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Thread: Primary among alternates Re: WAS: Visible Data




Primary among alternates Re: WAS: Visible Data
user name
2006-10-29 01:19:39
Hello,

Just to throw in my 2 cents...

If that's the problem, then I'd suggest that this would be
better
solved with non-Microformat Semantic HTML.

Specifically....

The HTML <link> elelemt could be used with
rel-alternate to mark the
alternate versions.

And the HTML <link> element could be used with
rel-bookmark to mark
the preferred URI.

So, for example...

<link rel="bookmark" type="text/html"
href="http://
www.foo.com/toyota/4runner/1999/" />

<link rel="alternate"
type="text/html"
href="http://
www.foo.com/toyota/1999/4runner/" />
<link rel="alternate"
type="text/html"
href="http://
www.foo.com/1999/toyota/4runner/" />


(You probably would NOT want to include the <link> to
the URI that you
are actually on though.)


See ya

On 10/27/06, Dr. Ernie Prabhakar <drernieopendarwin.org> wrote:
> Hi MIke,
>
> I think we may the victim of a major miscommunication,
aggravated by
> the choice of subject.  Let me start over, to see if I
understand.
>
> > resolve this one specific use case.)  Consider
these three URLs:
> >
> >       http://www.fo
o.com/toyota/4runner/1999/
> >       http://www.fo
o.com/toyota/1999/4runner/
> >       http://www.fo
o.com/1999/toyota/4runner/
> >
> > Assuming they point to the same basic content but
have different
> > breadcrumbs:
> >
> >       Home >> Toyota >> 4Runner
>> 1999
> >       Home >> Toyota >> 1999 >>
4Runner
> >       Home >> 1999 >> Toyota >>
4Runner
>
>
> Given your use case, you are trying to distinguish
between various
> human-clickable links that point to the same resource. 
 You want to
> mark one as "preferred" or
"default" while still making it clear that
> the other links are alternate views of -- or rather,
routes to -- the
> same content.
>
> Is that a reasonable formulation of your problem?
>
> When put that way, this sounds like very analogous to
"alternates":
>
> http://microformats.org/wiki/alternates-brainstorming
>
> While the context is different, I think the semantic
load is very
> similar.  The difficulty I have is that -- at least the
way I
> understood your description, I have difficulty
imagining a page where
> I see all three at the same time.  Given that, it is
hard for me to
> understand *where* the information would be encoded, as
your proposed
> footer:
>
> >       This page is a duplicate of <a
> > href="http://
www.foo.com/toyota/4runner/1999/"
> >
rel="primary">www.foo.com/toyota/4runner/1999/&
lt;/a>.
>
> feels (at least to me) somewhat contrived.   It is
precisely that
> difficulty in conceptualizing concrete use cases that
makes me feel
> like this isn't a viable candidate for the microformat
process.
>
> However, I'm willing to be proved wrong. If you could
perhaps give me
> a link to a single real-world web page that -- in
itself -- needs
> this solution, then I might feel we could actually help
you.
>
> Otherwise, this sounds like more a matter of using
appropriate HTML
> head tags to link the page against some authoritative
metadata, e.g.
> where multiple pages link to an authoritative GUID with
different
> "rel" attributes.  But if that's what you
want to do, then this group
> doesn't have a core competency in that area, so we may
not be the
> appropriate place to discuss that.
>
> Does that make sense?
>
> Best,
> -- Ernie P.
>
>
> On Oct 27, 2006, at 12:46 AM, Mike Schinkel wrote:
>
> > Let me give another example for this
> > use-case (although I'm learning there may be
existing things in
> > HTML to
> > resolve this one specific use case.)  Consider
these three URLs:
> >
> >       http://www.fo
o.com/toyota/4runner/1999/
> >       http://www.fo
o.com/toyota/1999/4runner/
> >       http://www.fo
o.com/1999/toyota/4runner/
> >
> > Assuming they point to the same basic content but
have different
> > breadcrumbs:
> >
> >       Home >> Toyota >> 4Runner
>> 1999
> >       Home >> Toyota >> 1999 >>
4Runner
> >       Home >> 1999 >> Toyota >>
4Runner
> >
> > However, there really are the same page and I'd
like to be able to
> > say that
> > one of them is the "primary" or
"authoritative" one (the website
> > owner would
> > decide which one) and in the two that are not
"primary" or
> > "authoritative"
> > they would point to the one that is.  It's
possible that you could
> > have the
> > following visible on the page:
> >
> >       This page is a duplicate of <a
> > href="http://
www.foo.com/toyota/4runner/1999/"
> >
rel="primary">www.foo.com/toyota/4runner/1999/&
lt;/a>.
> >
> > As I said, this is but one example of data that
helps describe a
> > page that I
> > can envision I will need and that I believe could
benefit the web
> > in general
> > if it exists. I wish I had fleshed out my other
examples at this
> > point but I
> > haven't yet, and I certainly don't want to get the
shot down because I
> > present them prematurely prepared.


-- 
    Charles Iliya Krempeaux, B.Sc.

    charles  reptile.ca
    supercanadian  gmail.com

    developer weblog: http://ChangeLog.ca/
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