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Re: Reviving HTTP Header Linking: Some code and use-cases

From: Mark Nottingham <mnot@mnot.net>
Date: Mon, 10 Mar 2008 23:35:53 +1100
Cc: ietf-http-wg@w3.org
Message-Id: <50F4C4C4-C70C-4DC8-AED9-37249E63A16A@mnot.net>
To: Harry Halpin <hhalpin@ibiblio.org>

Hi Harry,

I've actually just started working on a new revision of the draft in  
the last week; some side discussions at the APPS area arch workshop  
led me to believe that we may be able to make some progress on this.

I'll hopefully have something submitted in the next few days (once  
submissions are open again).


On 10/03/2008, at 5:54 AM, Harry Halpin wrote:

> Hi, I'm Harry Halpin, and I'm working on GRDDL (Gleaning Resource
> Descriptions from Dialects of Language) with the W3C, a rather neat
> technology that helps us get uniform metadata from diverse XML,  
> (X)HTML,
> microformats, and (hopefully soon) HTML documents using a simple mix  
> of
> widely deployed technologies.
> I'd just like to send a e-mail to see if we can revive Mark  
> Nottingham's
> "HTTP Header Linking Draft", from which we in particular would like to
> see the Link and Profile headers revived [1]. What's the current  
> status
> of this idea?
> We'd like to see this as an IETF-approved part of HTTP. Reviving
> Nottingham's draft would solve a big problem for us. In order for
> authors of documents on the Web to tell agents that there is a  
> transform
> to get data out of their data, they need a link to the transform and  
> the
> ability for the agent to tell that link is actually not just an  
> ordinary
> link, but the link of a GRDDL transform. This is absolutely needed for
> the cases where the document owner may want to authorize to the
> transformation, but may not want to add the information to the  
> header of
> *every* document in the collection or have access to the document. A
> use-case given by Ian Davis of Talis has been written in more detail  
> [2].
> We also have running code that implements this feature in the Jena  
> Java
> implementation of GRDDL [3]. It's a simple feature for implementers to
> implement, and if even more people gave head's up to this feature I
> believe there would be many more implementers who would add this
> feature. thanks, harry
> [1]http://www.mnot.net/drafts/draft-nottingham-http-link-header-00.txt
> [2]http://www.w3.org/TR/grddl-scenarios/#header_use_case
> [3]http://jena.sourceforge.net/grddl/
> -- 
> 		-harry
> Harry Halpin,  University of Edinburgh
> http://www.ibiblio.org/hhalpin 6B522426

Mark Nottingham     http://www.mnot.net/
Received on Monday, 10 March 2008 12:36:36 UTC

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