Re: RDFa in HTML 4

2008-08-22 Thread Toby A Inkster
Ivan Herman <[EMAIL PROTECTED]> wrote: I actually have, in my implementation, an optional feature that implements exactly that, but with the attribute name @prefix (same keyword as the one used in SPARQL or turtle...) I've implemented this in Cognition now. (It's not in the 0.1-alpha12 down

Re: RDFa in HTML 4

2008-07-18 Thread Shane McCarron
Jeremy Carroll wrote: It seems to be that the HTML4+RDFa doc type is useful only if the validator can be hacked as suggested. Sure - or if we define some alternate mechanism for mapping prefixes in the non-XML HTML4 dialect. Such an alternate mapping is anticipated by the CURIE specific

RE: RDFa in HTML 4

2008-07-18 Thread Jeremy Carroll
It seems to be that the HTML4+RDFa doc type is useful only if the validator can be hacked as suggested. Jeremy Shane: [[ What some of us have been discussing OUTSIDE THE SCOPE OF THE RDFa TASK FORCE is whether it would be possible to define a profile of RDFa that was usable in HTML documents

Re: RDFa in HTML 4

2008-07-18 Thread Shane McCarron
Shane McCarron wrote: My conclusion about that was that it could be hacked, but it wouldn't help because attribute names with colons in them are not permitted in SGML and therefore (probably) not permitted in the DOM and some parsers could barf were we to try to shoehorn "xmlns:foaf=whatever"

Re: RDFa in HTML 4

2008-07-18 Thread olivier Thereaux
Hello, Shane, all. On 18-Jul-08, at 12:22 PM, Shane McCarron wrote: I think that you have misunderstood the basic thread here (or we never said it out loud). No one is proposing updating HTML 4 - that would be a nightmare. What some of us have been discussing OUTSIDE THE SCOPE OF THE RDFa

Re: RDFa in HTML 4

2008-07-18 Thread Shane McCarron
olivier Thereaux wrote: Do I sense the presence of a chicken-egg issue? The HTML4 spec was not made to allow RDFa, and so its authoritative schemas don't either. Could the HTML4 spec be amended to allow the usage of RDFa? Technically yes, although it would be a bit of a mess, with the exis

Re: RDFa in HTML 4

2008-07-18 Thread olivier Thereaux
Hi Manu, Karl, On 18-Jul-08, at 3:08 AM, Karl Dubost wrote: About http://www.w3.org/mid/[EMAIL PROTECTED] Le 18 juil. 2008 à 02:27, Manu Sporny a écrit : We are a bit helpless to do anything about the W3C Validator since it's not in our charter to specify RDFa for HTML4 and expanding our c

Re: RDFa in HTML 4

2008-07-18 Thread Ivan Herman
Johannes Koch wrote: Shane McCarron schrieb: Johannes Koch wrote: If you want to include RDFa into HTML, you have to change the HTML DTD anyway. So why not add a namespace prefixes-URIs mapping attribute? http://purl.org/dc/terms/ audio http://purl.org/media/audio#"; ... > ... This loo

Re: RDFa in HTML 4

2008-07-18 Thread Johannes Koch
Shane McCarron schrieb: Johannes Koch wrote: If you want to include RDFa into HTML, you have to change the HTML DTD anyway. So why not add a namespace prefixes-URIs mapping attribute? http://purl.org/dc/terms/ audio http://purl.org/media/audio#"; ... > ... This looks like schemaLocation a

Re: RDFa in HTML 4

2008-07-18 Thread Johannes Koch
Ben Adida schrieb: Johannes Koch wrote: If you want to include RDFa into HTML, you have to change the HTML DTD anyway. That's not exactly right: you can if you want validation, but you don't have to. Well, yes. And if validation is important to you, while you may need to change the DTD,

Re: RDFa in HTML 4

2008-07-18 Thread Ben Adida
Johannes Koch wrote: If you want to include RDFa into HTML, you have to change the HTML DTD anyway. That's not exactly right: you can if you want validation, but you don't have to. And if validation is important to you, while you may need to change the DTD, you won't have to change the heade

Re: RDFa in HTML 4

2008-07-18 Thread Shane McCarron
Johannes Koch wrote: If you want to include RDFa into HTML, you have to change the HTML DTD anyway. So why not add a namespace prefixes-URIs mapping attribute? http://purl.org/dc/terms/ audio http://purl.org/media/audio#"; ... > ... This looks like schemaLocation attribute in XML Schema,

Re: RDFa in HTML 4

2008-07-18 Thread Johannes Koch
Manu Sporny schrieb: The issue with the RFC-2731 approach, unless I'm missing something, is that it doesn't allow multiple scoped prefix definitions. Take the following example: http://purl.org/dc/terms/"; xmlns:audio="http://purl.org/media/audio#"; about="#welcome-to-the-

Re: RDFa in HTML 4

2008-07-18 Thread Karl Dubost
Hi Manu thanks for this good email, (adding olivier) About http://www.w3.org/mid/[EMAIL PROTECTED] Le 18 juil. 2008 à 02:27, Manu Sporny a écrit : We are a bit helpless to do anything about the W3C Validator since it's not in our charter to specify RDFa for HTML4 and expanding our charter i

Re: RDFa in HTML 4

2008-07-17 Thread Ben Adida
Toby A Inkster wrote: My suggestion, and bear in mind that I haven't implemented this yet, is that we allow something like: http://purl.org/dc/terms/";> http://purl.org/media/audio#";> [...] Welcome to the Jungle Hi Toby, Thanks for chiming in on this. I do wa

Re: RDFa in HTML 4

2008-07-17 Thread Toby A Inkster
On 17 Jul 2008, at 23:00, Manu Sporny wrote: The issue with the RFC-2731 approach, unless I'm missing something, is that it doesn't allow multiple scoped prefix definitions. Take the following example: http://purl.org/dc/terms/"; xmlns:audio="http://purl.org/media/audio#";

Re: RDFa in HTML 4

2008-07-17 Thread Manu Sporny
Toby A Inkster wrote: >>http://purl.org/dc/terms/ >> media http://purl.org/media# >> audio http://purl.org/media/audio#"; >> about="#a-song" typeof="audio:Recording"> > > I've suggested it before, but I'll suggest it again. RFC 2731, which was

Re: RDFa in HTML 4

2008-07-17 Thread Mark Birbeck
Hi Toby, > I've suggested it before, but I'll suggest it again. RFC 2731, which was put > forward by the Dublin Core crowd many years ago, already offers an > HTML-compatible method for defining prefixes for metadata terms. RFC 2731 > has been embraced by eRDF. > The syntax is: > >http://purl

Re: RDFa in HTML 4

2008-07-17 Thread Toby A Inkster
Manu Sporny wrote: http://purl.org/dc/terms/ media http://purl.org/media# audio http://purl.org/media/audio#"; about="#a-song" typeof="audio:Recording"> I've suggested it before, but I'll suggest it again. RFC 2731, which was put forward