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--  『 Semantic Web(语义Web)/描述逻辑/本体』  (http://bbs.xml.org.cn/list.asp?boardid=2)
----  sparql语句应该怎么写  (http://bbs.xml.org.cn/dispbbs.asp?boardid=2&rootid=&id=84878)

--  作者：jerryluck
--  发布时间：5/22/2010 12:20:00 PM

--  sparql语句应该怎么写
本体查询SPARQL不太会用，我建了一个测试本体，里面有a,b,c三个类，一个传递属性contain；（a contain b，b contain c），每个类各有一个个体a_8,b_9,c_10;
我想查询出包含类c的类，sparql语句应该怎么写？
本体文件如下
<?xml version="1.0"?>
<rdf:RDF
    xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
    xmlns="http://www.owl-ontologies.com/Ontology1274238184.owl#"
    xmlns:protege="http://protege.stanford.edu/plugins/owl/protege#"
    xmlns:xsp="http://www.owl-ontologies.com/2005/08/07/xsp.owl#"
    xmlns:owl="http://www.w3.org/2002/07/owl#"
    xmlns:sqwrl="http://sqwrl.stanford.edu/ontologies/built-ins/3.4/sqwrl.owl#"
    xmlns:xsd="http://www.w3.org/2001/XMLSchema#"
    xmlns:swrl="http://www.w3.org/2003/11/swrl#"
    xmlns:swrlb="http://www.w3.org/2003/11/swrlb#"
    xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
    xmlns:swrla="http://swrl.stanford.edu/ontologies/3.3/swrla.owl#"
  xml:base="http://www.owl-ontologies.com/Ontology1274238184.owl">
  <owl:Ontology rdf:about="">
    <owl:imports rdf:resource="http://swrl.stanford.edu/ontologies/3.3/swrla.owl"/>
    <owl:imports rdf:resource="http://sqwrl.stanford.edu/ontologies/built-ins/3.4/sqwrl.owl"/>
  </owl:Ontology>
  <owl:Class rdf:ID="c"/>
  <owl:Class rdf:ID="a">
    <rdfs:subClassOf>
      <owl:Restriction>
        <owl:onProperty>
          <owl:TransitiveProperty rdf:ID="contain"/>
        </owl:onProperty>
        <owl:allValuesFrom>
          <owl:Class rdf:ID="b"/>
        </owl:allValuesFrom>
      </owl:Restriction>
    </rdfs:subClassOf>
    <rdfs:subClassOf rdf:resource="http://www.w3.org/2002/07/owl#Thing"/>
  </owl:Class>
  <owl:Class rdf:about="#b">
    <rdfs:subClassOf rdf:resource="http://www.w3.org/2002/07/owl#Thing"/>
    <rdfs:subClassOf>
      <owl:Restriction>
        <owl:onProperty>
          <owl:TransitiveProperty rdf:about="#contain"/>
        </owl:onProperty>
        <owl:allValuesFrom rdf:resource="#c"/>
      </owl:Restriction>
    </rdfs:subClassOf>
  </owl:Class>
  <owl:TransitiveProperty rdf:about="#contain">
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#ObjectProperty"/>
  </owl:TransitiveProperty>
  <a rdf:ID="a_8">
    <contain>
      <b rdf:ID="b_9">
        <contain>
          <c rdf:ID="c_10"/>
        </contain>
      </b>
    </contain>
  </a>
  <swrl:Imp rdf:ID="Rule-1"/>
</rdf:RDF>

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