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OWL API Êý¾Ý¿â´æ´¢±¾ÌåµÄÎÊÌ⣡£¡ Ä¿Ç°´ÓwikiµÄprotegeÍøÕ¾ÉÏ¿´µ½OWL API´æ±¾Ìåµ½Êý¾Ý¿âµÄÁ½ÖÖ·½·¨£º   Method 1    The simplest way to load an OWL Database project is to load programmatically the project (pprj file), which already contains all database connection information: Project prj = Project.loadProjectFromFile("/home/pizza_db.pprj",errors); OWLModel owlModel = (OWLModel) prj.getKnowledgeBase(); ... Method 2 The second method should be used if there is no project file (.pprj) associated with the OWL Database ontology.   OWLDatabaseKnowledgeBaseFactory factory = new OWLDatabaseKnowledgeBaseFactory();          Project prj = Project.createNewProject(factory, errors); OWLDatabaseKnowledgeBaseFactory.setSources(prj.getSources(), "com.mysql.jdbc.Driver", "jdbc:mysql://localhost:3306/protege", "pizza", "user", "password"); prj.createDomainKnowledgeBase(factory, errors, true); OWLModel owlModel = (OWLModel) prj.getKnowledgeBase(); ÉÏÃæÁ½ÖÖ·½·¨¶¼ÐèÒªÒ»¸öproject£¬ÄѵÀÊÇprotege owl api±ØÐëµÄÂ𣿻¶Ó­ÌÖÂÛ¡£    Êղؠ  ·ÖÏí   ¶¥(0)

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Jena API Á¬½ÓÊý¾Ý¿â£º public class OntoDBUtil { private OntoDBUtil(){ } public static OntModelSpec getModelSpec( ModelMaker maker ) { /*create a spec for the new ont model that will use no inference over models made by the given maker (which is where we get the persistent models from)*/ OntModelSpec spec = new OntModelSpec( OntModelSpec.OWL_MEM ); spec.setImportModelMaker( maker ); return spec; } /* Á¬½ÓÊý¾Ý¿â*/ static IDBConnection connectDB(String DB_URL,String DB_USER,String DB_PASSWD,String DB_NAME){                       return new DBConnection ( DB_URL, DB_USER, DB_PASSWD, DB_NAME); } /*´ÓÎļþ¶ÁÈ¡±¾Ìå²¢½«Æä´æÈëÊý¾Ý¿â*/ static OntModel createDBModelFromFile(IDBConnection con,String name,String filePath){          ModelMaker maker = ModelFactory.createModelRDBMaker(con);          Model base=maker.createModel(name);          OntModel newmodel=ModelFactory.createOntologyModel(getModelSpec(maker),base);          newmodel.read(filePath);          return newmodel; }   /*´ÓÊý¾Ý¿âÖеõ½ÒÑ´æÈë±¾Ìå*/ static OntModel getModelFromDB(IDBConnection con,String name){          ModelMaker maker = ModelFactory.createModelRDBMaker(con);          Model base=maker.getModel(name);          OntModel newmodel=ModelFactory.createOntologyModel(getModelSpec(maker),base);          return newmodel; } }