Re: [ontolog-forum] [ontology-based-standards] small follow-up on RE: "O

[Gary Berg-Cross <gbergcross@xxxxxxxxx>]

Simon

Thanks for this follow up to today's session on GeoSpatial Ontologies. 

 Crocs seem to have grabbed our attention as a feature-of-interest (FOI) themselves. I actually imaged the situation a bit.  

 I may have to deal with data that comes from observations of the water body (as the FOI) and so have observed properties of water temp, croc density etc, - all the key ones.  These croc observations may come from sensors on the crocs and so I get croc temps as properties too since they are now the FOI, but from those samples from croc sensors I'm probably calculating the croc density too. So the same sensor  (with some aggregation) provides data to 2 features of interest - the same sensor serves 2 FOIs.

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 Thu, Oct 17, 2013 at 5:39 PM, <Simon.Cox@xxxxxxxx> wrote:

Re the discussion about water/crocodiles/water bodies etc:

This issue is partly accommodated by the O&M model, where the 'feature-of-interest' (e.g. a specific water body) is distinguished from the 'observed-property' (concentration of crocodiles) (and also from the procedure or sensor).
This in turn is a corollary of the underlying 'feature model' which, like pretty much all of the meta-models we are using including OWL, distinguishes between classes/objects and properties/property-values.

There is an issue that many vocabularies of 'observed properties' conflate these concerns, so in standard water property vocabularies we see entries like:
   'concentration of crocodiles in a water body measured using a fooglemeter averaged over 3-day intervals and expressed as a number scaled by the unit-of-measure "bites"'.

But the analysis is established in O&M since many years now.

Simon

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