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Re: noted 3 issues re: time/data (was Re: minutes for HTML WG f2f, 2011-11-04, part 1)

From: Ian Devlin <ian@iandevlin.com>
Date: Tue, 15 Nov 2011 18:40:25 +0000
Message-ID: <CAOYOhSvD+Rmn7L6+XouKCveri9eepevBTgviryQu1=bo1dD8Ww@mail.gmail.com>
To: "Tab Atkins Jr." <jackalmage@gmail.com>
Cc: Sam Ruby <rubys@intertwingly.net>, Peter Winnberg <peter.winnberg@gmail.com>, Tantek Çelik <tantek@cs.stanford.edu>, public-html@w3.org, Maciej Stachowiak <mjs@apple.com>, Paul Cotton <Paul.Cotton@microsoft.com>
Well as I said in my first email "it's probably currently not being used
for anything useful just yet..." but could be in the future, without the
need for any extra Microdata vocabulary etc.

On 15 November 2011 17:53, Tab Atkins Jr. <jackalmage@gmail.com> wrote:

> On Tue, Nov 15, 2011 at 9:08 AM, Ian Devlin <ian@iandevlin.com> wrote:
> > My example was more to illustrate a scenario where a page may have
> multiple
> > <time> elements and anything that's traversing that page, for example a
> > search engine spider, couldn't possible know which one of the <time>
> > elements on the page in question was representing the publish date, and
> > therefore which one is the relevant one (in this case).
> Let's elaborate on this a little more.  What's the spider doing?  If
> it's just reading an ordinary HTML page that happens to have <time> in
> it, it doesn't matter that the concert listings use <time> and the
> last-modified date uses <time pubdate>, *because it doesn't understand
> what any of them are anyway*.
> On the other hand, if you're using a Microdata vocabulary like vEvent
> to express the concert listings, the spider can tell what the <time>s
> in the listings are, and can tell that the last-modified date *isn't*
> part of any listing.  You don't need the @pubdate to distinguish them
> here, either.
> So, this simply isn't a use-case for @pubdate.
> ~TJ

ian devlin
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Received on Tuesday, 15 November 2011 18:41:08 UTC

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