将三元组分成很多类型
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<http://sanguo.com#主公> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#Class> .
<http://sanguo.com#忠臣> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#Class> .
类型1   类名 type Class
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<http://sanguo.com#刘备> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#NamedIndividual> .
<http://sanguo.com#关羽> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#NamedIndividual> .
类型2   实例 type NameIndividual
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<http://sanguo.com#刘备> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://sanguo.com#主公> .
<http://sanguo.com#关羽> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://sanguo.com#忠臣> .
类型3   实例 type  类名
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<http://sanguo.com#兄弟> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#ObjectProperty> .
类型4   对象属性 type  ObjectProperty
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<http://sanguo.com#刘备> <http://sanguo.com#兄弟> <http://sanguo.com#关羽> .
类型5   实例 对象属性 实例
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<http://sanguo.com#身高> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#DatatypeProperty> .
类型6   数据属性 type DatatypeProperty
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<http://sanguo.com#关羽> <http://sanguo.com#身高> "178" .
<http://sanguo.com#刘备> <http://sanguo.com#身高> "172" .
类型7   实例 数据属性 String
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<http://www.semanticweb.org#水土保持综合治理项目区> <http://www.w3.org/2000/01/rdf-schema#subClassOf> <http://www.semanticweb.org#水土保持> .
类型8   类名 subClassOf 类名
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