- From: Danny Ayers <danny666@virgilio.it>
- Date: Wed, 18 Jun 2003 15:48:47 +0200
- To: "Peter Vojnisek" <et@progos.hu>, <www-rdf-interest@w3.org>
> A paragraph from http://www.w3.org/TR/owl-guide/ : > Cardinality expressions with values limited to 0 or 1 are part of OWL > Lite. This permits the user to indicate 'at least one', 'no more than > one', and 'exactly one'. Positive integer values other than 0 and 1 are > permitted in OWL DL. owl:maxCardinality can be used to specify an > /upper/ bound. owl:minCardinality can be used to specify a /lower/ > bound. In combination, the two can be used to specify a /range/. > > which cardinality value means 'at least one', 'no more than one', or > 'exactly one'? Wouldn't those be: 'at least one' X minCardinality 1 'no more than one' X maxCardinality 1 'exactly one' X cardinality 1 or X minCardinality 1, X maxCardinality 1 see http://www.w3.org/TR/owl-features/#s3.5 Cheers, Danny. ---- http://dannyayers.com
Received on Wednesday, 18 June 2003 09:52:12 UTC