[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Musings on the fundamental nature of data
On Mon, Apr 29, 2013 at 2:26 PM, Costello, Roger L. <costello@mitre.org> wrote: > > Assertion: The most fundamental issue with data exchange is: > > What worldview do you want replicated? I fully support this assertion. In some (most?) domains though these are not static views. Specifically in the domain of healthcare (ignoring the fact that domain experts prefer you to just [expletive deleted] the knowledge from their brain). When dealing with the healthcare record of a single person over their lifetime, it is vitally important to capture 'data' in the context that it was created combining the ontological, temporal and spatial contexts along with the data into an artifact that can be called information. Static data models do not work in this environment because not only does time pass, the patient changes and is in various geographical contexts. The science changes as well. You cannot migrate the data into new ontological contexts and still have it be valid as it was captured. This has led to the multi-level modelling approach using a generic reference model and domain models that can vary over time. I'm sure this can be helpful to other domains but man made domains do not seem to be as complex as evolutionary domains. Evolution has had millions of years to work on the models and they are designed to be as complex as necessary whereas man made models are designed to be as simple as possible. --Tim
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