That helps. Thanks.
Jack (01)
On Mon, 19 Jul 2004 12:14:29 -0400 (EDT)
ewallace@xxxxxxxxxxxx wrote:
>
>Jack Park <jackpark@xxxxxxxxxxxxxx> wrote:
>
>>If the only parseType is "collection", how does one craft
>a slot the
>>fillers of which adhere to the properties of a set?
>
>There are not many OWL users in the Ontolog Forum, so this
>is not
>a great place for an OWL question. Also, I think a bit
>more context
>would help us understand the question better. However, I
>will take a
>stab at it anyway.
>
>OWL is not a Frame language and thus does not have "slots"
>per se.
>Perhaps, you mean properties. The fillers for a property
>for an owl
>individual are treated as a set. One can use a property
>restriction
>within an owl class description to define the kind of
>fillers which may
>appear in such a set for a given class. Alternatively, a
>range
>restriction could be defined for the property which would
>restrict the
>fillers for that property for any individual regardless of
>class.
>Because property fillers are treated like sets, they do
>not have any
>ordering. Thus lists are used in OWL ontologies where the
>ordering of a
>related set of things is important, but restricting the
>members of these
>lists is more awkward then those of unordered sets.
>
>-Evan
>
>Evan K. Wallace
>Manufacturing Systems Integration Division
>NIST
>ewallace@xxxxxxxx
>
>
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