中文XML论坛--swrl的问题

本体：

<?xml version="1.0"?>
<rdf:RDF
    xmlns:temporal="http://swrl.stanford.edu/ontologies/built-ins/3.3/temporal.owl#"
    xmlns:swrla="http://swrl.stanford.edu/ontologies/3.3/swrla.owl#"
    xmlns:query="http://swrl.stanford.edu/ontologies/built-ins/3.3/query.owl#"
    xmlns:swrl="http://www.w3.org/2003/11/swrl#"
    xmlns:swrlx="http://swrl.stanford.edu/ontologies/built-ins/3.3/swrlx.owl#"
    xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
    xmlns:owl="http://www.w3.org/2002/07/owl#"
    xmlns="http://www.owl-ontologies.com/Ontology1224926049.owl#"
    xmlns:swrlb="http://www.w3.org/2003/11/swrlb#"
    xmlns:abox="http://swrl.stanford.edu/ontologies/built-ins/3.3/abox.owl#"
    xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
    xmlns:xsd="http://www.w3.org/2001/XMLSchema#"
    xmlns:tbox="http://swrl.stanford.edu/ontologies/built-ins/3.3/tbox.owl#"
  xml:base="http://www.owl-ontologies.com/Ontology1224926049.owl">
  <owl:Ontology rdf:about="">
    <owl:imports rdf:resource="http://www.w3.org/2003/11/swrl"/>
    <owl:imports rdf:resource="http://www.w3.org/2003/11/swrlb"/>
    <owl:imports rdf:resource="http://swrl.stanford.edu/ontologies/3.3/swrla.owl"/>
    <owl:imports rdf:resource="http://swrl.stanford.edu/ontologies/built-ins/3.3/swrlx.owl"/>
    <owl:imports rdf:resource="http://swrl.stanford.edu/ontologies/built-ins/3.3/tbox.owl"/>
    <owl:imports rdf:resource="http://swrl.stanford.edu/ontologies/built-ins/3.3/abox.owl"/>
    <owl:imports rdf:resource="http://swrl.stanford.edu/ontologies/built-ins/3.3/query.owl"/>
    <owl:imports rdf:resource="http://swrl.stanford.edu/ontologies/built-ins/3.3/temporal.owl"/>
  </owl:Ontology>
  <owl:Class rdf:ID="person"/>
  <owl:Class rdf:ID="man">
    <rdfs:subClassOf rdf:resource="#person"/>
  </owl:Class>
  <owl:ObjectProperty rdf:ID="hassibling">
    <rdfs:range rdf:resource="#person"/>
    <rdfs:domain rdf:resource="#person"/>
  </owl:ObjectProperty>
  <owl:ObjectProperty rdf:ID="hasbrother">
    <rdfs:range rdf:resource="#person"/>
    <rdfs:domain rdf:resource="#person"/>
  </owl:ObjectProperty>
  <owl:ObjectProperty rdf:about="http://www.w3.org/2003/11/swrl#argument2"/>
  <person rdf:ID="aa">
    <hassibling>
      <man rdf:ID="bb"/>
    </hassibling>
  </person>
  <swrl:Variable rdf:ID="y"/>
  <swrl:Imp rdf:ID="Rule-1">
    <swrl:body>
      <swrl:AtomList>
        <rdf:rest>
          <swrl:AtomList>
            <rdf:first>
              <swrl:ClassAtom>
                <swrl:classPredicate rdf:resource="#man"/>
                <swrl:argument1 rdf:resource="#y"/>
              </swrl:ClassAtom>
            </rdf:first>
            <rdf:rest>
              <swrl:AtomList>
                <rdf:first>
                  <swrl:IndividualPropertyAtom>
                    <swrl:argument2 rdf:resource="#y"/>
                    <swrl:argument1>
                      <swrl:Variable rdf:ID="x"/>
                    </swrl:argument1>
                    <swrl:propertyPredicate rdf:resource="#hassibling"/>
                  </swrl:IndividualPropertyAtom>
                </rdf:first>
                <rdf:rest rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#nil"/>
              </swrl:AtomList>
            </rdf:rest>
          </swrl:AtomList>
        </rdf:rest>
        <rdf:first>
          <swrl:ClassAtom>
            <swrl:argument1 rdf:resource="#x"/>
            <swrl:classPredicate rdf:resource="#person"/>
          </swrl:ClassAtom>
        </rdf:first>
      </swrl:AtomList>
    </swrl:body>
    <swrl:head>
      <swrl:AtomList>
        <rdf:rest rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#nil"/>
        <rdf:first>
          <swrl:IndividualPropertyAtom>
            <swrl:argument1 rdf:resource="#x"/>
            <swrl:argument2 rdf:resource="#y"/>
            <swrl:propertyPredicate rdf:resource="#hasbrother"/>
          </swrl:IndividualPropertyAtom>
        </rdf:first>
      </swrl:AtomList>
    </swrl:head>
  </swrl:Imp>
  <owl:DataRange>
    <owl:oneOf rdf:parseType="Resource">
      <rdf:rest rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#nil"/>
      <rdf:first rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean"
      >true</rdf:first>
    </owl:oneOf>
  </owl:DataRange>
  <owl:DataRange>
    <owl:oneOf rdf:parseType="Resource">
      <rdf:first rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean"
      >true</rdf:first>
      <rdf:rest rdf:parseType="Resource">
        <rdf:rest rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#nil"/>
        <rdf:first rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean"
        >false</rdf:first>
      </rdf:rest>
    </owl:oneOf>
  </owl:DataRange>
</rdf:RDF>

我的规则：person(?x) ∧man(?y) ∧hassibling(?x, ?y) → hasbrother(?x, ?y)

为什么得不到结果hasbrother(aa,bb)?


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