Re: [ontolog-forum] [SPAM] Re: An Ontology Modeling Different Age Groups

[Duane Nickull <dnickull@xxxxxxxxx>]

Does “part” imply a UML 2.0 composite binary relationship? What the relationship between mother and offspring is is different.  Composite implies that the part is “part of” the whole and when the timeline for the whole ends, the timeline for the parts also ends.  As Cecil correctly noted, there are obvious exceptions to this.

The special dependency for this type of relationship is that the offspring is in a special “made from” relationship to two parents.  Once certain events are past, the dependency (or some of it) disappears to the point where most offspring outlive their parents.  For example, after the father’s sperm is contributed, there is no real need for the father other than support (obviously I am being very un-emotional here so no flames please).  As soon as the fetus is of a certain age, the dependency upon the mother is also somewhat reduced as medical professionals and society can help the child survive outside the womb.  Again, this is totally not considering the emotional requirements, only basic survival.  Obviously a child probably fares better with two living parents devoted to the child’s wellbeing.

Interesting discussion however.

Duane


On 3/25/09 4:34 PM, "Richard H. McCullough" <rhm@xxxxxxxxxxxxx> wrote:

> Cecil (and Chris)
>
> I would paraphrase your concerns differently:
> The standard definition of "part" is not appropriate.
> The parasite is a kind of  "foreign part", not a "natural
> part" of an organism.   A different term should be used
> in this context.
>
> So you could blame me for mis-using "part".
> Or you could blame a particular ontology.
> Don't blame epistemology.
>
> ditto for fetus.
>
> Dick
>
> > Well, I have run into this issue before (trying to use Dolce as a top
> > level for parasitic infections where they go through life forms)and I
> > would simply say that this view is exactly why epistemology has no place
> > in  real world (at least health care) ontologies.
> >
> > Cecil
> >
> > Richard H. McCullough wrote:
> >> From the viewpoint of metaphysics/epistemology,
> >> a fetus is not a human being, it is a part of a human being
> >> (the mother). After birth, it is a human being (the newborn).
> >> 
> >>
> >>     *From:* Azamat <mailto:abdoul@xxxxxxxxxxxxxx>
>
> >>     development. That means abortion, in a sense, is a sort
> >>     of killing of a human being by a human being.
> >>     
>
>
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