概念数据模型

GIS概念数据模型的研究

Spatial Conceptual Data Model of GIS

利用PowerDesigner数据库建模工具建立概念数据模型，进而完成对业务数据结构的设计。

Then use the database modeling tools called Power Designer to establish the conceptual data model and complete the design of the structure of business data .

在声明业务策略时，业务用户使用一个由概念数据模型（CDM）表示的词汇表。

When declaring business policies , business users use a vocabulary that may be represented by a conceptual data model ( CDM ) .

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。

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 .

因此，设计行为包括将概念数据模型转换为逻辑数据模型（LDM），在LDM中将生成XSD或Java模型。

Therefore , the design activity includes transforming the conceptual data model to a logical data model ( LDM ) from which XSDs or Java models are generated .

本文结合一次性医疗器械制造企业ERP系统的特点，详细介绍了采用ORM方法建立设备管理子系统概念数据模型的过程。

This paper introduces how to establish the conceptual model of the device module that subjects to the sub - system of device manage - ment by Object - Role Modeling , according to the features of the ERP in the disposal instrument enterprise .

自动化立体仓库货位分配概念数据模型的研究

Study of Goods-Placement Distribution Conceptual Data Model in the Automated Storage Retrieval Systems

国家卫生信息概念数据模型与HL7RIM的映射研究

Study on mapping National Health Information Conceptual Data Model to HL7 reference information model

概念数据模型可以简化设计过程，因为它将大量细节隐藏起来。

A conceptual data model simplifies the design process because it hides a lot of details .

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。

This conceptual data model is the basis for both current and future phases of data warehouse development .

从空间数据管理，概念数据模型等方面详细地介绍了该种数据模型。

This paper introduces the data model from the sides of the spatial data management and the concept data model .

详细说明了数据库建模的流程，包括建立系统功能模型，概念数据模型、物理数据模型以及最后生成完整数据库的整个过程。

This process includes the building of system function model , conceptual data model , physical data model and the whole flow of database creating .

针对该主题的概念数据模型，完成了逻辑数据模型设计和物理数据模型设计，建立了数据仓库系统。

Through the Conception Model of Comprehensive Analysis Subject , the thesis achieves the logic data model and physical data model , and builds the Data Warehouse system .

在分析系统功能需要的基础上，设计了系统总体结构、运行过程以及系统集成的群决策方法和相关工具，同时给出了系统核心概念数据模型。

The paper describes specific functional requirement for the GDSS , puts forward system architecture , operational process , integrated group decision-making methods and tools , and finally pres.

再次对临床活动的流程进行分析，确定了系统的目标和功能，并在此基础上设计出系统的概念数据模型和物理数据模型。

Thirdly , analysis the process of clinical activity and Determine the objectives and function of the system , design the Conceptual Data Model and the Physical Data Model .

目的：确定国家卫生信息概念数据模型与HL7RIM之间的关系，检验概念数据模型的范围。

AIM : To identity the relationship between National Health Information Conceptual Data Model and HL7 reference information model ( RIM ), and to test the scope of the Conceptual Data Model .

其次，在数据库上，介绍了后台数据库的设计思路，明确了数据库中主要数据表的概念数据模型，详细设计了系统数据表。

Secondly , at the database level , introduces the design idea , definite conceptual data model of the the main data table , given the detailed design of the data table of the backstage database .

结论：国家卫生信息概念数据模型与HL7RIM有着很强的映射关系，国家卫生信息概念数据模型在概念水平上是与国际卫生信息模型保持一致的。

CONCLUSION : There is a strong mapping relationship between the National Conceptual Data Model and HL7 RIM . The National Conceptual Data Model is fully in alignment with international health information models at the conceptual level .

确立了国家卫生信息的数据模型及其层级关系国家卫生信息数据模型的层级关系从大到小依次为信息框架、承接关系数据模型、概念数据模型、逻辑数据模型；

Defining the data models and their hierarchy : the levels of data models can be defined as information framework , contextual health data model , conceptual data model , and logical data model from high to low .

概念数据模型自动化建模技术是一项极具挑战性的研究工作，由于时间及自身水平有限，论文研究工作尚缺乏深度，且存在很多不足之处，作者将在后续的研究过程中加以持续改进。

Conceptual data model automated modeling technology is a challenging research work , due to time and own standard limited , this paper studies still lack depth and exist a great deal of insufficient , there will be continuous improvement in the follow-up research process .

结合工作流引擎相关的研究，提出了一种基于关系结构的轻型PDM工作流引擎，并对基于关系结构轻型PDM工作流引擎的基本概念、数据模型、引擎控制器进行了分析。

Expounded a relation-based lightweight PDM workflow engine and analyzed basic conception , data model , engine control component of the engine .

首先介绍了STEP-NC的概念、数据模型和文件格式，对STEP-NC控制器进行了研究，提出了STEP-NC控制器应实现的功能和框架结构。

The conceptd 、 ata model and file format of STEP-NC were introduced firstly . Based on analysis of STEP-NC controller , we study on its ' function and framework .

该文讨论了空间结构化查询语言的理论，在OGIS的概念和数据模型之上，提出了一套创新的地理数据模型，采用统一的方法存储和管理空间数据库中的属性数据和几何数据。

In this paper , the theory of spatial structural query language is discussed , and a new geographical data model based on the concepts and data model in OGIS is introduced .

对数据模型的概念，GIS数据模型的现状和发展趋势，GIS数据模型实例进行了分析。

This paper analyses the concept of data model , the present conditions and developing tendency of GIS data model , example of GIS data model .

本文通过介绍元数据、RDF的一些基本概念与RDF数据模型，描述了RDF应用的广阔前景。

This paper describes a beautiful future of the RDF application through the introduction of metadata , some basic conception of RDF and RDF data model .

遵循数据库设计原则，构建了各个功能模块的概念模型和数据模型，创建了系统的数据库。

The system database was built in accordance with the general principles of designing database , and conceptual model and data model of functional modules were devised .

论文首先介绍了数据库基本概念，数据描述模型，数据库三级体系架构，数据库设计过程模型，数据库设计中的并发控制原理及实现手段；

Firstly , it introduces the base principle , data description modeling , three staging hierarchy structure theory about database , the brief introduction of the database design process modeling , and the concurrency control theory and achieve methods in database design process ;

基于国内公交车上现有的一些车载设备和所要实现的功能，为公交车车载智能系统建立起相应的系统模型和数据模型，并运用对象和对象字典的概念来建立数据模型。

In the paper , the system model and data model of the Bus-borne Intelligent System is based on the bus-borne electronic device at the present time in China and the functions to be realized . The concept of the object and the Object Dictionary is used to modeling .

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。

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 .

单一列表概念&程序集数据模型中的一个列表描述数据中的一个新层面。

Single list concept & A list in the assembly data model describes a new dimension in the data .