[uf-discuss] A couple of real-world usage problems
ryan at technorati.com
Wed Jul 12 00:43:39 PDT 2006
On Jul 11, 2006, at 8:43 PM, Tantek Çelik wrote:
> On 7/11/06 2:07 PM, "Ryan King" <ryan at technorati.com> wrote:
>> Your instincts are right. UID is a universal identifier for an event.
>> Two events with the same UID should be considered the same event
>> (assuming there are no trust issues).
> Agreed. Though we will have to figure out how to treat two events
> with the
> same UID but found on different URLs.
> Which content is authoritative if the two conflict?
I'm not sure it really matters which one is *authoritative*- we just
know that they likely represent different events.
Now, how we go about determining trust is a different matter, which,
I suspect, is going to be application dependent.
> I believe the short answer is to use class="url uid", that is, use
> an actual
> URL to a definitive version of the event as its UID, and then you
> can always
> resolve conflicts between two sites posting the same UID by actually
> *loading* that UID (since it is also a URL) and getting the definitive
> details there.
That's what I was going in my previous comment in this thread. I was
suggesting also using rel-bookmark (not class-bookmark) to signify
that not only is this a *a URL* for this event, but *the URL for the
canonical version of this event*.
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