RE: [xri] subject sets (was: Minutes: XRI TC Telecon 2-3PM PT Thursday 2009-07-16)

["Drummond Reed" <drummond.reed@cordance.net>]

I have finally read through this entire thread (which started when I was on
vacation). If I understand it all (which is not a safe assumption ;-), my
feedback is:

1) I agree simplicity is maximized if there is just an <XRD:Subject> element
with a single attribute, and that single attribute initially takes a single
value.

2) I'd suggest the attribute name "match", e.g., <XRD:Subject
match="beginswith">

3) No "match" attribute = exact URI match required.

4) Comparisions of Subjects across Links should be: a) exact match on the
URI value after normalization, and b) exact match on the attribute value,
all lowercase.

Hope this helps. I'll put it on tomorrow's agenda and hopefully we can close
this.

=Drummond 

> -----Original Message-----
> From: Eran Hammer-Lahav [mailto:eran@hueniverse.com]
> Sent: Tuesday, July 28, 2009 4:46 PM
> To: Scott Cantor; 'XRI TC'
> Subject: RE: [xri] subject sets (was: Minutes: XRI TC Telecon 2-3PM PT
> Thursday 2009-07-16)
> 
> I think for now a perfect match is enough.
> 
> EHL
> 
> > -----Original Message-----
> > From: Scott Cantor [mailto:cantor.2@osu.edu]
> > Sent: Tuesday, July 28, 2009 4:30 PM
> > To: Eran Hammer-Lahav; 'XRI TC'
> > Subject: RE: [xri] subject sets (was: Minutes: XRI TC Telecon 2-3PM PT
> > Thursday 2009-07-16)
> >
> > Eran Hammer-Lahav wrote on 2009-07-28:
> > > I think for our use cases, all we need is for the URI inside the
> > Subject
> > > elements to match (using 3986 comparison rules). If one side has a
> > set
> > > attribute, the other side must too.
> >
> > The same value also, you mean? That's the literal/syntax match I was
> > referring to, my only question was whether that doesn't rule out the
> > cases
> > that would be easy and have value, like the one I was using as an
> > example.
> > But allowing for that ratchets up the spec work.
> >
> > I agree that syntactic equivalence is simple to specify and immune to
> > extensions breaking it, yes.
> >
> > -- Scott
> >
> >
> 
> 
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