Re: Relations as Repeating Groups & Namespaces

From: x <x-false_at_yahoo.com>
Date: Fri, 4 Jun 2004 09:28:06 +0300
Message-ID: <40c015b9@post.usenet.com>

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"Dawn M. Wolthuis" <dwolt_at_tincat-group.com> wrote in message news:c9o2en$vde$1_at_news.netins.net...
> "x" <x-false_at_yahoo.com> wrote in message news:40bf6328$1_at_post.usenet.com...
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> >
> > "Dawn M. Wolthuis" <dwolt_at_tincat-group.com> wrote in message
> > news:c9ni4h$ial$1_at_news.netins.net...
> > > "x" <x-false_at_yahoo.com> wrote in message

> news:40bef890_at_post.usenet.com...


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> > > >

> > > >

> > > > "Dawn M. Wolthuis" <dwolt_at_tincat-group.com> wrote in message

> > > > news:c9m55r$k99$1_at_news.netins.net...

> > > <snip>

> > > > Hierarchical  namespaces tend to be dependent on the applications.

> > > > Hierarchical namespaces tend to classify *things*.

> > > > We need a method general enough to deal with any kind of facts.

> > > > But I agree that "labeling" is one of the human abilities.

> > >

> > > The entire logical model is interwoven with the applications (such as
> > > mountain man) with namespaces being no different. We separate out
root
> > > nodes for namespaces based on different companies or subsidiaries or
> > > divisions.
> >
> > > Why do we have different rules for namespaces depending on where they

> are

> > in
> > > the namespace tree? Is there any logic to that? Associate with any
> > > relation name the same things you associate with a schema (root

> namespace)

> > > and you have a more elegant structure, it seems (by being consistent).
> > XML
> > > permits relations nested to any level. There is a point where it

> becomes

> > > confusing semantically (that's where some products cut off the

> hierarchy)

> > > but it surely is not at the level of relations. Permitting relations
> > within
> > > any namespace (including within a relation) seems reasonable.
> >
> > What namespaces have to do with nested relations ?
> > A nested relation is a nested "structure" not just nested names.

>
> Within "this" namespace what are you permitted to name?  The answer is
> different at the root level than at the relation level.  Why?  --dawn

You are permitted to name what it is at that level. You cannot name anything else.

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Received on Fri Jun 04 2004 - 01:28:06 CDT