语义数据模型提供了表达数据库中数据之意义的设施。
Semantic data model provides a facility for expressing meaning about the data in the database.
使用企业语义数据模型，基于业务模型，以确保最终服务的互操作性。
Using the enterprise semantic data model, based on the business model, to ensure interoperability of the resulting services.
语义关联是语义数据模型中实体之间二维关系的知识表示形式。
Semantic association is defined as the representation of rich knowledge about binary relation in semantic data model.
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