Ian, (01)
It's been a while but I recall many find discussions in Bailey's book.
I'm not familiar with Heller's Ontology of Physical Objects so I
will take a look there. (02)
One point is that philosophical discussions are useful, but I'd like
them to be manifested in ontologies expressable in formalisms.
Perhaps Heller does this. (03)
Gary Berg-Cross, Ph.D. gbergcross@xxxxxxxxx
http://ontolog.cim3.net/cgi-bin/wiki.pl?GaryBergCross
NSF INTEROP Project
http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=0955816
SOCoP Executive Secretary
Knowledge Strategies Semantic Technology
Potomac, MD
240-426-0770 (04)
On Tue, Dec 14, 2010 at 2:46 PM, Ian Bailey <ian@xxxxxxxxxxxxxxxx> wrote:
> Hi Gary,
>
> You may have already read it, but Peter Simon's book - Parts:A Study in
> Ontology is pretty good and discusses some of the issues you raise. Mark
> Heller's Ontology of Physical Objects is pretty good too.
>
> Ian
>
>
> -----Original Message-----
> From: ontolog-forum-bounces@xxxxxxxxxxxxxxxx
> [mailto:ontolog-forum-bounces@xxxxxxxxxxxxxxxx] On Behalf Of Gary Berg-Cross
> Sent: 14 December 2010 17:55
> To: ontolog-forum@xxxxxxxxxxxxxxxx
> Subject: [ontolog-forum] Thoughts on the status of Ontological "Geospatial"
> Part relations
>
> At the recent SOCoP workshop on geosemantics (
> http://ontolog.cim3.net/cgi-bin/wiki.pl?SOCoP/Workshop_Agenda_2010_12_03
> ) several presenters mentioned in passing work on the concept of
> “part-of” with one speaker tossing out the notion that this remains an
> unsolved ontological geospatial topic although one points to Mereology
> for some understanding. In some parts of the GIS community Rosanne
> Price’s 3 types of part-whole relationships are probably
> representative - spatial part, spatial membership, and spatial
> inclusion. These semantics were modeled loosely in UML however (I have
> read that Guizzardi’s 2005 dissertation addressed some of the prpblems
> with expressing part-whole in UML - Ontological Foundations for
> Structural Conceptual Models. Phd thesis, University of Twente,)
>
> It got me to thinking whether there was an agreement on where we are
> on this issue. What formal Ontologies have broached this in detail and
> how do various efforts compare?
>
> Obviously Cyc has addressed this. The Open Cyc Part-Whole Vocabulary
> is at http://www.cyc.com/cycdoc/vocab/part-vocab.html Among the
> geospatial part concepts (not the organizational ones or “fish are
> part of the ocean examples) they discuss are:
>
> #$physicalParts captures the commonsense idea of a regular physical
> object’s parts. So it is used in Cyc to refer to human-identifiable
> “physically-separable parts” of an object, including parts that are
> glued or welded together. Examples of parts with its own identity
> (i.e. the wheels of a car, the tail of a dog, the fingers on a hand,
> etc.).
>
> In that ontology #$physicalDecompositions is used for an ARBITRARY
> physical chunk of an object. In Opencyc this is distinct from
> #$physicalPortions which refers to a portion that contains a
> representative sample of everything in the whole. So a physical
> portion of a salad with five ingredients might have representatives of
> all five ingredients, whereas a physical decomposition might have only
> one, two, or three of the ingredients.
>
> #$anatomicalParts refers to parts like physical parts, but anatomical
> parts each have their own anatomical function (i.e. the throat of a
> dog, the nervous system of a person, the eye of a bird).
>
> There might be more specializations of this anatomicalPart in
> something like OBO and I know that various researchers involved with
> DOLCE talk about essential and mandatory parts.
>
> Is there any work that looks at the whole of this and provides some
> guidance on where we are in this topic?
>
> Mappings between ontologies might be interesting and could be done as
> part of OOR work, but we shouldn’t reinvent the ontological wheel.
>
>
> --
> Gary Berg-Cross, Ph.D. gbergcross@xxxxxxxxx
> http://ontolog.cim3.net/cgi-bin/wiki.pl?GaryBergCross
> NSF INTEROP Project
> http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=0955816
> SOCoP Executive Secretary
> Knowledge Strategies Semantic Technology
> Potomac, MD
> 240-426-0770
>
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