Using a glossary model, you can define the name, abbreviation, alternative abbreviation, type (prime or class), if it can be used as a modifier, status, and abstract or description for terms.
The metadata is described in terms of types and properties, and a complete description is held by a data factory.
元数据是通过类型和属性进行描述的，数据工厂可提供完整的描述。
3
Rather than define a class in terms of the properties of its instances, the RDF vocabulary description language describes properties in terms of which classes of resource that the properties apply to.