generalization, Minimalization and Coverage. The minimal set of characteristics of the application is defined as -- the context, roles of physician, the nature of the data, the business processes, the change management program, and the criteria for success. This set of characteristics is developed to demonstrate how they define the details of a proposed architecture, which can be used to create not a clinical information system (CIS) but a generator of clinical information systems. The generator creates CISs that have the characteristics of complete user control of the design of all input and output presentations and workflow with real-time adaptability, ad hoc analytics with natural language processing of all free-text, all information automatically coded in a lingua franca terminology(s) of clinical choice, and native level interoperability between CISs An example of a CIS generated for the Trauma Service of an Australian hospital is described. The "generative" model is presented as a superset of the strategies for building best-of-breed and enterprise systems and thereby representing a new paradigm in Clinical Information System development. The parsimonious model is demonstrated by creating CISs requiring only 11 objects for designing the users interfaces along with their business logic.

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      cover image ACM Other conferences
      IHI '10: Proceedings of the 1st ACM International Health Informatics Symposium
      November 2010
      886 pages
      ISBN:9781450300308
      DOI:10.1145/1882992
      Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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      Published: 11 November 2010

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      Author Tags

      1. clinical information systems
      2. generative systems
      3. ockham's razor

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      IHI '10: ACM International Health Informatics Symposium
      November 11 - 12, 2010
      Virginia, Arlington, USA

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