On Sunday February 22 2009, paola.dimaio@xxxxxxxxx wrote:
> Ian,
> Sorry if this is a daft q. Seems different from substance in Cyc.
> Maybe just need to look at the example
>
>
> May I ask, how does it deal with intangible entities? (Such as
> 'threat' or 'hostility' , for example). Does it just ignore them, deny
> they exist, or does it always correlate an intangible to a tangible
> entity? Admittedly there are things that you can't kick, such as the
> wind.
>
> Do upper ontologies all have this characteristic of only modelling
> tangibles?  (01) 
As I recall it, the Cyc ontology has a fairly refined set of tangibility 
distinctions, including accommodation of "partially tangible" and mixed 
tangible / intangible entities. I believe relatively few of its 
concepts are purely tangible or intangible.  (02)
> thanks
>
> Paola Dm  (03) 
[ Can we try to trim quoted material a bit better? ]  (04)
Randall Schulz  (05)
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