Dear Ed and Dave, (01)
Quite. (02)
> > P.S. I realize that by guessing at what Dave meant, I may be
> > constructing the strawman I am knocking down. My apologies if I am
> > well
> > wide of the mark.
> [DMc] It's not perfect, but I don't see why you wouldn't start with an
> FO that has been rigorously debated and disambiguated as a starting
> point. Our experience is that it was useful. (03)
MW: As another example, about 5 years ago when I was still working for Shell
I was charged with developing a conceptual data model for Shell's Downstream
business (oil tanker to petrol pump). We started with ISO 15926 as a
foundation ontology, and developed a 1700 entity type data model in 12
months with a team of ten people. This would normally just not work: (04)
- A team of ten people will usually fail to agree on how to model things,
- If you let ten people model independently different areas they will come
up with incompatible models,
- If you have a team of 2-3 people it will take a lot longer than a year to
produce 1700 entity types. (05)
Because we had a foundation ontology that we had confidence in as an
analysis framework we did not suffer these problems. (06)
I presented the project at a DAMA conference and one of our major
competitors was present. After the presentation I asked what they thought
such a model would cost them to develop. They said $5m. It actually cost
$1m. (07)
Whether foundation ontologies play much role in reasoning, is I think rather
to miss the point. (08)
Regards (09)
Matthew West
Information Junction
Tel: +44 560 302 3685
Mobile: +44 750 3385279
matthew.west@xxxxxxxxxxxxxxxxxxxxxxxxx
http://www.informationjunction.co.uk/
http://www.matthew-west.org.uk/ (010)
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