RE: Some thoughts on the semantics of domain and range (was: Re : RDFS bug "A property can have at most one range property")

>This conjunctive semantics for domains and ranges in Cyc was in fact a
>problem for the OKBC systems when Cyc knowledge bases were 
>translated into
>frame-based OKBC-compatible KR systems such as Ontolingua and Protege:
>Since domains and ranges of properties had to be maximally general,
>high-level classes had hundreds of slots (properties) that had little
>meaning for that class.
>

Sounds like a problem with the concept of properties as things as much as
anything else.

-Bill de hÓra