[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message]

Re: Irony heaped on irony

  • From: "Tim Berners-Lee" <timbl@w...>
  • To: "Dan Connolly" <connolly@w...>, <haustein@k...>
  • Date: Sat, 20 May 2000 13:56:41 -0400

Re: Irony heaped on irony
...or presumably (4)  the schema document returned on a query of the
namespace URI
 contains some information in xml-schema and some in rdf-schema.  (and some
in XHTML for people?)

Isn't this what multiple namespaces in a document can be used for?

Tim


Dan Connolly wrote:
>Stefan Haustein wrote:
>>
>> > Dan Connolly:
>> > > David Megginson:
>> > > Please remove the schema from http://www.w3.org/XML/1998/namespace
and
>> > > put it somewhere else, then update the schema for schemas to follow
>> > > this (better) practice.  This also has the advantage that users can
>> > > refer to the specific version of the xml: schema that they want to
use.
>> >
>> > Hmm... issuing an address for each specific version of the schema
>> > spec that we put on the web server is a reasonable idea, but
>> > removing the schema from http://www.w3.org/XML/1998/namespace
>> > removes the ability to use namespaces in schemas in the most
>> > straightforward way.
>>
>> In my opinion, the best solution would be to remove the confusing
>> http:// from the namespace name.
>
>That would be a good suggestion if we didn't intend to make
>definitive material about our schema available on demand.
>But we do, and http is a the most straightforward way
>for us (and lots of other folks, I expect) to do that.
>
>> However, at least you should
>> append /xml-schema when translating a namespace name into an
>> XML Schema URL. Otherwise, an XML Schema can collide with e.g.
>> an RDF schema describing the same language.
>
>If I were concerned with such collisions, I'd just
>use schemaLocation to do the pointing, rather than
>appending /xml-schema. But I'm not concerned with
>such collisions; I expect either
>
> (1) publishing an XML Schema and an RDF schema
> for the same namespace will be so rarely useful
> that it needn't be supported by the technology;
> only one of them is available using just
> the namespace identifier, and to find the
> other one, you need another pointer (e.g. schemaLocation)
>
>or
>
> (2) support for using namespace identifiers as MIME type
> parameters in http Accept: headers will mature... something like:
>
> Accept: text/xml;namespace="http://www.w3.org/1999/XMLSchema"
>
>or
>
> (3) a separate MIME type for RDF (say... model/rdf)
> will be registered, allowing us to make RDF and XML Schema
> available using just the namespace identifer,
> just like we make PNG and GIF for images.
>
>
>[more on the rest of your message separately...]
>
>
>--
>Dan Connolly, W3C http://www.w3.org/People/Connolly/
>


***************************************************************************
This is xml-dev, the mailing list for XML developers.
To unsubscribe, mailto:majordomo@x...&BODY=unsubscribe%20xml-dev
List archives are available at http://xml.org/archives/xml-dev/
***************************************************************************

PURCHASE STYLUS STUDIO ONLINE TODAY!

Purchasing Stylus Studio from our online shop is Easy, Secure and Value Priced!

Buy Stylus Studio Now

Download The World's Best XML IDE!

Accelerate XML development with our award-winning XML IDE - Download a free trial today!

Don't miss another message! Subscribe to this list today.
Email
First Name
Last Name
Company
Subscribe in XML format
RSS 2.0
Atom 0.3
 

Stylus Studio has published XML-DEV in RSS and ATOM formats, enabling users to easily subcribe to the list from their preferred news reader application.


Stylus Studio Sponsored Links are added links designed to provide related and additional information to the visitors of this website. they were not included by the author in the initial post. To view the content without the Sponsor Links please click here.

Site Map | Privacy Policy | Terms of Use | Trademarks
Free Stylus Studio XML Training:
W3C Member
Stylus Studio® and DataDirect XQuery ™are products from DataDirect Technologies, is a registered trademark of Progress Software Corporation, in the U.S. and other countries. © 2004-2013 All Rights Reserved.