... [Posted to -dev and -devel; suggest followups to -devel only.] *All* the constraints are passed down to the RDB layer (because they're passed down to all...
I am trying to use the GenericRuleReasoner of Jena to do the reasoning to remove one statement from the model. But I dont quite understand the rule built-in...
... (snipped; I saved it locally; listing it as N3 is often more revealing.) ... There aren't *any* individuals. The javadoc for listIndividuals says: Answer...
I have the following code in my package and every time I access the model stored on the database, there will be a new ontology added to the model. ModelMaker...
Hi people, I run Racer in Protégé to check the consistency of my ontology and I got the following: WARNING CAUSE: {FailureOilSpillConditionsUndetermined ...
... Why bother to catch and print the exception, and then kill the program? Let the exception propagate to the top level; typically the JVM will print a...
Ian, a bit off topic in this thread, but: I have a simple model and I'm trying to ask a query using the approach mentioned in your email, but unfortunatelly ...
Pavel Kolesnikov
pavel.kolesnikov@...
Mar 1, 2005 5:41 pm
14493
Hi Pavel, ... How are you setting up the model? You need to be using the normal or mini rule reasoner for this to work. It should work, because I've done it...
hello, It´s me again. I'm new with inference and I need help please!!!! I have a transitive property "tiene" Materia TIENE Clase Clase TIENE Horario I want to...
I am importing the food ontology also, but I have modified the imports in the food to import the local wine ontology that I have on my machine. So basically I...
Hi Soledad, ... There's no link between the classes in terms of the OWL semantics. There is a link between individuals that use the transitive property. In ...
... If you didn't change the xml:base of the files, you may have different documents as far as RDF is concerned. Hence you could easily have non-equal subjects...
I did change both the xml:base and the default namespace. Kunal Patel Ian Dickinson <Ian.Dickinson@...> wrote: ... If you didn't change the xml:base of the...
Hello, I found an strange behavior of OWLReasoner. I made two RDF triples like this: B rdfs:subClassOf A P rdfs:domain B And I tried to infer by using...
... If you want to simply remove a specific statement from the model it is easiest to do that using the RDF API. The rule builtin is there to allow forward...
As I said before. If you just change the namespace of the source file and read in the model the number of triples will not change. If you are importing other...
... Correct in OWL. ... No it doesn't. See http://esw.w3.org/mt/esw/archives/000036.html for more explanation. If you want to find out what properties "apply"...
... I guess this is the point - I was trying just simple jena.rdfquery --data simple.owl --query simple.rdql Is it possible to run a query using an appropriate...
Pavel Kolesnikov
pavel.kolesnikov@...
Mar 2, 2005 6:52 am
14505
... I tried this but could not list individuals, and ... then tried addSubmodel too. but the result was same. Here is the code: OntModel ontModel =...
Dave, Thank you for your quick response. I understood your explanation, I found my understand was wrong. I realized that the slot of class(in the object...
On Wed, 2 Mar 2005 07:51:59 +0100, Pavel Kolesnikov ... ... and now I've tried following: Query query = new Query (queryString) ; Reasoner reasoner =...
Pavel Kolesnikov
pavel.kolesnikov@...
Mar 2, 2005 10:36 am
14508
On Mon, 28 Feb 2005 08:50:28 +0000, ... <owl:Class rdf:ID="X" /> <owl:Class rdf:ID="Y"> <rdfs:subClassOf rdf:resource="#X" /> </owl:Class> <owl:Class...
... Great! Glad you got it to work. The rdfquery command line tool isn't very general it's applicability - the number of different ways to set up an inference...
I am wondering how to improve jena's database access speed by using query cache and key cache. I use MySQL as the database backend and Jena 2. My observation...
I am reading Jena 2 the database inferface options for initialization and access. I am wondering how to set the LongObjectLength and IndexKeyLength. Can these...
... One example would be to define a property on the basis of a restriction. This is used in the formulation of complementOf and unionOf within OWL/lite. For...
... This repsesentation doesn't work very well because you don't know which endtime coresponds to which start time. An alternative is to define time intervals...
... No idea how to answer your question - Kevin will probably do that - but how big are your database models, and what sort of shape are they? [And do you need...
... Do you actually have a problem with the database performance, or are you just curious? (Databases *are* slow, compared to in-memory models; discs are slow....
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