我需要使用Protege-Owl API来操作owl文件。你知道,创建类和属性并不太困难。但我不知道如何删除类或属性。如果我们将owl文件视为图形,删除类意味着删除节点及其直接边缘。为例:
<owl:unionOf rdf:parseType="Collection">
<rdf:Description rdf:about="&data;DataBundle"/>
<rdf:Description rdf:about="&data;DataItem"/>
</owl:unionOf>
如果我想删除类DataItem,
答案 0 :(得分:0)
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.net.URI;
import edu.stanford.smi.protegex.owl.ProtegeOWL;
import edu.stanford.smi.protegex.owl.jena.JenaOWLModel;
import edu.stanford.smi.protegex.owl.model.RDFResource;
public class DeleteClass {
public static void main(String[] args) throws Exception {
// TODO Auto-generated method stub
//get model from an owl file
String filePath = "D:\\ss.owl";
FileInputStream inFile= new FileInputStream(filePath);
Reader in = new InputStreamReader(inFile,"UTF-8");
JenaOWLModel jenaOwlModel = ProtegeOWL.createJenaOWLModelFromReader(in);
//get an class from the model
RDFResource oneClass=jenaOwlModel.getRDFResource("Person");
RDFResource oneDataProperty=jenaOwlModel.getRDFResource("age");
//delete the resource
oneClass.delete();
oneDataProperty.delete();
//save the model to another owl file
URI file=URI.create("file:///D:/ssChange.owl");
System.out.println(file);
jenaOwlModel.save(file);
//System.out.println(oneClass);
}
}