表4：rup元模型的分等级表示。
图6：实体关系模型的反向工程元模型。
Figure 6: Reverse engineered meta-model for entity relationship models.
可以创建或导入上面描述的元模型。
SCA基于2个主要的元模型11
实体定义元模型（ODM）。
CBS元模型中的所有对象必须属于命名空间。
All objects in the CBS meta-model must belong to a namespace. Two types of namespaces are used here.
建模和元模型建模概念和技术
元模型非常适应模型驱动的体系结构方法。
Metamodels fit well with the Model-Driven Architecture approach.
通过元模型修改显示内容
图2描述组件、接口和它们依赖的元模型。
Figure 2 Metamodel for components, interfaces, and their dependencies.
我们建立了基于MOF的常规元模型以支持EA模型。
We created an MOF-based common meta-model to support ea models. MOF-based EAML was limited to the following sub-set of ea models.
rup元模型的一个分级表示法的例子如下面的表4所示。
A sample hierarchical representation of the RUP meta-model is shown in Table 4 below.
他们可以根据SOAD元模型来为这些问题建模。
They could model these issues according to the SOAD metamodel.
UML 2.0扩展以及它们到元模型中概念上的映射。
Table 1. The UML 2.0 extensions and their mapping to the concepts in the meta model.
设计工具友好的元模型是一项从经验中获得的技能。
Designing tooling friendly metamodels is a skill acquired from experience.
一旦它被认可，BPDM将能够为业务过程建模提供元模型。
Once approved, BDPM would provide a meta-model for business process modeling.
在这些模型表示法和支持的转换之下是一系列的元模型。
Underlying these model representations, and supporting the transformations, is a set of metamodels.
元模型(也称元-元数据)定义了元数据的结构和语义。
Metamodels (also known as meta-metadata) define the structure and semantics of metadata.
你的服务接口元模型是什么，你提供哪些MEP(消息交换模式)？
What is your meta model for service interfaces and which MEPs do you provide?
导入Ecore元模型之后，就可以对其进行扩展了。
Once you have imported the Ecore metamodel, you are ready to extend it.
元模型易于使用和重用于进一步的处理(模型驱动的开发)。
Metamodels are easy to use and reuse for further processing (model-driven development).
Eclipse模型框架(EMF)使用元模型以实现对模型的管理。
Eclipse Modeling Framework (EMF) to manipulate the model using the meta-model.
这些限定词名称将在本文后面关于rup元模型的讨论时变得更加明确。
These qualifier names will become clearer later in the article when I discuss the RUP meta-model.
捕获元模型是某种类型的抽象，通常是架构师应该具备的技能。
Capturing a metamodel is a type of abstraction, which is a skill often found with architects.
这个元模型（见图2）描述组件类型、接口和数据结构11。
This metamodel (Figure 2) describes component types, interfaces, and data structures 11.
导入导出过程负责将XML模型数据引入或引出基于MOF的常规元模型。
The import/export process is responsible for translating XML model data into and out of the MOF-based common meta-model.
许多产品中的元数据和元模型都有其专有格式，特别是内容管理。
Metadata and metamodels, in many products, have their own proprietary format. This is especially true for content management.
UML元模型和XML模式之间可能存在多种合理的映射。
You may find more than one sensible mapping between the UML metamodel and XML schema.
命名空间为CBS元模型中的对象提供一种分组方法，从而使系统更具模块化。
A namespace provides a means for grouping objects in the CBS meta-model, thereby making the system more modular.
命名空间为CBS元模型中的对象提供一种分组方法，从而使系统更具模块化。
A namespace provides a means for grouping objects in the CBS meta-model, thereby making the system more modular.
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