Java Code Examples for org.apache.jena.rdf.model.Model#createStatement()
The following examples show how to use
org.apache.jena.rdf.model.Model#createStatement() .
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Example 1
| Source File: Test.java From SDA with BSD 2-Clause "Simplified" License | 5 votes |
|
public void updateTest() {
// Add a new book to the collection
// String service = "http://219.248.137.7:13030/icbms/update";
// UpdateRequest ur = UpdateFactory
// .create(""
// + "delete { <http://www.pineone.com/campus/TemperatureObservationValue_LB0001> <http://data.nasa.gov/qudt/owl/qudt#hasNumericValue> ?value . } "
// + "insert { <http://www.pineone.com/campus/TemperatureObservationValue_LB0001> <http://data.nasa.gov/qudt/owl/qudt#hasNumericValue> \"19\" . } " //<-- 19대신 여기 온도를 넣어주세
// + "WHERE { <http://www.pineone.com/campus/TemperatureObservationValue_LB0001> <http://data.nasa.gov/qudt/owl/qudt#hasNumericValue> ?value . }");
// UpdateProcessor up = UpdateExecutionFactory.createRemote(ur, service);
// up.execute();
// Query the collection, dump output
// String service1 = "http://219.248.137.7:13030/icbms/";
// QueryExecution qe = QueryExecutionFactory.sparqlService(service1,
// "SELECT * WHERE {<http://www.pineone.com/campus/Student_S00001> ?r ?y} limit 20 ");
//
// ResultSet results = qe.execSelect();
// ResultSetFormatter.out(System.out, results);
// qe.close();
Model model = ModelFactory.createDefaultModel();
Statement s = model.createStatement(model.createResource("ex:e1"),model.createProperty("ex:p1"), ResourceFactory.createTypedLiteral(new String("0.6")));
model.add(s);
String query = "select * {?s ?p ?o }";
QueryExecution qe = QueryExecutionFactory.create(query, model);
ResultSet results = qe.execSelect();
ResultSetFormatter.out(System.out, results);
qe.close();
}
Example 2
| Source File: Test.java From SDA with BSD 2-Clause "Simplified" License | 5 votes |
|
public void updateTest() {
// Add a new book to the collection
// String service = "http://219.248.137.7:13030/icbms/update";
// UpdateRequest ur = UpdateFactory
// .create(""
// + "delete { <http://www.pineone.com/campus/TemperatureObservationValue_LB0001> <http://data.nasa.gov/qudt/owl/qudt#hasNumericValue> ?value . } "
// + "insert { <http://www.pineone.com/campus/TemperatureObservationValue_LB0001> <http://data.nasa.gov/qudt/owl/qudt#hasNumericValue> \"19\" . } " //<-- 19대신 여기 온도를 넣어주세
// + "WHERE { <http://www.pineone.com/campus/TemperatureObservationValue_LB0001> <http://data.nasa.gov/qudt/owl/qudt#hasNumericValue> ?value . }");
// UpdateProcessor up = UpdateExecutionFactory.createRemote(ur, service);
// up.execute();
// Query the collection, dump output
// String service1 = "http://219.248.137.7:13030/icbms/";
// QueryExecution qe = QueryExecutionFactory.sparqlService(service1,
// "SELECT * WHERE {<http://www.pineone.com/campus/Student_S00001> ?r ?y} limit 20 ");
//
// ResultSet results = qe.execSelect();
// ResultSetFormatter.out(System.out, results);
// qe.close();
Model model = ModelFactory.createDefaultModel();
Statement s = model.createStatement(model.createResource("ex:e1"),model.createProperty("ex:p1"), ResourceFactory.createTypedLiteral(new String("0.6")));
model.add(s);
String query = "select * {?s ?p ?o }";
QueryExecution qe = QueryExecutionFactory.create(query, model);
ResultSet results = qe.execSelect();
ResultSetFormatter.out(System.out, results);
qe.close();
}
Example 3
| Source File: JenaUtil.java From quetzal with Eclipse Public License 2.0 | 4 votes |
|
public static Statement fromTuple(Model m, Tuple t, BasicUniverse u, Instance t2) {
Resource s = (Resource) fromAtom(m, t.atom(1), u, t2);
Property p = m.createProperty(String.valueOf(t.atom(2)));
RDFNode o = fromAtom(m, t.atom(3), u, t2);
return m.createStatement(s, p, o);
}
Example 4
| Source File: ExTDB6.java From xcurator with Apache License 2.0 | 4 votes |
|
public static void main(String[] args) throws Exception {
/// turn off the "No BGP optimizer warning"
TDB.setOptimizerWarningFlag(false);
final IRIFactory iriFactory = IRIFactory.semanticWebImplementation();
final String DATASET_DIR_NAME = "data0";
final Dataset data0 = TDBFactory.createDataset( DATASET_DIR_NAME );
// show the currently registered names
for (Iterator<String> it = data0.listNames(); it.hasNext(); ) {
out.println("NAME="+it.next());
}
out.println("getting named model...");
/// this is the OWL portion
final Model model = data0.getNamedModel( MY_NS );
out.println("Model := "+model);
out.println("getting graph...");
/// this is the DATA in that MODEL
final Graph graph = model.getGraph();
out.println("Graph := "+graph);
if (graph.isEmpty()) {
final Resource product1 = model.createResource(
iriFactory.construct( MY_NS +"product/1" )
.toString() );
final Property hasName = model.createProperty( MY_NS, "#hasName");
final Statement stmt = model.createStatement(
product1, hasName, model.createLiteral("Beach Ball","en") );
out.println("Statement = " + stmt);
model.add(stmt);
// just for fun
out.println("Triple := " + stmt.asTriple().toString());
} else {
out.println("Graph is not Empty; it has "+graph.size()+" Statements");
long t0, t1;
t0 = System.currentTimeMillis();
final Query q = QueryFactory.create(
"PREFIX exns: <"+MY_NS+"#>\n"+
"PREFIX exprod: <"+MY_NS+"product/>\n"+
" SELECT * "
// if you don't provide the Model to the
// QueryExecutionFactory below, then you'll need
// to specify the FROM;
// you *can* always specify it, if you want
// +" FROM <"+MY_NS+">\n"
// +" WHERE { ?node <"+MY_NS+"#hasName> ?name }"
// +" WHERE { ?node exns:hasName ?name }"
// +" WHERE { exprod:1 exns:hasName ?name }"
+" WHERE { ?res ?pred ?obj }"
);
out.println("Query := "+q);
t1 = System.currentTimeMillis();
out.println("QueryFactory.TIME="+(t1 - t0));
t0 = System.currentTimeMillis();
final QueryExecution qExec = QueryExecutionFactory
// if you query the whole DataSet,
// you have to provide a FROM in the SparQL
//.create(q, data0);
.create(q, model);
t1 = System.currentTimeMillis();
out.println("QueryExecutionFactory.TIME="+(t1 - t0));
try {
t0 = System.currentTimeMillis();
ResultSet rs = qExec.execSelect();
t1 = System.currentTimeMillis();
out.println("executeSelect.TIME="+(t1 - t0));
while (rs.hasNext()) {
QuerySolution sol = rs.next();
out.println("Solution := "+sol);
for (Iterator<String> names = sol.varNames(); names.hasNext(); ) {
final String name = names.next();
out.println("\t"+name+" := "+sol.get(name));
}
}
} finally {
qExec.close();
}
}
out.println("closing graph");
graph.close();
out.println("closing model");
model.close();
//out.println("closing DataSetGraph");
//dsg.close();
out.println("closing DataSet");
data0.close();
}
