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ÇóÖú£ºÒ»¸ö¹ØÓÚʹÓÃjenaµÄAPI½øÐÐÍÆÀíµÄÎÊÌâ ÎÒÏëдһ¶Î´úÂë²âÊÔÒ»ÏÂjena±¾Éí×Ô´øµÄÍÆÀí»úGenericRuleReasoner. ´úÂëÈçÏ£º > public class jena extends Object { > >     static String personURI    = "http://somewhere/JohnSmith"; >     static String fullName     = "John Smith"; >     static String fName     = "Smith"; >         >     public static void main (String args[]) { >        Model model = ModelFactory.createDefaultModel(); >        Resource johnSmith = model.createResource(personURI); >        johnSmith.addProperty(VCARD.FN, fullName); >        >        String rules = "[rule1: (?a VCARD.FN ?b) -> (?a VCARD.Family ? > b)]"; >        Reasoner reasoner = new GenericRuleReasoner(Rule.parseRules > (rules)); >       InfModel inf = ModelFactory.createInfModel(reasoner,model); >       Iterator list = inf.listStatements(); >       while (list.hasNext()) { >           System.out.println(" - " + list.next()); >       } >     } > } > > Êä³öÊÇ£º - [http://somewhere/JohnSmith, http://www.w3.org/2001/vcard- rdf/3.0#FN, "John Smith"] ÇëÎÊΪʲôûÓÐÏÂÃæµÄstatement,°´ÕÕÍÆÀí¹æÔòÓ¦¸ÃÓа¡[http://somewhere/JohnSmith, http://www.w3.org/2001/vcard- rdf/3.0#Family, "John Smith"]    Êղؠ  ·ÖÏí   ¶¥(0)

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public class jena extends Object { > >     static String personURI    = "http://somewhere/JohnSmith"; >     static String fullName     = "John Smith"; >     static String fName     = "Smith"; >         >     public static void main (String args[]) { >        Model model = ModelFactory.createDefaultModel(); >        Resource johnSmith = model.createResource(personURI); >        PrintUtil.registerPrefix("VCARD", VCARD.getURI()); >        johnSmith.addProperty(VCARD.FN, fullName); >        >        String rules = "[rule1: (?a VCARD.FN ?b) -> (?a VCARD.Family ? > b)]"; >        Reasoner reasoner = new GenericRuleReasoner(Rule.parseRules > (rules)); >       InfModel inf = ModelFactory.createInfModel(reasoner,model); >       Iterator list = inf.listStatements(); >       while (list.hasNext()) { >           System.out.println(" - " + list.next()); >       } >     } > } ÕâÑùΪʲô»¹ÊDz»ÐÐÄØ

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ÔõÑù²ÅÄܱäΪºÏ·¨ÄØ£¿ ΪʲôÎÒ¼ÓÁËÒ»¾ä PrintUtil.registerPrefix("VCARD", VCARD.getURI()); »¹²»ÐÐÄØ

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"[rule1: (?a VCARD.FN ?b) -> (?a VCARD.Family ? b)]"; Õâ¸ö¹æÔòд´íÁË Ó¦¸Ã¸ÄΪ£º "[rule1: (?a VCARD:FN ?b) -> (?a VCARD:Family ? b)]";