- From: Stasinos Konstantopoulos <konstant@iit.demokritos.gr>
- Date: Wed, 23 Apr 2008 12:26:02 +0300
- To: Phil Archer <parcher@icra.org>
- Cc: Public POWDER <public-powderwg@w3.org>
On Wed Apr 23 09:29:36 2008 Phil Archer said: > Stasinos Konstantopoulos wrote: > >> On Tue Apr 22 10:19:11 2008 Phil Archer said: >> >>> What's the difference between these two >>> >>> <owl:Restriction> >>> <owl:onProperty >>> rdf:resource="http://www.w3.org/2007/05/powder#hasIRI"/> >>> <owl:someValuesFrom rdf:nodeID="iriset_1"/> >>> <rdfs:subClassOf rdf:nodeID="descriptorset_1"/> >>> </owl:Restriction> >> >> this one means: >> all resources that have a hasIRI property that has a value from >> "iriset_1" are also in the "descriptorset_1" class. >> >>> <owl:Class rdf:about="#resourceset_1"> >>> <rdfs:subClassOf rdf:ID="description_1"/> >>> </owl:Class> >> >> all resources in "resourceset_1" are also in "description_1" >> >>> and which should we use? >> >> It's hard to tell in isolation, depends on where "resourceset_1" comes >> from. If it is defined as a restriction on a property, then these two >> might as well mean the same. > > Good. I much prefer the second option - i.e. the one that doesn't > mention hasIRI. The context is a GRDDLed DR so I think this is clear. well, there's no way around the hasIRI, it's lurking there somewhere in the definition of "resourceset_1". It just that it's not visible in this particular fragment. s
Received on Wednesday, 23 April 2008 09:40:43 UTC