From: Peter F. Patel-Schneider ([email protected])
Date: 01/30/01
One other quick comment.
From: Jeff Heflin <[email protected]>
Subject: Suggested changes to concrete datatypes proposal
Date: Mon, 29 Jan 2001 17:26:31 -0500
> 3) we still restrict what can be said about the concrete domain. For
> example, you can't have a DataType as range of rdf:type (so users can't
> specify new instances of a data type), as range of rdfs:domain (so no
> property can have a data type as its domain), or as the domain and range
> of rdfs:subClassOf (so no hierarchical relationships can be specified).
Unfortunately, rdfs:Class is the universal class, as rdfs:Literal is an
instance of rdfs:Class. Making rdfs:Class be only for abstract classes
would require a change to RDFS.
peter
PS: Note that even the current proposal would require some sort of change
along this line.
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