A bit more detailed response: a
transitive relation in FOPL/OWL means that if A -> B and
B -> C, then A -> C also holds.
In this syntax the "->" means any relation. That's for any relationship, and in OWL this means any object
property.
The reason OWL has a
declaration of a property
type is transitive is to prevent all
properties from inferring all transitive
triples. I.e. it is a specialized way
to tell the engine which
properties should
create the inferred triples. It
restricts the
definition of a transitive
relation.
Any object
property is a transitive
relation and the Graph view is
simply following that. As does
the Association View (click on any
object property in the
Property View and choose
Show in Associations
View.
-- Scott
On 2/5/2013 7:02 PM, Bob Ducharme
wrote:
Christina,
Graph view lets you display the transitive relationships for
any object property, and it's more interesting with some
properties than others. For example, with Kennedys.ttl, while
kennedys:child is certainly not transitive (my child's child is
not my child), this display lets you see all of someone's
descendants in one graphic display. (You also have the option of
displaying kennedys:profession and kennedys:gender transitively,
although there is no reason to do so.)
A transitive display of skos:related values can be quite
interesting, even though the SKOS specification does not define
this property as being transitive.
Bob DuCharme
TopQuadrant
On Tue, Feb 5, 2013 at 10:12 AM,
CTolliver <[email protected]>
wrote:
Why does
Composer have an option to display "skos:related
(transitively)" relationships in the Graph view, when
skos:related is not transitive?
Thanks.
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