怎样用JENA解析OWL文件
<?xml version="1.0" encoding="GBK"?>
<rdf:RDF
xmlns:process="http://www.daml.org/services/owl-s/1.1/Process.owl#"
xmlns:service="http://www.daml.org/services/owl-s/1.1/Service.owl#"
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:profile="http://www.daml.org/services/owl-s/1.1/Profile.owl#"
xmlns:grounding="http://www.daml.org/services/owl-s/1.1/Grounding.owl#"
xmlns:daml="http://www.daml.org/2001/03/daml+oil#"
xmlns:expression="http://www.daml.org/services/owl-s/1.1/generic/Expression.owl#"
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:list="http://www.daml.org/services/owl-s/1.1/generic/ObjectList.owl#"
xmlns:owl="http://www.w3.org/2002/07/owl#"
xmlns:xsd="http://www.w3.org/2001/XMLSchema#"
xmlns:swrl="http://www.w3.org/2003/11/swrl#"
xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#">
<service:Service rdf:about="file:/D:/WorkSpace/CreateOWL-SFile/ontologyFiles/jiaxidianli1.owl#PayloadService">
<service:describedBy>
<process:CompositeProcess rdf:about="file:/D:/WorkSpace/CreateOWL-SFile/ontologyFiles/jiaxidianli1.owl#PayloadProcess"/>
</service:describedBy>
<service:supports>
<grounding:WsdlGrounding rdf:about="file:/D:/WorkSpace/CreateOWL-SFile/ontologyFiles/jiaxidianli1.owl#PayloadGrounding"/>
</service:supports>
<service:presents>
<profile:Profile rdf:about="file:/D:/WorkSpace/CreateOWL-SFile/ontologyFiles/jiaxidianli1.owl#PayloadProfile"/>
</service:presents>
</service:Service>
<profile:Profile rdf:about="file:/D:/WorkSpace/CreateOWL-SFile/ontologyFiles/jiaxidianli1.owl#PayloadProfile">
<profile:hasInput>
<process:Input rdf:about="file:/D:/WorkSpace/CreateOWL-SFile/ontologyFiles/jiaxidianli1.owl#平均负荷"/>
</profile:hasInput>
<profile:hasOutput>
<process:Output rdf:about="file:/D:/WorkSpace/CreateOWL-SFile/ontologyFiles/jiaxidianli1.owl#负荷预警信息"/>
</profile:hasOutput>
<rdfs:label>Composite Service</rdfs:label>
<profile:hasInput>
<process:Input rdf:about="file:/D:/WorkSpace/CreateOWL-SFile/ontologyFiles/jiaxidianli1.owl#最低负荷"/>
</profile:hasInput>
<profile:hasInput>
<process:Input rdf:about="file:/D:/WorkSpace/CreateOWL-SFile/ontologyFiles/jiaxidianli1.owl#最高负荷"/>
</profile:hasInput>
<service:presentedBy rdf:resource="file:/D:/WorkSpace/CreateOWL-SFile/ontologyFiles/jiaxidianli1.owl#PayloadService"/>
<profile:textDescription>Composite Service</profile:textDescription>
</profile:Profile>
<process:CompositeProcess rdf:about="file:/D:/WorkSpace/CreateOWL-SFile/ontologyFiles/jiaxidianli1.owl#PayloadProcess">
<process:hasResult>
<process:Result/>
</process:hasResult>
<service:describes rdf:resource="file:/D:/WorkSpace/CreateOWL-SFile/ontologyFiles/jiaxidianli1.owl#PayloadService"/>
<process:hasInput rdf:resource="file:/D:/WorkSpace/CreateOWL-SFile/ontologyFiles/jiaxidianli1.owl#最高负荷"/>
<process:hasInput rdf:resource="file:/D:/WorkSpace/CreateOWL-SFile/ontologyFiles/jiaxidianli1.owl#最低负荷"/>
<process:composedOf>
<process:Sequence>
<process:components>
<process:ControlConstructList>
<list:rest rdf:resource="http://www.daml.org/services/owl-s/1.1/generic/ObjectList.owl#nil"/>
<list:first>
<process:Perform>
<process:process rdf:resource="file:/D:/WorkSpace/CreateOWL-SFile/ontologyFiles/jiaxidianli1.owl#PayloadProcess"/>
</process:Perform>
</list:first>
</process:ControlConstructList>
</process:components>
</process:Sequence>
</process:composedOf>
<process:hasInput rdf:resource="file:/D:/WorkSpace/CreateOWL-SFile/ontologyFiles/jiaxidianli1.owl#最低负荷"/>
<process:hasOutput rdf:resource="file:/D:/WorkSpace/CreateOWL-SFile/ontologyFiles/jiaxidianli1.owl#负荷预警信息"/>
</process:CompositeProcess>
<grounding:WsdlGrounding rdf:about="file:/D:/WorkSpace/CreateOWL-SFile/ontologyFiles/jiaxidianli1.owl#PayloadGrounding">
<service:supportedBy rdf:resource="file:/D:/WorkSpace/CreateOWL-SFile/ontologyFiles/jiaxidianli1.owl#PayloadService"/>
</grounding:WsdlGrounding>
</rdf:RDF>
怎样才能解析出:最高负荷、最低负荷、最低负荷等