Hi, i'm having some trouble on trying to use TDB with an owl ontology schema
from Protégé.
I success on using this file for adding and requesting individuals and saving
model + datas together.
I'm now trying to create a TDB repository and using it with my model to
separate the model from the datas.
I'm able to initialize and adding FOAF individuals to the model
and I was expecting the modifications to be flush to the TDBrepository after
committing the model.
But, I found that other class than FOAF one couldn't be found so, I guess my
model isn't really used.
Requesting the model with an Ask request on FOAF individuals give me no result.
if someone could give me a hand on this problem , I'll appreciate.
Thanks
Regards
Wilfrid
Here's my code :
TDB and Model initializing
OntModelSpec model_CP_Spec=OntModelSpec.OWL_DL_MEM;
Reasoner reasonner_CP=ReasonerRegistry.getOWLReasoner();
OntModelSpec model_CP_Spec.setReasoner(reasonner_CP);
Model schemaModel=FileManager.get().loadModel(getInputFileBASE());
Model OntModel
schema=ModelFactory.createOntologyModel(model_CP_Spec,schemaModel);
Location location=new Location(getPathTDB_DATASET));
Dataset datasetCP=TDBFactory.createDataset(location);
Model model=datasetCP.getDefaultModel();
OntModelmodel_CP=ModelFactory.createOntologyModel(model_CP_Spec, model);
Adding instance to model_CP :
Singleton.model_CP.begin();
OntClass Person = Singleton.model_CP.getOntClass(Singleton.nsCP.basePersonURI);
Individual person = Singleton.model_CP.createIndividual(
Singleton.nsCP.nsFOAF + "PERS_" + UIID , Person );
if(person!=null){
Resource personRessource =
Singleton.model_CP.getResource(Singleton.nsCP.nsFOAF + "PERS_" + UIID);
Singleton.model_CP.add (personRessource, FOAF.firstName, firstname);
Singleton.model_CP.add (personRessource, FOAF.family_name,
family_name);
Singleton.model_CP.commit();
}
AskRequest to model :
Singleton.model_CP.begin();
QueryExecution qe =
QueryExecutionFactory.create(prefix+query_sparql,Singleton.model_CP);
boolean b=qe.execAsk();
Singleton.model_CP.commit();
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