[uf-discuss] rev'ing rel-directory
brian.suda at gmail.com
Mon Jul 31 07:24:08 PDT 2006
The whole rel/rev is a facinating concept. A while ago i had a few
discussions with the guys setting-up http://folksr.de/ they are
working on a distributed voting system. They are using
rev="vote-for", so people would add a vote-link to a page they
specificed, then as they got referrers they would crawl the pages and
get vote-value from the rev. In this case REV is correct, "This pages"
is a "vote-for" that "other page", but what they also wanted to do was
collect a list of everyone who voted for a given page and display it
on that page (sort of trackbacks). Now in that case REL would be
correct. "That page" is a "vote-for" "this page", so depending on your
vantage point, it is REL or REV.
The rel-directory would work in a very similar fashion. Rel to get
into the dir, but the dir is rev'd back to you.
 - http://www.artweb-design.de/articles/tag/microformats
On 7/30/06, Chris Messina <chris.messina at gmail.com> wrote:
> For this transclusion stuff, there are two promising projects that I
> think we should all look at...
> First is PopupPoliticians, which uses the rel-tag to pull up remote
> information about politicians:
> The second is a new and very excellent WordPress plugin that captures
> onclick events to dynamically repopulate divs on a page:
> These two things show the promise of getting remote content into a
> page... either from the current domain or a remote one.
> Being able to do something similar with group membership (i.e. I link
> to someone else from a Group page and use something like
> rev="directory" or rev="member" to identify that relationship and then
> to pull in remote info about that member).
> Anyway -- the rev stuff is certainly interesting... real
> implementations would be pretty cool to see!
> On 7/30/06, Danny Ayers <danny.ayers at gmail.com> wrote:
> > I'm afraid I've missed discussions around rel-directory , but was
> > prompted to take a look after stumbling over an OPML distributed
> > directories tutorial , wondering how best to do this using
> > microformats.
> > OPML uses an attribute called "inclusion" to say that a remote
> > hierarchical dir is a sub dir of the local element. It's a neat idea,
> > essentially Gopher on top of HTTP+XML. But given the linking
> > capablitities of HTML, the OPML is redundant, as long as there is a
> > way of expressing "inclusion".
> > rel-directory would appear to be in the frame for an alternative based
> > on existing standards, only it's directed the opposite way :
> > rel="directory"
> > indicates that the referenced resource is a directory which does or
> > should contain the current page
> > But HTML to the rescue, how about:
> > rev="directory"
> > indicates that the current element is a directory element which
> > contains the referenced resource
> > Does that make sense?
> > The most obvious application of this would be in XOXO documents, along
> > the lines of the distributed dir idea.
> > A potentially cool demo application might be to transclude  any
> > remote page, stripped down to hierarchy+ labelled links. If this was
> > done to one level of transclusion, and the links in the remote page
> > rewritten to something like
> > http://mydir.org/tree?remote=http://thatpage.com/stuff so they could
> > be fed through the tree-browser, the demo could reveal the current web
> > as a "World Outline". Anyone got a bit of Ajax time on their hands?
> > Cheers,
> > Danny.
> >  http://microformats.org/wiki/rel-directory
> >  http://hosting.opml.org/amyloo/osite/help/howtos/distdir.htm
> >  http://en.wikipedia.org/wiki/Transclusion
> > --
> > http://dannyayers.com
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> Chris Messina
> Agent Provocateur, Citizen Agency &
> Open Source Ambassador-at-Large
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