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RE: [namespaceDocument-8] RDF and RDDL

From: Williams, Stuart <skw@hplb.hpl.hp.com>
Date: Mon, 8 Apr 2002 13:48:45 +0100
Message-ID: <5E13A1874524D411A876006008CD059F192A8D@0-mail-1.hpl.hp.com>
To: "'Sean B. Palmer'" <sean@mysterylights.com>
Cc: WWW TAG <www-tag@w3.org>
Hi Sean,

> -----Original Message-----
> From: Sean B. Palmer [mailto:sean@mysterylights.com]
> Sent: 08 April 2002 11:44
> To: Patrick Stickler
> Cc: ext Tim Bray; WWW TAG
> Subject: Re: [namespaceDocument-8] RDF and RDDL
> 
> 
> > Thus, putting the RDF in the XHTML header seems the
> > optimal way to go.
> 
> As the author of many, many, RDF-in-XHTML proposals,

Do you have any particular favorites you could point me at.

> I submit
> that this apporach is distasteful because it makes validation
> basically impossible. Furthermore, AFAIK it is XHTML and XHTML
> alone that can decide the meaning of any externally namespaced
> material embedded within it, and so changes may need to be made
> to the XHTML specification. Also, I can see these documents being
> served as text/html, which would raise many issues (such as the
> fact that RDF IDs would be useless according to the MIME type
> draft).
> 
> OTOH, what are namespaces for if not to embed bits of languages
> in other languages? There is also an approach that can help one
> get round the validation problem:-
> 
>    * Remove the parts that you can't validate, using XSLT.
>    * Validate the remainder.
> 
> But the issue of language mixing is long and complicated: how
> would one specify in the document that you have you apply a
> transformation first before you validate it? I assume one would
> use a PI for that: "if you're a validator, remove this junk; if
> not, parse and process this junk!". I smell a hack.

... or maybe just unwarranted optimism about the ease with which XML
vocabularies can be mixed ;-).
> 
> --
> Kindest Regards,
> Sean B. Palmer
> @prefix : <http://purl.org/net/swn#> .
> :Sean :homepage <http://purl.org/net/sbp/> .

Thanks,


Stuart
Received on Monday, 8 April 2002 08:49:29 GMT

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