[XESAM] Ontology snapshot

[Mikkel Kamstrup Erlandsen]

2007/6/7, Fabrice Colin <fabrice.colin at gmail.com>:
>
> On 6/7/07, Mikkel Kamstrup Erlandsen <mikkel.kamstrup at gmail.com> wrote:
> > To ease the query expansion on the servers each Category
> > will have a property "abstract" that if true implies that objects
> > can not be assigned to this category. In the standard xesam
> > spec non-abstract cats are just the leaf nodes of the cat tree
> >
> Are you sure about this ?
> Looking at Evgeny's viz.png diagram, I would think some
> non-leaf categories would be useful, eg Document and Message.


Ok, maybe  .odf et al could go in the Documents cat, but I think Message
should be abstract. IM and such would have its own subcat (right Evgeny?).

Anyway this just goes to show that the Abstract property of the cats is not
redundant.

Cheers,
Mikkel
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