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Subject: RE: [xri] RE: [xdi] XDI/XRI Question


By the way, having a client application guess what I intended (which I think
is the idea with xri: epok =Dave +email and may have been the idea with
xri:@epok.pin/=Dave/+email) is a different matter. I don't have a problem
with an intelligent client making guesses, but that doesn't affect
equivalence. If I type epok.net into my browser, it may guess that I really
meant http://www.epok.net. That doesn't make epok.net and
http://www.epok.net equivalent, however, in any context except the context
of that particular client application.

Dave

> -----Original Message-----
> From: Dave McAlpin [mailto:dave.mcalpin@epok.net]
> Sent: Sunday, February 29, 2004 4:12 PM
> To: 'Fen Labalme'; 'Dave McAlpin'; drummond.reed@cordance.net
> Cc: xdi@lists.oasis-open.org; xri@lists.oasis-open.org
> Subject: [xri] RE: [xdi] XDI/XRI Question
> 
> First, I'll acknowledge that xri:@epok.pin/=Dave/+email is syntactically
> legal. Second, because =Dave/+email is part of local access and is
> therefore
> outside of the define resolution protocol, it's conceivable that it could
> be
> considered equivalent to (=Dave)/(+email). Having said that, I think it's
> reflects a very bad practice. I much prefer
> xri:@epok.pin/(=Dave)/(+email).
> The reason a subsegment is allowed to start with =, + or @ is because it's
> not ambiguous with a fully qualified XRI. In other words, =Dave is allowed
> because = couldn't possibly be a global context symbol - if it were, it
> would be inside a cross-reference. Equating the two is wrong, in my
> opinion.
> Drummond may disagree.
> 
> Dave
> 
> 
> > -----Original Message-----
> > From: Fen Labalme [mailto:fen@idcommons.org]
> > Sent: Sunday, February 29, 2004 12:57 AM
> > To: Dave McAlpin; drummond.reed@cordance.net
> > Cc: xdi@lists.oasis-open.org; xri@lists.oasis-open.org
> > Subject: Re: [xdi] XDI/XRI Question
> >
> > "Dave McAlpin" <dave.mcalpin@epok.net> writes:
> >
> > > This is an edited version of an email thread from Bill. I haven't had
> > > time to respond, but I'll try to put something together this weekend
> > > unless someone else chimes in first.
> >
> > ...
> >
> > > I'm thinking the resolution would go like this?
> > >
> > >     Original XRI:   xri:@epok.email.(@epok.pin.(=Dave))
> >
> > I think the original XRI could look like this:
> >
> >                       xri:@epok.pin/=Dave/+email
> >
> > If I understand the gist of recent discussions with Drummond, this could
> > be equivalent (if real world resolver best practices so dictate) to:
> >
> >                       xri:@(epok.pin)/(=Dave)/(+email)
> >
> > This would look up =Dave according to the epok.pin authority, and then
> > look up the +email element within that object.
> >
> > > A few other questions:
> > >
> > > 1) The xri form I'm looking for was something that could be put on a
> > > biz card and the email would be good even if you transferred jobs,
> > > assuming you updated a registry. Is there a form for that? I saw
> > > electronic business cards as one example use case, but has the syntax
> > > for that use been developed?
> >
> > A shorthand that might be useful for business cards might be something
> > like this:
> >
> >                       xri: epok =Dave +email
> >
> > where the resolver inserts slashes between the segments.
> >
> > While this XRI is totally local to Epok, and therefore would not follow
> a
> > person as they changed jobs, simply removing the company name would find
> > Dave (assuming he had a global e-name).  Note that when =Dave is
> > resolved with respect to a company's authority, +email may resolve to a
> > different value than when looked up via the global name.  Also, link
> > contracts prevent =Dave from being directly spammed.
> >
> > I'm not sure if any of this is correct, but I'm trying to learn this
> > stuff and figure I'd try to get my thoughts out there.
> >
> > Best,
> > Fen
> >
> > PS: Email problems:
> >
> > I replied to Bill Thursday night, but my email to the list went into a
> > black hole and never appeared on the XDI list.  I've sent an email to
> > Scott McGrath about this, and hopefully this one will be distributed.
> >
> > My original note (already out-of-date) is attached.
> >
> 
> 
> 
> 
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