Read an existing model (12 c + with the option of triple oracle database)

I've seen a few examples of code, all use the class 'oracle.spatial.rdf.client.jena.ModelOracleSem.createOracleSemModel (oracle, string);", which creates an RDF model, but I have already created using SQLplus and I want to do a simple READ. Is it possible to do?

NB: my trip was this, I realized this tutorial (everything works fine), but now I want to reproduce CRUD queries on the model of the family (which is extracted from the Oracle documentation) using JAVA, the Jena API.

Code:

OracleThin. createOracleSemModel (oracleThin.getOracle (), modelName);

}

Hello

I'm trying to understand your question. If you have four models and I assume that you want to run a SPARQL query against the union of the four models, right? If that's your goal, you can do something like:

    String [] modelNames = new String() {"datebaseeva", "datebaselocalebackup", "datebaseMesuresMains"};
    String [] rulebases = new String [] {};
    Piece attached attachment = Attachment.createInstance (modelNames,
        rulebases,
        InferenceMaintenanceMode.NO_UPDATE,
        QueryOptions.ALLOW_QUERY_INVALID_AND_DUP);

//

The following allows us to reach EVA, LOCALEBACKUP, MESURESMAINS for model of REGIONAL settings

//

    Chart GraphOracleSem = new GraphOracleSem (oracle, "datebaselocale", room attached, true);

Dim queryString As String =

"PREFIX ORACLE_SEM_FS_NS: http://oracle.com/semtech#allow_dup=t>"+ ___PUT_YOUR_QUERY_HERE___; "

ModelOracleSem m = new ModelOracleSem (graph);

Query query = QueryFactory.create (queryString);

Now, the following query will be executed on the 4 models.

QueryExecution qe = QueryExecutionFactory.create (query, m);

It will be useful,

Zhe Wu

Tags: Database

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