public void deleteProperty(String yourInstance, String yourProperty) {
// 查找属性URI
String sparqlProperty =
"SELECT ?property WHERE{?property <http://www.w3.org/2000/01/rdf-schema#label> '"
+ yourProperty
+ "'@zh.}";
ResultSet resultsProperty = Result(sparqlProperty);
QuerySolution solutionProperty = null;
while (resultsProperty.hasNext()) solutionProperty = resultsProperty.next();
// System.out.println(sparqlProperty);
// System.out.println(solutionProperty.get("?property"));
// 查找属性值
String sparqlPropertyValue =
"SELECT ?propertyValue WHERE{<http://www.semanticweb.org/administrator/ontologies/2015/6/untitled-ontology-31#'"
+ yourInstance
+ "'@zh> <"
+ solutionProperty.get("?property")
+ "> "
+ "?propertyValue}";
ResultSet resultsPropertyValue = Result(sparqlPropertyValue);
QuerySolution solutionPropertyValue = null;
while (resultsPropertyValue.hasNext()) solutionPropertyValue = resultsPropertyValue.next();
// System.out.println(sparqlPropertyValue);
// System.out.println(solutionPropertyValue.get("?propertyValue"));
String string1 = solutionPropertyValue.toString();
int i = string1.length();
i = i - 2;
String string2 = (String) string1.subSequence(19, i);
System.out.println(string2);
// 删除实例属性
String sparqlDeleteProperty =
"delete data{<http://www.semanticweb.org/administrator/ontologies/2015/6/untitled-ontology-31#'"
+ yourInstance
+ "'@zh> <"
+ solutionProperty.get("?property")
+ "> "
+ string2
+ "}";
// System.out.println(sparqlDeleteProperty);
UpdateRequest updateProperty = UpdateFactory.create(sparqlDeleteProperty);
UpdateProcessor qexecProperty =
UpdateExecutionFactory.createRemote(updateProperty, UPDATE_SERVER);
qexecProperty.execute();
}
public static List<String> converteRetornoSparql(ResultSet resultado) {
List<String> lista = new ArrayList<String>();
if (resultado == null) return lista;
while (resultado.hasNext()) {
com.hp.hpl.jena.query.QuerySolution soln = resultado.nextSolution();
String caminhoFull = soln.toString();
lista.add(caminhoFull);
}
return lista;
}
