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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
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