On 13 Jul 2007, at 11:45, Steve Jolly wrote:
Ben O'Neill wrote:
That's just a flaw in TV-Anytime that should be fixed.
Why not switch it to use real URLs that actually go somewhere (as
the Semantic Web is supposed to) and stop using CRIDs - integrate
the two ideas :)
A number of reasons.
Because a programme can be accessed in a number of different ways,
which change over time. You might be satisfied with a single http
URL, but someone without a net connection would find it distinctly
useless.
They'd find it no less useless than a CRID ...
Because some common kinds of location are intrinsically ephemeral -
DVB locators, for example, which are useless after the broadcast
which they refer to.
Because some common kinds of location change with time. Again, DVB
locators can contain the time of a programme being broadcast, and
if the schedule changes, the locator needs to change too.
Surely that causes major problems with matching.
TV-Anytime was designed to try not to favour one method of
accessing content over another - which is good from the perspective
of a broadcaster with multiple platforms, and also good for the
average Joe who has both broadband and access to digital TV, IMO.
I'm not favouring any method over any other method. Using a valid URL
doesn't mean that you have to go to the web page, it simply means
that if you can access the Internet you can go to the web page to get
more data that your dataset may not have due to being out-dated or
otherwise.
S
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Ben O'Neill
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