On Sun, September 19, 2010 13:09, David Eddy said:
> Doug -
> On Sep 19, 2010, at 1:26 AM, doug foxvog wrote:
>> If the ontology is to be used to express the information in a data
>> base that has been in constant use for years, dynamaticity is not
>> so crucial.
> Need to question/challenge you here on "dynamaticity" (certainly a
> word I've never seen before)? (01)
> If I'm interpreting it right it appears to mean that information in a
> database tends to be static or used for the same purpose. (02)
The context was the need for an ontology that models a database to be
be dynamic. I meant that there was less need for such an ontology
to be dynamic than for other cases of using an ontology. (03)
> Unfortunately this is not true... there's a nasty practice called
> "overloading" where a single column/field/data element/attribute will
> contain data that means something different than what is expected. (04)
I agree here. There definitely still can be a need for the ontology
a DB being mapped into a KB uses to be dynamic. (05)
-- doug (06)
> A relatively new field of endeavor around databases is called "data
> profiling" (only 121,000 hits on Google... VERY new)... which means
> actually looking into ALL the data in important fields in a database
> to see what's there. (07)
> If I were in command of the ideal world I would ensure that the names/
> labels of data thingys would actually indicate what is IN the data
> field. Like having a jug labeled milk that actually contains milk.
> A useful habit that hasn't quite become best practice in the database
> world yet.
> David Eddy
> _________________________________________________________________ (08)
doug foxvog doug@xxxxxxxxxx http://ProgressiveAustin.org (09)
"I speak as an American to the leaders of my own nation. The great
initiative in this war is ours. The initiative to stop it must be ours."
- Dr. Martin Luther King Jr.
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