Re: [xml-dev] Invoices (was Re: [xml-dev] XML's greatest culturaladvanta

[Ihe Onwuka <ihe.onwuka@gmail.com>]

On Fri, Apr 12, 2013 at 3:12 PM, Sean McGrath <sean.mcgrath@propylon.com> wrote:
> [John Cowan]
>
>>What I must understand to do what I want with a document has nothing to do
>> with what you must
>>understand to do what you want.   And perhaps neither of us have purposes
>> that were foreseen by the publisher.
>
> Amen. To paraphrase the Bard of Avon, structure is in the eye of the
> beholder.
>
> I had the good fortune early in my career to be exposed to Jackson
> Structured Programming[1]. With Jackson, you create a *brand new data model*
> every time to sit down to process some data. The data model chosen as the
> input data structure is rarely the schema used by the creator of the data.
> Rather, it is a supervenient data model that can be mapped to the data, but
> it completely distinct from the data.
>

Since this is the week for wrestling metaphors........the best there
is, was and ever will be.