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Re: [ontolog-forum] Relating and Reconciling Ontologies [Legacy Systems]

To: "[ontolog-forum] " <ontolog-forum@xxxxxxxxxxxxxxxx>
From: David Eddy <deddy@xxxxxxxxxxxxx>
Date: Thu, 21 Apr 2011 16:05:11 -0400
Message-id: <F9B6E6FB-D7B4-42A7-BF6B-9E0B67B42CA1@xxxxxxxxxxxxx>
John -    (01)

On 2011-04-21, at 9:50 AM, John F. Sowa wrote:    (02)

> At that level of detail, we agree.  But the framework must support
> existing systems, future systems, and people at all levels of
> education.  (And even experts in one field are novices in others.)
>   1. There are trillions of dollars of legacy software that run the
>      world economy.  It won't be replaced for a long, long time.
>   2. Anything that replaces a legacy system has to interoperate with
>      it during a long period of transition.  In fact, most systems
>      that replace a legacy system build on and extend the implicit
>      ontology in the old system.
>   3. Anything that depends on people using unique identifiers must
>      address the problem that even experts in a subject can't agree
>      on what codes or categories to assign.    (03)

I thought the mundane issue of "legacy systems" was taken off the  
ontology table as irrelevant?    (04)

Did I miss something?    (05)

David Eddy
deddy@xxxxxxxxxxxxx    (06)

781-455-0949    (07)

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