Michel,

how is your hasPart relationship defined? The Association tree should work on 
any object property.

However, if you are looking for something such as a tree on QCRs, where the 
filler classes are the tree nodes, then we do not have an out of the box 
solution. But: you could infer the missing triples.

For example: Assume you have

        Country part min 1 State
        State part min 1 City

You could now create a pure UI property such as

   property child

and create instances of that using SPARQL CONSTRUCT/SPIN. For example:

CONSTRUCT {
        ?parentClass :child ?childClass
}
WHERE {
        ?parentClass rdfs:subClassOf ?restriction .
        ?restriction owl:onClass ?childClass .
}

Then infer the resulting triples and open the Associations view on them - see 
attachment.

If QCRs turn out to be a common design pattern for this, then we could add more 
convenient support for this to the feature list.

Regards
Holger





On Nov 19, 2009, at 2:37 AM, Bohms, H.M. (Michel) wrote:

> 
> Hi Holger, Scott,
> 
> In my ontologies I use QCRs for modelling decomposition. This is very
> powerfull because it can involved child from different types.
> 
> Is there a way to browse class and/or instance level such
> decompositiontree (instead of the specialization tree).
> 
> When I do "show associations" it seems I cannot select my hasPart
> relationship there...
> 
> Thx Michel
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