Re the discussion about water/crocodiles/water bodies etc: (01)
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. (02)
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"'. (03)
But the analysis is established in O&M since many years now. (04)
Simon (05)
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