RDF Question: attaching multiple types to a resource

Roger L. Costello costello at mitre.org
Thu May 6 21:56:51 BST 1999


In an earlier posting it was clarified (to me) how a resource type
property could be used as the resource element, i.e.,

<rdf:Description [attrs]>
    <rdf:type resoure="foo">
    [other properties]
</rdf:Description>

can be equivalently expressed as:

<foo>
   [other properties]
</foo>

This morning I read in the RDF spec that you can associate multiple type
properties to a resource, e.g.,

<rdf:Description [attrs]>
    <rdf:type resoure="foo">
    <rdf:type resoure="bar">
    [other properties]
</rdf:Description>

If I wanted to create the alternate syntax as I did above, which type
would I migrate up?  Would the equivalent syntax be:

<foo>
    <rdf:type resoure="bar">
   [other properties]
</foo>

or 

<bar>
    <rdf:type resoure="foo">
   [other properties]
</bar>

or both?

I apologize for not stating my question very well.  I am at a loss for
the correct terminology.  What is the correct terminology for morphing
the syntax from:

<rdf:Description [attrs]>
    <rdf:type resoure="foo">
    [other properties]
</rdf:Description>

to:

<foo>
   [other properties]
</foo>

How about: "The type property has migrated up to resource element"? 
/Roger


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