空间数据网格来源于数据网格,本文对它的关键技术-元数据目录、数据代理和网格空间数据库进行了探讨研究。
Spatial data Grid derived from data Grid. In the dissertation, the key technology of Spatial data Grid, including metadata catalog, data broker and Grid Spatial Database are studied.
为了充分利用已有的数据资源,我们借鉴网格中的数据管理技术,提出使用元数据目录与访问代理相结合来管理分布式虚拟环境中数据的方法。
To make full use of the data resource, a hierarchy architecture of massive data management system based on Grid is proposed, which consists of Metadata Catalog and Access Broker.
空间数据网格通过元数据目录和数据代理,将网格环境下的目录服务器的元数据目录集成到一起,为客户端提供空间数据的统一的逻辑视图,实现目录服务器的协同;
The metadata catalog and data broker of Spatial Data Grid integrate the metadata catalog of grid to offer an uniform logical view for the client, Thus realize the cooperation of catalog server.
目录项事实上就是通过元数据描述的;实际上,如果在这样的应用程序中有一个搜索框,那么它通常只搜索元数据。
Catalog items are essentially described only by metadata; in fact, if there's a search box in such an application, it often only searches metadata.
这个网格文件系统不仅需要存储区块,还要存储元数据信息,像目录、文件名、文件大小、最后修改时间等。
The grid file system needs to not only store chunks, but also metadata information, such as directories, files, file sizes, last modification times and so on.
为了补充这个传统的“背后带有一整个系统的排架位置”,PPL决定使用BISAC让目录增加额外的元数据和分面检索功能。
To complement the traditional "shelf location with a system behind it," PPL decided to use BISAC to enrich the catalog with additional metadata and faceted browsing.
为了补充这个传统的“背后带有一整个系统的排架位置”,PPL决定使用BISAC让目录增加额外的元数据和分面检索功能。
To complement the traditional “shelf location with a system behind it, ” PPL decided to use BISAC to enrich the catalog with additional metadata and faceted browsing.
MEF为组件提供了目录机制和丰富的元数据,使得组件可以被动态搜索到。
MEF provides a cataloging mechanism and rich metadata for components to allow them to dynamically discovered.
不管是创建一个目录或文件,删除一个文件,或者是写入一个文件,元数据缓存器都要更新。
Whenever a new directory or file is created, a file is deleted, or whenever a file is written to, the metadata cache is updated.
事件目录是事件元数据的存储库,它为用户提供指定事件定义的能力。
The Event catalog is a repository of event meta-data and provides the user with the ability to specify event definitions.
这个目录还有不断增长的可收割、结构化的语义元数据,用来描述这些概念。
The catalog also has ever-increasing amounts of harvestable, structured, semantic metadata about its concepts.
在这些目录中,概念并非只是元数据的属性,或者是标目的一种形式,它是包含很多信息的参照点,人们可以借由它发现知识资源。
In these catalogs, the concepts aren't simply metadata attributes, or headings in a list of choices, but information-rich reference points for finding knowledge resources.
该工具用于更新存储在IIS元数据根目录下的脚本映射。
The utility works by updating the script maps stored in the IIS metabase root and below.
具体的一本本书构成了整个数据库,而这些目录卡片则构成了元数据库。
The actual books constituted the data, the catalogue cards the metadata.
不过,您应该警惕这种可能性,即插件创建者可能选择不遵循这一约定,而将元数据存储在其它一些位置,如系统temp目录。
However, you should be alert to the possibility that a plug-in author may have chosen to defy this convention and store metadata in some other location, such as the system temp directory.
可以使用概念来表示对某个其他元数据存储库中内容的引用,例如Portlet目录中的某个 Portlet或资产存储库中的某项资产。
You can use concepts to represent a reference to content in some other metadata repository, such as a portlet in a portlet catalogue or an asset in an asset repository.
ActiveDirector y域控制器通过使用复制元数据管理目录更改的传输。
Active directory domain controllers manage the transmission of directory changes through the use of replication metadata.
plugins目录内有一些文件夹,它们各自对应一个插件,以便维护它们自己的元数据。
Within the.plugins directory are folders, one for each plug-in that is maintaining its own metadata.
streamlined目录支持额外的元数据,而不会污染活动记录。
The streamlined directory allows additional metadata without pollution of Active Record.
插件元数据驻留在文件系统的.metadata/.plugins目录(相对于工作空间root)下。
Plug-in metadata resides on the file system under the .metadata/.plugins directory, relative to the workspace root.
但是,/etc/security目录包含的文件处理密码复杂性(user)、限制(limits)、加密的密码(passwd)和组元数据(groups)。
But, the /etc/security directory contains files that handle password complexity (user), ulimits (limits), encrypted passwords (passwd), and group metadata (groups).
服务的元数据,至少是WSDL和XSD,应该在一个服务目录或者服务注册中心(Service Registry)里注册。
Service metadata, at least WSDLs and XSDs, should be registered within a service catalog/registry.
接下来,运行bzrinit在当前目录中添加子目录 .bzr,这个目录用来包含存储库的帐目元数据。
Next, run bzr init to add a subdirectory named .bzr to the current directory to contain the bookkeeping metadata for the repository.
在Scenariob中,如果您想从其他目录导入其他元数据,则需要用到每个目录的另一个IBMCognos数据源连接。
In Scenario B, if you wish to import additional metadata from other catalogs, you will need to do so through another IBM Cognos data source connection for each catalog.
工具目录数据库包含在DB2UDB服务器上调度运行的所有任务的元数据(比如计划在每个周日早上一点钟运行的备份任务)。
The tools catalog database contains all the metadata about the tasks that are scheduled to run on the DB2 UDB server (for example, a backup task scheduled to run every Sunday at 1:00 a.m.).
为了使欧洲的所有建筑学数据更便于检索,几位用户创建了一个名为“欧洲建筑学目录元数据(MetadataforArchitecturalContentinEurope)”的分类树,这幅作品成功入围十佳。
To make all of Europe's architectural data easier to access, a community of users created the winning classification tree above, titled Metadata for architectural Content in Europe.
元数据缓存器将目录和文件的路径名称保存为键,将元数据保存为值(如文件长度、最后修改时间、标记该条目是文件还是目录等)。
The metadata cache contains the full path names of directories and files as keys and metadata (e.g. file length, last modification date, and whether the key is a file or a directory) as values.
提示:要将元数据导出到服务器上的目录,只需将到处命令XML中的元素值设置为false。
Tip: to export metadata to a directory on the server, just set the element value to false in your export command XML.
这是通过让XSLT处理器从刚刚创建的虚拟目录中读取HTTP上的各个IBMLotusQuick r文档元数据完成的。
This is done by having the XSLT processor read the individual IBM Lotus Quickr document metadata over HTTP from the virtual directory that was just set up.
这个关键的元数据设计得很紧凑,因而一个带有4G内存的Namenode足够支撑海量的文件和目录。
This key metadata item is designed to be compact, such that a NameNode with 4 GB of RAM is plenty to support a huge number of files and directories.
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