层次数据库
- 网络hierarchical database;IMS
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本文阐述了系统的体系结构,说明了索引库、WEB多层次数据库、数据仓库、数据收集器、数据预处理器和综合数据挖掘器等组成部分的基本功能。
The thesis explains the systematic structures , the basic functions of index storehouse , WEB multi-level databases and other constitutes .
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提供了对不同数据源的支持,例如基于文件的半结构化文档、关系和层次数据库、Web和目录服务,以及应用服务器和事务服务器。
Support is provided for a diverse set of data sources , like file based semi-structured documents , relational or hierarchical databases , Web and directory services , and application and transaction servers .
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BGS的数据库系统是层次数据库,在设计阶段,采用面向对象的方法对层次数据模型进行分析,并使用UML语言进行系统建模。
The database of BGS is a hiberarchyed database . In the phase of designing author analysed the system using object-oriented method and constructed a model of the system by UML .
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分布式多层次数据库应用模型研究
Study on the Model of Distributed Multi-tiered Database Application
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一种基于概念层次数据库挖掘一般化关联规则的算法研究
Research on the Algorithm for Mining Generalized Association Rules Based on Taxonomic Quantitative Databases
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对于物理记录的处理:层次数据库中所存储的记录是由应用程序来直接操纵的。
Deals with physical records : The records stored in hierarchical databases are manipulated directly by an application .
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针对单个问题的优化:本质上,层次数据库就通过一条指定的路径来优化数据访问。
Optimized for one problem : By their nature , hierarchical databases optimized access to the data through one specific path .
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数据库技术经历了从层次数据库、网状数据库到关系数据库以及面向对象数据库的发展,已成为计算机信息系统中的重要基础和支柱,并在传统的商业和事务处理等领域内趋于成熟。
The technology of database develops from hiberarchy database , retiform database to relational database , even OO database , that has become to the base of information system .
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大多数情况下,就用户而言,他们不关心我们的工作是使用层次数据库、关系数据库、面向对象数据库、平面文件系统,还是魔术来完成。
In most cases , users don 't care if their job is accomplished with hierarchical databases , relational databases , object-oriented databases , flat-file systems , or black magic .
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文章从企业数据环境的角度,给出了企业数据库体系化环境的概念,说明了各层次数据库的作用,探讨了数据库体系化环境的建设。
The paper , from angle of enterprise data environment , presents the concept of enterprise database architecture environment , expounds the functions of each hierarchy of database , and discusses the problems of establishing database architecture environment .
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一种嵌入式GIS多比例多层次空间数据库模型结构
Multi-Scale and Multi-Layer Spatial Database Structure in Embedded GIS
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“计算列表纪录公司”更名为IBM——国际商业机器公司,“杰瑞的网络指南”更名为“雅虎”(Yahoo),这是“另一种非官方层次化数据库”的首字母缩写。
Computing Tabulating Recording Corporation became IBM ( International Business Machines ) , while Jerry 's Guide to the World Wide Web became Yahoo , an acronym for Yet Another Hierarchical Officious Oracle .
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计算列表纪录公司更名为IBM&国际商业机器公司,杰瑞的网络指南更名为雅虎(Yahoo),这是另一种非官方层次化数据库的首字母缩写。
Computing Tabulating Recording Corporation became IBM ( International Business Machines ), while Jerry 's Guide to the World Wide Web became Yahoo , an acronym for Yet Another Hierarchical Officious Oracle .
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在设计层次型数据库时,一个较好的设计方法是分二步走:首先利用实体联系方法抽象出现实世界的实体联系模型,然后将实体联系模型变换到具体DBMS所支持的层次型模型。
A good algorithm to design such a hierarchical database consists of two steps , first , to describe real world in E-R model and then , convert it to the model supported by the DBMS .
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根据AMPES及各模块功能要求,分层次设计数据库,对综合数据库和各模块数据库的关系、层次结构、数据库中所含表的数量及表的具体结构进行了详细设计。
According to AMPES and the function requirements of each module , database were design in hierarchical , and relations between integrated databases and module databases , hierarchical structure , the quantity of tables in database and the specific structure of tables were designed detailedly .
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从会晤层,模式层和语义层三个层次对数据库应用层的入侵攻击进行检测;
Focusing on database application-level intrusion behaviors ; ( 2 ) .
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太多概念多层次概念数据库的模型
Too Many Ideas A Model of Multi Hierarchy Conception Database
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一种多层次概念数据库的构造方法
A Method for Constructing Multiple Layered Concept Database
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基于层次模型数据库的算法设计
Algorithm design based on hierarchical model database
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基于三层次的数据库加密应用系统
Three-layer application system for database encryption
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在整合现有资源的基础上,分步骤建立多层次的数据库。
On the basis of combining existing resources , set up multi-level database step by step .
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系统可以划分为三个层次:数据库服务层、比对与分析服务层和客户端交互层。
The system can be divided into three levels : database services layer , and analysis service layer and client interaction layer .
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层次型数据库按树型组织记录,每一层的记录分解成更小的属性集。
The records in hierarchical databases are organized in a treelike structure , with each level of records branching off into a set of smaller categories .
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分析设计了两种不同层次的数据库加密系统,提出了动态密钥管理和密文数据库查询检索方案,并将其中一种方案予以实行。
The article analyzes and designs two kinds of database encryption systems in different layers , puts forward two projects : the management of dynamic key and the query of cryptograph database , and puts one of them into practice .
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为了提高运动搜索的速度,本文还采用了近似最近邻搜索算法(ApproximateNearestNeighbor,ANN)和骨骼结构的层次细节降低数据库维度的方法。
Approximate nearest neighbor ( ANN ) search algorithm is used to speed up the search process and a skeleton LOD is used to reduce the dimensionality of motion data .
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多层次天然药物数据库的构建太多概念
The construction of a multi-aspect Chinese traditional medicine database Too Many Ideas
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基于层次组织位置数据库的连续位置相关查询处理
Location-Dependent Continuous Query Processing Using Hierarchical Location Databases
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企业百科全书是拥有基于角色控制以及实例层次控制的数据库。
Enterprise encyclopedias are databases that have role-based access control and instance-level access control .
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为了构造概括数据库,提出了一个用位置概念层次概括原始数据库的算法。
To construct generalized databases , we propose an algorithm of summarizing the database using concept hierarchies .
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文章通过分析视频数据的特点,提出了在分段基础上的层次模型和数据库的组织。
In this paper , we analyse the features of video data , and present a kind of stratification data model based on segmented .