一种用来描述数据项之间关系的标准方法：使用OWLWebOntologyLanguage 的Ontology 技术
A standard means to describe relationships between data items: Ontologies that use the OWL Web Ontology Language
一种用来描述数据项之间关系的标准方法：使用OWLWebOntologyLanguage 的Ontology 技术
A standard means to describe relationships between data items: Ontologies that use the OWL Web Ontology Language
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