A conceptual data model is a canonical data model viewed at the highest level of abstraction.
概念数据模型是从最高层抽象看到的规范化数据模型。
This conceptual data model is the basis for both current and future phases of data warehouse development.
这个概念数据模型是当前和将来数据仓库开发阶段的基础。
All you need to do is to generate the physical data model that corresponds to your conceptual data model.
唯一还需要做的事情就是生成与概念数据模型相对应的物理数据模型。
There also is evidence that no one ever produced a reliable conceptual data model. The problem commonly occurs.
有证据显示，没有人建立过可靠的概念数据模型，这是个经常发生的问题。
While not always a part of the conceptual data model, a few major attributes may be defined for illustration purposes.
为了便于演示，可以定义一些主要的属性，不过概念数据模型中不一定非得这样。
The conceptual data model defines the major business entities, generalizations of those entities, and relationships between the entities.
概念数据模型定义主要的业务实体、这些实体的泛化（generalization）以及实体之间的关系。
The conceptual data model is created during the initial phases and typically includes only entities and their most important relationships.
概念数据模型是在初始阶段创建的，通常只包括实体和它们最重要的关系。
The conceptual data model typically is coarse-grained and is intended to show the broad set of entities and relationships under consideration.
概念数据模型通常是粗粒度的，其目的是显示所考虑的宽泛的实体和关系。
Sometimes, relationships expressed during conceptual data modeling (in particular many-to-many relationships) are shown in the logical model as entities themselves.
有时候，概念数据建模期间表达的关系（特别是多对多关系）在逻辑模型中被显示为实体本身。
Conceptual data modeling drives the initial broad specification within the canonical data model, and logical data modeling adds further detail within that same model.
概念化数据建模驱动规范化数据模型中最初宽度的规范，而逻辑数据建模则在同一个模型中增加进一步的细节。
The development of a conceptual data model has several purposes within the SOA project. The main reasons for developing a conceptual data model in the SOA project are.
在SOA项目中，概念数据模型的开发几个目的。
The Entity data model (EDM) is a conceptual data model that can be used to model the data of a particular domain so that applications can interact with data as entities or objects.
实体数据模型(EDM)是一种概念数据模型，能被用来对特定的领域进行数据建模。因此应用程序能和作为实体或对向的数据相匹配。
Compared with several other data models used in early and recent GIS, the author gives his own idea of what is a geographical space, and then puts forward a new object-oriented conceptual data model.
本文在分析和总结了早期和近期GIS几种数据模型的优缺点的基础上，对地理空间进行了重新理解，给出了一个面向对象的概念数据模型。
When you have to change the conceptual or logical data model, you can easily recreate the dependent models and have all your JPA entities in sync.
在不得不修改概念性或逻辑数据模型时，可以轻松地重新创建依赖的模型，让所有JPA实体保持同步。
It enables developers to query and manipulate data using a conceptual model instead of a physical storage model.
它支持开发人员使用概念模型查询和操作数据，而无需使用物理存储模型。
Regardless of its origin, the presence of a glossary model in RDA enables mapping of standard business terms into the formalized structures of the canonical (conceptual/logical) data model.
不论出处如何，当术语表模型在RDA 中时，就可以将标准业务术语映射到规范化（概念/逻辑）数据模型的形式化结构。
After the conceptual schema comes the logical schema — the data model that defines the concepts with greater detail and shows the relationships between the entities.
在概念模式后出现的是逻辑模式——用更多的细节定义概念，并显示实体之间的关系的数据模型。
While conceptual and logical data modeling may result in two separate yet related data models, more often, these are two sequential phases of analysis acting upon the same data model.
虽然概念数据建模和逻辑数据建模会产生两个不同但是相关的数据模型，但更常见的是，它们是在同一个数据模型上进行的两个连续分析阶段。
A data modeler can import business terms and use them to associate these business concepts with conceptual and physical data model elements.
数据建模师可以导入业务术语并在术语表模型中使用这些术语，从而在数据模型中实施命名标准。
The structures expressed within the service analysis model are a direct reflection of those within the conceptual model (or logical data model where no conceptual model formally exists).
服务分析模型中表达的结构是概念模型(或没有概念模型情况下的逻辑数据模型)中的结构的直接反映。
Model - Supporting conceptual, logical, and physical data modeling.
模型(Model)-支持概念、逻辑和物理数据模型。
Semantic Web services (SWS) can be considered an integration layer on top of Web services; they use ontologies as data model and they have a rich conceptual model.
语义Web服务(SWS)可看作是Web服务之上的集成层；它们使用本体作为数据模型并且拥有丰富的概念模型。
The conceptual model of actions was intentionally made general enough to accommodate both data-flow and control-flow computing models.
动作的概念上的模型被特意的普通化，从而提供数据流和控制流计算模型。
Figure 13 shows the data model from a conceptual level (also sometimes referred to as a domain model).
图13显示了概念性的数据模型(有时候也称为领域模型)。
Concentrating on the conceptual and structural stage, a hierarchical data structure of the logical assembly model was presented, and the key components of it were analyzed.
侧重于概念和结构设计阶段，提出了概念装配模型的层次化数据结构，并对其中的关键组成元素进行了分析。
A longstanding and common design pattern for data modeling is the division of the data model into three parts: a conceptual model, a logical model, and a physical model.
数据建模中一种常见并被长期使用的设计模式是将数据模型分为三部分：概念模型、逻辑模型和物理模型。
At present, there isn't a clear definition and description of spatiotemporal topological relationships which is a conceptual and formal basis of spatiotemporal data model.
目前，国际上对于作为时空数据模型概念和形式化基础的时空拓扑关系定义和描述还没有一个明确的阐述。
This conceptual model provides a new option for areas with sparse sediment data series at watershed outlets , and it has a great potential in assisting watershed management.
该概念性模型对于流域出口泥沙资料稀少的地区具有很高的应用价值和协助流域管理的潜力。
Its essence is to realize semantic annotation of academic resources data and complete the domain knowledge description under the guidance of the conceptual model of the ontology.
其实质是在本体概念模型的指导下，实现对学术资源数据的语义标注，完成领域内的知识描述。
Methods With the referential historic data and the basic idea to adopt the mobile percentile method, the statistic conceptual model was established.
方法采用历史参比资料，运用移动百分位数法的基本思路，建立统计方法概念模型。
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