[sc34wg3] Namespaces?

Patrick Durusau sc34wg3@isotopicmaps.org
Sat, 05 Oct 2002 14:53:17 -0400


Thanks for the post on namespaces.

Have not seen a lot of traffic in reponse!

Comments anyone?

Looks like an issue we need to address, along with the other ones I 
raised in my earlier post.

Grist for Baltimore?


Mary Nishikawa wrote:

> Thanks Patrick,
> At 05:44 AM 9/23/2002 -0400, you wrote:
>> Greetings,
>> Several recent comments have likened the TNC to "namespaces" and I 
>> was wondering if some of other experiences with namespaces might be 
>> relevant to this dicussion?
>> 1. Disambiguate terms (the most common use in XML)
> Actually I went back to read the W3C  XML Infoset Spec   last night to 
> have a better understanding of how some of the terms in the Infoset 
> are being used in the SAM. I was struck by this
> "Namespaces - XML 1.0 documents that do not conform to [Namespaces], 
> though technically well-formed, are not considered to have meaningful 
> information sets. "
> In Namespaces in XML: http://www.w3.org/TR/REC-xml-names/
> [Definition:] An XML namespace is a collection of names, identified by 
> a URI reference [RFC2396], which are used in XML documents as element 
> types and attribute names. XML namespaces differ from the "namespaces" 
> conventionally used in computing disciplines in that the XML version 
> has internal structure and is not, mathematically speaking, a set. 
> These issues are discussed in "A. The Internal Structure of XML 
> Namespaces".
> How does this jive with our use of "Namespace?"
> Since the XML Infoset is being used to provide us with a "consistent 
> set of definitions" for use in the SAM,  I wonder if we should 
> continue using the term "Namespace" in the Topic Map community's sense 
> of the word.
> With the reexamination of the definition of Scope, we may want to 
> reexamine the use of the term "Namespace" or come up with some other 
> word for this.
> Maybe this has been brought up already and I missed it.
> Cheers,
> Mary
> Mary Nishikawa,  EDMS Technical Advisor
> Schlumberger K. K.
> 2-2-1 Fuchinobe
> Sagamihara, Kanagawa 229-0006
> Tel:  +81-42-759-5376
> Fax: +81-42-759-3563
> Eureka XML BB Manager, xmlbb@slb.com
> ISO/IEC JTC1/SC34, Japan
> OASIS TM Pubsubj TC, GeoLang TC, XMLVoc TC
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Patrick Durusau
Director of Research and Development
Society of Biblical Literature