我正在尝试在Protege 3.5中加载 OWL 2.0 本体。但是，每次我尝试时都会出错。
错误如下：
Jena Parse 错误消息：prolog 中不允许内容异常类 org.xml.sax.SAXParseExceotion：prolog 中不允许内容。
我的 OWL2 文件有以下代码
Prefix( xsd:=<http://www.w3.org/2001/XMLSchema#> )
Prefix( ns:=<http://isd.ktu.lt/semantika/> )
Ontology( <http://isd.ktu.lt/semantika/s2o>
Declaration( AnnotationProperty( <ns:s2o#label_sbvr> ) )
Declaration( AnnotationProperty( <ns:s2o#label_en> ) )
Declaration( Class( <ns:s2o#credit_card> ) )
AnnotationAssertion( <ns:s2o#label_sbvr> <ns:s2o#credit_card> "credit_card"@en )
AnnotationAssertion( <http://www.w3.org/2000/01/rdf-schema#label> <ns:s2o#credit_card> "credit card"@en )
AnnotationAssertion( <ns:s2o#label_en> <ns:s2o#credit_card> "credit card" )
Declaration( Class( <ns:s2o#car_rental> ) )
AnnotationAssertion( <ns:s2o#label_sbvr> <ns:s2o#car_rental> "car_rental"@en )
AnnotationAssertion( <http://www.w3.org/2000/01/rdf-schema#label> <ns:s2o#car_rental> "car rental"@en )
AnnotationAssertion( <ns:s2o#label_en> <ns:s2o#car_rental> "car rental" )
ClassAssertion( <ns:s2o#car_rental> <ns:s2o#myCarRental> )
Declaration( ObjectProperty( <ns:s2o#is_insured_by__credit_card> ) )
ObjectPropertyDomain( <ns:s2o#is_insured_by__credit_card> <ns:s2o#car_rental> )
ObjectPropertyRange( <ns:s2o#is_insured_by__credit_card> <ns:s2o#credit_card> )
AnnotationAssertion( <ns:s2o#label_sbvr> <ns:s2o#is_insured_by__credit_card> "car_rental is_insured_by credit_card"@en )
AnnotationAssertion( <http://www.w3.org/2000/01/rdf-schema#label> <ns:s2o#is_insured_by__credit_card> "car rental is insured by credit card"@en )
AnnotationAssertion( <ns:s2o#label_en> <ns:s2o#is_insured_by__credit_card> "car rental is insured by credit card" )
SubClassOf( <ns:s2o#car_rental> ObjectMinCardinality( 3 <ns:s2o#is_insured_by__credit_card> <ns:s2o#credit_card> ) )
SubClassOf( <ns:s2o#car_rental> ObjectMaxCardinality( 5 <ns:s2o#is_insured_by__credit_card> <ns:s2o#credit_card> ) )
)
当我从 Java 代码运行它们时，本体很好，因为 Hermit Reasoner 和 Pellet Reasoner 可以正常工作。你能告诉我为什么会出现错误消息以及如何解决它。