package iip.oms.matcher;
import com.hp.hpl.jena.rdf.model.*;
import com.hp.hpl.jena.ontology.*;
import java.util.Iterator;
public class JenaParse
{
public static void main(String[] args) {
// 创建本体模型
OntModel ontModel = ModelFactory.createOntologyModel(OntModelSpec.OWL_MEM);
ontModel.read("file:D:/ontology/Conference_PCS_i_merge.owl"); // 读取文件，加载模型
//定义一个类作为模型中Animal类的等等价类，并添加注释
OntClass cls = ontModel.createClass("HuiyiClass");
cls.addComment("the EquivalentClass of Conference...", "EN");
// 通过完整的URI取得模型中的Animal类
OntClass oc = ontModel.getOntClass("file:D:/ontology/Conference_PCS_i_merge.owl#Conference");
System.out.println(oc.toString());
oc.addEquivalentClass(cls); // 将先前定义的类添加为Animal的等价类
System.out.println("ObjectProperty: ");
for( Iterator obp = ontModel.listObjectProperties();obp.hasNext();)
{
ObjectProperty op = (ObjectProperty) obp.next();
System.out.println(" LocalName:"+op.getLocalName() +"; Domain:"+op.getDomain()+"; Range:"+op.getRange());
}
System.out.println();
System.out.println("DatatypeProperty: ");
for( Iterator dbp = ontModel.listDatatypeProperties();dbp.hasNext();)
{
DatatypeProperty dp = ( DatatypeProperty) dbp.next();
System.out.println(" LocalName:"+dp.getLocalName()+"; Domain:"+dp.getDomain()+"; Range:"+dp.getRange());
}
System.out.println();
// 迭代显示模型中的类
for (Iterator i = ontModel.listClasses(); i.hasNext();) {
OntClass c = (OntClass) i.next();
if (!c.isAnon()) { // 如果不是匿名类
System.out.print("Class");
// 获取类的URI并输出，在输出时对URI做了简化（将命名空间前缀省略）
System.out.println(c.getModel().getGraph().getPrefixMapping().shortForm(c.getURI()));
// 处理等价类
for (Iterator e = c.listEquivalentClasses(); e.hasNext();) {
OntClass ec = (OntClass) e.next();
// 输出等价类
System.out.println("等价类 ："+ec.getEquivalentClass());
}
for (Iterator d = c.listDisjointWith(); d.hasNext();) {
OntClass dc = (OntClass) d.next();
// 输出等价类的注释
System.out.println("互斥类："+dc.getDisjointWith());
}
// 迭代显示当前类的父类
for (Iterator it = c.listSuperClasses(); it.hasNext();)
{
OntClass sp = (OntClass) it.next();
String str = c.getModel().getGraph()
.getPrefixMapping().shortForm(c.getURI()) // 获取URI
+ "'s superClass is " ;
String strSP = sp.getURI();
try{ // 另一种简化处理URI的方法
str = str + ":" + strSP.substring(strSP.indexOf('#')+1);
System.out.println(" Class" +str);
}
catch( Exception e ){
}
}
// 迭代显示当前类的子类
for (Iterator it = c.listSubClasses(); it.hasNext();)
{
System.out.print(" Class");
OntClass sb = (OntClass) it.next();
System.out.println(c.getModel().getGraph().getPrefixMapping()
.shortForm(c.getURI())
+ "'s subClass is "
+ sb.getModel().getGraph().getPrefixMapping()
.shortForm(sb.getURI()));
}
// 迭代显示与当前类相关的所有属性
for(Iterator ipp = c.listDeclaredProperties(); ipp.hasNext();)
{
OntProperty p = (OntProperty)ipp.next();
System.out.println(" associated property: "+p.getLocalName());
}
}
}
}
}
//listDeclaredProperties(
请帮我看看这段代码有什么错误吗，不知为什么等价类解析不出来？
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2007/4/7 16:38:00
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