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jena ÒýÓôíÎó£¡ ÎÒ°ÑlibÏÂÃæµÄjarÎļþÈ«µ¼½øclasspathÀïÃæÈ¥ÁË¡£µ«ÊÇÈÝÈ»Ìáʾ´íÎó¡£Ô´´úÂ룺 package wrm; import java.io.*; import com.hp.hpl.jena.db.*; import com.hp.hpl.jena.rdf.model.*; public class wrmds {   public static void main(String[] args) {      OntModel m = ModelFactory.createOntologyModel( OntModelSpec.OWL_MEM, null);       FirstOntology firstonto=new FirstOntology();       OntDocumentManager mgr = new OntDocumentManager();       OntModelSpec s = new OntModelSpec(OntModelSpec.OWL_DL_MEM);       s.setDocumentManager(mgr);       m = ModelFactory.createOntologyModel(s, null);       m.read(firstonto.MROntoSpace.getOntUrl(),"");       firstonto.MROntology=new MulMROntoModelMgr(m);       String fileName = "D:\\wrm_ds.owl";       FileOutputStream ontOutput = new FileOutputStream(fileName);       m.write(ontOutput);       } } Ìáʾ´íÎó£º java.lang.Error: Unresolved compilation problems:  OntModel cannot be resolved or is not a type  ModelFactory cannot be resolved  OntModelSpec cannot be resolved  FirstOntology cannot be resolved or is not a type  FirstOntology cannot be resolved or is not a type  OntDocumentManager cannot be resolved or is not a type  OntDocumentManager cannot be resolved or is not a type  OntModelSpec cannot be resolved or is not a type  OntModelSpec cannot be resolved or is not a type  OntModelSpec cannot be resolved  ModelFactory cannot be resolved  MulMROntoModelMgr cannot be resolved or is not a type  at wrm.wrmds.main(wrmds.java:15) Exception in thread "main" Çë¸÷λ´óÏÀ°ï°ïæ°¡£¡    Êղؠ  ·ÖÏí   ¶¥(0)

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