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Re: Private naming conventions and hypermedia (was Re: Draft minutes from TAG telcon of 2008-07-24

From: Stuart Williams <skw@hp.com>
Date: Sat, 26 Jul 2008 00:13:53 +0100
Message-ID: <488A5E31.40805@hp.com>
To: Mark Baker <distobj@acm.org>
Cc: David Orchard <orchard@pacificspirit.com>, "Henry S. Thompson" <ht@inf.ed.ac.uk>, "www-tag@w3.org" <www-tag@w3.org>

Hello Mark,

Mark Baker wrote:
> On 7/25/08, Williams, Stuart (HP Labs, Bristol) <skw@hp.com> wrote:
>> David, Mark,
>> I think that I understand "hypermedia as the enegine of application state"
>> as a concept, however both of you seem to indicate that there is some rule
>> here that stands to be broken. Could eiether of you state crisply what that
>> rule is? I've had a quick look in the oracle.. and have come up empty.
> Let's use an example.  From http://www.cdlib.org/inside/diglib/ark/ ;
>   In a web browser, for example, if you enter
>       http://ark.cdlib.org/ark:/13030/tf5p30086k?
>   it returns a brief machine- and eye-readable metadata record, such as [...]
> So if I've got an AWK-aware agent that is in the state "Looking at
> representation of http://ark.cdlib.org/ark:/13030/tf5p30086k", and
> that agent knows it need only append "?" to that URI and dereference
> it to take it to a new state in the application state machine where it
> can view a representation of a metadata record about that other
> resource, then that is a state transition that didn't use hypermedia.
> A hypermedia approach would have explicitly declared the "?" URI in
> the former representation with some link metadata called
> "metadata-record" or some such, e.g. <a rel="metadata" href="?" />
> Make sense?
> Mark.
Thanks, yes that makes sense...

Received on Friday, 25 July 2008 23:14:58 UTC

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