W3C home > Mailing lists > Public > www-rdf-logic@w3.org > November 2001

Re: DAML: property cardinality

From: <Joachim.Peer@unisg.ch>
Date: Tue, 27 Nov 2001 21:28:14 +0100
To: pfps%research.bell-labs.com%UNISG_EXTERN@unisg.ch
Cc: Joachim.Peer@unisg.ch, www-rdf-logic@w3.org
Message-ID: <OFB6830776.B802FBD9-ONC1256B11.007009ED@unisg.ch>

thanks for your reply!

>Well you didn't need to specify the ``uniqueness'' twice.  Once age is a
>unique property, any object can have at most one age.

but if i want to _enforce_ that an instantiation of Person has _exactly_
one property "age" (and not only _at most_ one) i need to write down the
subClassOf-Restricton- stuff, dont't i?

Received on Tuesday, 27 November 2001 15:28:16 UTC

This archive was generated by hypermail 2.3.1 : Wednesday, 2 March 2016 11:10:37 UTC