AFAIK, owl:FunctionalProperty and owl:maxCard=1 are essentially the same. The main (obvious) difference is that the former is a global restriction while the latter is local to a class, and can be used in other class expressions (intersections, unions etc).
Holger On Jan 5, 2010, at 6:01 AM, Bohms, H.M. (Michel) wrote: > Ok, thx > Do you think there is any more semantics in a functional property than just > saying maxcard=1? > Or is this equivalent? > > > > > > > TNO.NL > > > > Michel Böhms > > Consultant Building Innovation > > > TNO Built Environment and Geosciences > > Van Mourik Broekmanweg 6 | PO Box 49 > > 2600 AA | Delft | The Netherlands > > > > > > Tel +31 15 2763107 > > E-mail [email protected] > > Web http://www.linkedin.com/in/michelbohms > > Skype name michelbohms > > > > > > Disclaimer > > > > > > > > > > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Holger > Knublauch > Sent: dinsdag 5 januari 2010 13:37 > To: [email protected] > Subject: Re: [tbc-users] Max card of datatype props > > Yes, any owl:Datatype property can have any number of values by default. You > would need to declare it owl:FunctionalProperty or add an owl:maxCardinality > restriction otherwise. > > In my experience most datatype properties take at most one value, so that > making them owl:FunctionalProperties is often a good choice. > > Holger > > > On Jan 5, 2010, at 4:30 AM, Bohms, H.M. (Michel) wrote: > > > A general question on datatype properties. > > Did I remember well that these can have in principle multiple values? > (ie max card = +INF) ? > > so default 0..INF values? > > (ie need min and.or max card restrictions when otherwise) > > thx Michel > > > > > > TNO.NL > > > > Michel Böhms > > Consultant Building Innovation > > > TNO Built Environment and Geosciences > > Van Mourik Broekmanweg 6 | PO Box 49 > > 2600 AA | Delft | The Netherlands > > > > > > Tel +31 15 2763107 > > E-mail [email protected] <mailto:[email protected]> > > Web http://www.linkedin.com/in/michelbohms > <http://www.linkedin.com/in/michelbohms> > > Skype name michelbohms > > > > > > Disclaimer > <blocked::http://www.tno.nl/content.cfm?&context=overtno&content=overtnosub&laag1=282&item_id=72&Taal=2> > > > > > > > > > > > > This e-mail and its contents are subject to the DISCLAIMER at > http://www.tno.nl/disclaimer/email.html > > > -- > > You received this message because you are subscribed to the Google > Groups "TopBraid Composer Users" group. > To post to this group, send email to > [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/topbraid-composer-users?hl=en. > > > > -- > > You received this message because you are subscribed to the Google Groups > "TopBraid Composer Users" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/topbraid-composer-users?hl=en. > > This e-mail and its contents are subject to the DISCLAIMER at > http://www.tno.nl/disclaimer/email.html > > -- > > You received this message because you are subscribed to the Google Groups > "TopBraid Composer Users" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/topbraid-composer-users?hl=en. > >
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