Re: [ontology-summit] Ontology Summit 2013

[Amanda Vizedom <amanda.vizedom@xxxxxxxxx>]

Gary,

I think that these are excellent examples of ontology quality characteristics, mattering in varying degree by use case, directly derivable from the requirements. The requirements must be gathered and analyzed in part by determining what capabilities the ontology needs to support (including use for different purposes, directly or via interface with humans, other system components, etc) and what constraints will be placed on it. IME, these classic elements of quality do emerge from such requirements identification, when it is actually done. :-)

Amanda

On Sat, Dec 8, 2012 at 12:06 PM, Gary Berg-Cross <gbergcross@xxxxxxxxx> wrote:

I largely agree with this discussion of evaluating ontologies as information products based on their ability to serve IT system requirements.

This external view of use , however, make me a bit nervous about the absence of other factors, some internal,  to consider in assigning quality to development of an ontology.

WWe often phrase some of these as - Does it correctly captures intuitions of domain experts as they express intended content (aka expressivity).

1.
We often say that a quality ontology's  statements should be understandable to humans. Or we say that the ontology should be minimally redundant

1             - no unintended synonyms

2.Multiple possible meanings of concepts should  be reduced so that systems & people can recognize commonalities and differences in the semantics  of the concepts that they use. And so on.

Now it will turn out that such internal qualities will also serve the external needs as part of IT.

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    

Potomac, MD

240-426-0770

On Sat, Dec 8, 2012 at 11:35 AM, Matthew West <dr.matthew.west@xxxxxxxxx> wrote:

Dear John,

> I agree with all your points.  I'll just quote the last line:
>
> > MW: So in essence it is all a matter of quality (fitness for
> purpose).
>
> The comment that triggered my exchange with Hans is the note by Steve,
> who said that evaluation is "more focused".
>
> As you showed in your note, evaluation involves quality, fitness for
> purpose, requirements, specifications, efficiency, cost, consistency,
> completeness, timeliness, accuracy, clarity, relevance, decisions, and
> processes in the enterprise.
>
> Those terms, which I took from your note, could be expanded further to
> include almost anything in IT, the enterprise that uses IT, and the
> employees and customers of the enterprise.

MW: Well at least any aspect of IT. Of course it does. It is the purpose of
IT to deliver information to the enterprise, there are technology layers
with information at the top, databases, applications, and ontologies in the
middle, and hardware, networks etc at the bottom (simplified of course). But
it all has one purpose, and any part of it can be judged in the same way:
how does it contribute to information quality.

MW: Ontologies are just a possible component in all this. Not an end in
themselves.

Regards

Matthew West
Information  Junction
Tel: +44 1489 880185
Mobile: +44 750 3385279
Skype: dr.matthew.west
matthew.west@xxxxxxxxxxxxxxxxxxxxxxxxx
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