[Sigia-l] scheme v. schema

[Frank Shepard]

I was just suggesting that, historically speaking, the distinction
between these two terms might be the reverse of your usage. For
instance, architectural plans are (or used to be) called "schemes",
while "schema" has had various technical usages suggesting
"precondition" or rule. Of course, the two are closely related -- they
have both been used to refer to drafts -- and so there is no clear-cut
difference here.

Best,
Frank

On 8/8/07, Ruth Kaufman <ruth.kaufman at gmail.com> wrote:
> Hmm, by "deliverable", I don't mean a deliverable to an end-user, but
> rather, something specific and referenceable. Does that distinction
> help? Also, I don't see this as IA, per se... I think of it more as
> data architecture, influenced by and with implications for the user
> experience design.
>
> So the schema would include aspects of the data model (probably not
> all of it), plus references to sets of allowed values for elements of
> the data model that are variable (e.g,. facets)....
>
> Whereas a "scheme" would be the concepts behind the end-product schema
> -- the creative and business direction that ultimately yield the
> design and production of the detailed schema.
>
> Right? Or am I still missing something?
>
> TIA,
> Ruth
>
> On 8/8/07, Frank Shepard <fgshepard at gmail.com> wrote:
> > Historically speaking, "schema" has been used to refer to drafts,
> > hypotheses, diagrams, etc. And in philosophy, it refers to an a priori
> > form or rule. So it might be a stretch to use it to refer to an
> > end-product or deliverable. At least if you are concerned with being
> > consistent with its general usage. I can't speak for its deployment in
> > IA in particular.
> >
> > Frank
> >
> > On 8/8/07, Ruth Kaufman <ruth.kaufman at gmail.com> wrote:
> > > Greetings,
> > >
> > > I need to craft a statement that explains the difference between the
> > > notion of a scheme and a schema -- as in classification scheme v.
> > > schema (not XML schema, per se).
> > >
> > > The context: I'm preparing a workshop for content strategists about
> > > classification and taxonomy work and deliverables. This statement will
> > > be included in the training materials, and I will also do my best to
> > > use the nomenclature consistently in my ongoing communications.
> > >
> > > My thinking is that 'scheme' is a more general, "plain English" term
> > > for things and ideas that resemble an information classification
> > > concept, model or plan. Whereas a 'schema' is an artifact or
> > > deliverable -- a scheme that is documented and implementable.
> > >
> > > Does this sound right? Other considerations?
> > >
> > > Thanks in advance!
> > >
> > > Ruth
> > > ------------
> > > IA Summit 2008: "Experiencing Information"
> > > April 10-14, 2008, Miami, Florida
> > >
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