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Re: Namespace and URIs

• To: "Paul Prescod" <paul@p...>,"Simon St.Laurent" <simonstl@s...>
• Subject: Re: Namespace and URIs
• From: "Jonathan Borden" <jborden@a...>
• Date: Sun, 17 Feb 2002 19:38:42 -0500
• Cc: "XML DEV" <xml-dev@l...>,"TAG" <www-tag@w...>
• References: <B892A842.E7FE%patrick.stickler@n...> <3C6D4AA4.D436E345@p...> <1013801882.948.34.camel@l...> <3C6E868B.7C4C4B79@p...> <1013882947.949.71.camel@l...> <3C703844.1C606413@p...>

Paul Prescod wrote:

>
> The RDDL view is that they DO have identity, meaning and structure and
> can thus have schemas and stylesheets associated with them. It's a
> little bit weird to associate stuff with them without describing their
> internal structure but that's just part of the confusion. Maybe the
> internal structure of namespaces can be described as a 1-tuple where the
> only member is the namespace name.

Note that the XML Namespaces recommendation states that XML namespaces _do_
have internal structure (but does not specify what the structure is).

Formally, a space may generally be described as a pair:

<name, node*>

(This can be pictured by drawing a rectangle around a piece of a graph and
giving it a name)

In the case of an XML Namespace:

<nsURI, term*>

In the RDDL model, each term can be represented as the ID of the
rddl:resource element -- in this case the set of rddl:resource elements
defines a set of names.

Each term or ID is itself associated with the rddl:resource tuple:

<id, nature, purpose, lang, href> [1]

Jonathan

[1] http://www.openhealth.org/RDDL/rddl.extreme.xml

• Follow-Ups:
  • Re: Namespace and URIs
    • From: Paul Prescod <paul@p...>

• References:
  • Re: URIs are simply names was: Re: "Abstract"URIs
    • From: Patrick Stickler <patrick.stickler@n...>
  • Re: URIs are simply names was: Re: "Abstract"URIs
    • From: Paul Prescod <paul@p...>
  • Re: URIs are simply names was: Re: "Abstract"URIs
    • From: "Simon St.Laurent" <simonstl@s...>
  • Re: URIs are simply names was: Re: "Abstract"URIs
    • From: Paul Prescod <paul@p...>
  • standardization (was Re: URIs are simply names)
    • From: "Simon St.Laurent" <simonstl@s...>
  • Namespace and URIs
    • From: Paul Prescod <paul@p...>

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