public void deleteInstance(String yourClass, String yourInstance) {
// 查找属性url
String sparqlClass =
"SELECT ?class WHERE{?class <http://www.w3.org/2000/01/rdf-schema#label> \""
+ yourClass
+ "\"@zh.}";
ResultSet resultsClass = Result(sparqlClass);
QuerySolution solutionClass = null;
while (resultsClass.hasNext()) solutionClass = resultsClass.next();
// 删除实例父类
String sparqlDeleteInstance =
"delete data{<http://www.semanticweb.org/administrator/ontologies/2015/6/untitled-ontology-31#'"
+ yourInstance
+ "'@zh> <"
+ RDF.type
+ "> <"
+ solutionClass.get("?class")
+ ">}";
UpdateRequest updateInstance = UpdateFactory.create(sparqlDeleteInstance);
UpdateProcessor qexecInstance =
UpdateExecutionFactory.createRemote(updateInstance, UPDATE_SERVER);
qexecInstance.execute();
System.out.println("删除实例父类成功！");
// 删除实例Label
String sparqlDeleteInstanceLabel =
"delete data{<http://www.semanticweb.org/administrator/ontologies/2015/6/untitled-ontology-31#'"
+ yourInstance
+ "'@zh>"
+ "<http://www.w3.org/2000/01/rdf-schema#label> \""
+ yourInstance
+ "\"@zh.}";
UpdateRequest updateInstanceLabel = UpdateFactory.create(sparqlDeleteInstanceLabel);
UpdateProcessor qexecInstanceLabel =
UpdateExecutionFactory.createRemote(updateInstanceLabel, UPDATE_SERVER);
qexecInstanceLabel.execute();
System.out.println("删除实例Label成功！");
}
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();
}
