... It is possible to use the built in rule-based OWL reaasoner with your own rules in two ways. First, you can layer a GenericRuleReasoner over the OWL...
... If you want a displayable form, then adding a rdfs:label property with the human-readable strings would be one way to go. UUIDs or HTTP URLs based on some...
Thank you for all these informations, Andy. I'll work on them. Best Regards Michele On Wed, 01 Dec 2004 09:58:06 +0000, Seaborne, Andy...
Michele Orlando
michele.orlando@...
Dec 1, 2004 11:37 am
12578
http://eaio.com has an independent UUID generator. The author accesses the MAC address on the host OS to help in generating the UUID. I've been using it for a...
Thank you Rowland, i'll try this one too. Best regards Michele On Wed, 1 Dec 2004 11:43:12 +0000, Ellis R Watkins...
Michele Orlando
michele.orlando@...
Dec 1, 2004 11:53 am
12580
Rowland, This is a bit off topic but ... Depends a bit on what sort of assumptions you make. There is (or was) a system on Unix/Linux for UUID which copes...
... One further reason to be careful: I heard that, at one time, AOL allocated the same MAC address to every dial-in user on their network. Don't know if...
Andy, ... Good point! I suppose it isn't really a good idea to use external programs or depend on hardware that might not necessarily exist on all machines. ...
... Just check this page out: http://jena.sourceforge.net/DB/mysql-howto.html There are also more docs on the general priciples avaiable in the documentation...
Hi all, I've just migrated my program to use RDF models in Databases instead than reading models from rdf/rdfs files. The problem is that RDQL queries like: ...
david, this is a known bug that is fixed in the CVS version that can be downloaded from sourceforge (or you can wait a couple of weeks for the jena 2.2...
Hi everyone, I'm a computer science student and I'd like some tips of what kind of implementation (system) for a graduation thesis could I make, using java...
hi, I have encountered two problems when using jena: first: how to insert instances into owl files? second: how to read instances from owl files? lyhfdh ...
Hi, How do I add the following owl statement <owl:Class rdf ID = "MyClass" subClassOf owl:Thing/> I understand that every Class is asubClass of owl:Thing ....
Sujatha Upadhyaya
sujathaupadhyaya@...
Dec 2, 2004 5:20 am
12595
Hi sujatha, Well... u can try the following code.. //package Owl; import com.hp.hpl.jena.ontology.*; import com.hp.hpl.jena.rdf.model.ModelFactory; import...
... To do this you need to use a reasoner which understands unionOf. Since that is outside OWL/lite the default OWL rule configuration doesn't support it....
... You've read the Ontology documentation (doc/ontology/index.html), right? Look at the javadoc for OntClass. You may find some methods of interest. Of...
... You've read the ontology documentation, yes? doc/ontology/index.html ... Read the file into an OntModel, add the instance using the methods of the Ont*...
hi , a special class has been added to the OntModel m,but we find m is stored in memory.So we want to write m to a owl file,but can not succeed. We can not...
Hi, if I use the method OntClass::listInstances() I obtain an ExtendedIterator containig all the instances of the class. My question is: is there a way to...
Michele Orlando
michele.orlando@...
Dec 2, 2004 2:27 pm
12603
... You'll have to do it yourself; we provide no ordering features or promises. (I think we need a FAQ entry; I volounteer) Pull the iterator into a list and...
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