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Re: head/@profile needed in HTML 5? GRDDL in Linked Data community?

From: Richard Cyganiak <richard@cyganiak.de>
Date: Thu, 25 Feb 2010 11:04:19 +0000
Cc: Dan Connolly <connolly@w3.org>, semantic-web@w3.org, public-lod <public-lod@w3.org>, Pete Johnston <Pete.Johnston@eduserv.org.uk>, Thomas Baker <tbaker@tbaker.de>
Message-Id: <B6FEC097-558C-4777-A2C8-4CAF3943E2BA@cyganiak.de>
To: Dan Brickley <danbri@danbri.org>
On 25 Feb 2010, at 07:54, Dan Brickley wrote:
> I don't believe we considered explicitly the scenario in which
> profile= gets lost, but something like RDFa is not permitted for
> HTML5. Maybe Pete or Tom (cc:'d) can comment further? My personal
> guess at a DC view would be something like "well if we don't get RDFa,
> then don't take @profile away!",

Wouldn't something like <link rel="profile" href="..." /> cover that  


> the assumption being that RDFa would
> come with some namespace abbreviation mechanism, whether xmlns:-based
> or otherwise. I doubt the DC community would be satisfied by the
> current Microdata design in which each use of a DC property would be
> identified by its full URI. If you like, I can ask explicitly.
>> The microformats community seems happy to explore alternatives.
>> http://lists.w3.org/Archives/Public/public-html/2010Feb/0690.html
>> I'm considering pushing back on the 0794 proposal, but it's only
>> worth my time if somebody actually needs head/@profile to survive
>> into HTML 5.
>> Does anybody need it?
> That's a little like asking if someone needs the emergency life-raft
> before telling them whether they get to keep using the boat or not.
> WIthout RDFa, DC would have to use it.
>> On a somewhat related topic... as RDFa matures, the need for GRDDL
>> somewhat fades. I wonder, though... to what extent is GRDDL
>> used in the linked data community? What tools consume it? What
>> content providers produce it?
> I've never used GRDDL, and I don't know of anyone actively using it.
> That said, there are many things I don't know! I have tried to get
> Redland/Raptor working with it to consume POWDER a couple of times,
> but with no success. When I think about running GRDDL against wild Web
> content, I have some vague worry about whether untrusted XSLTs are
> sufficiently sandboxed, but I haven't investigated the risks very
> carefully. I remember Bijan raising similar concerns a while back.
> cheers,
> Dan
>> See also:
>> The details of data in documents: GRDDL, profiles, and HTML5
>> By Dan Connolly in HTML, Semantic Web, Web Architecture, XML on  
>> August
>> 22, 2008 7:45 PM
>> http://www.w3.org/QA/2008/08/the_details_of_data_in_documen.html
>> --
>> Dan Connolly, W3C http://www.w3.org/People/Connolly/
>> gpg D3C2 887B 0F92 6005 C541  0875 0F91 96DE 6E52 C29E
Received on Thursday, 25 February 2010 11:04:59 UTC

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