The first issue with data mining of distributed data sources is discovery.
分布式数据源数据挖掘的第一个问题是发现。
Ontology-based semantic information integration resolves the schema level heterogeneity and part of data level heterogeneity between distributed data sources.
基于本体的语义信息集成主要解决分布异构的数据源之间的模式级异构和部分数据异构（包括同义字和同音异义字）。
Decision support: Many decision-support scenarios such as those that address financial analysis and reporting require access to data distributed across a wide range of sources.
决策支持：许多决策支持场景，如那些处理财务分析和报告的场景，需要访问分布于各种数据源中的数据。
In Figure 1, you can see that the data capture environment is intended to run in a distributed model and close to the event data sources.
在图1中，您可以看到数据捕获环境用于在一个分布式模型中运行，并且靠近时间数据资源。
Take advantage of the data source processing strengths and unique optimizations, by sending distributed requests to the data sources for processing.
将分布式请求发送到数据源进行处理，利用数据源的处理能力和特有的优化能力。
The federated server automatically generates distributed requests to multiple data sources in response to a single application SQL statement.
为响应一个应用程序SQL 语句，联邦服务器自动生成到多个数据源的分布式请求。
With a federated system, you can use a single SQL statement to send distributed requests to multiple data sources.
有了联邦系统，便可以使用一条SQL语句将分布式请求发送到多个数据源。
Unified access to distributed heterogeneous data sources
对异构型分布数据源的统一访问
From the event-flow diagram in Figure 1, you see that the data Capture environment is intended to run in a distributed model near the event data sources.
从图1中的事件流关系图中，可以发现DataCapture环境将在事件数据源附近的分布式模型中运行。
SPARQL was designed to be capable of querying multiple data sources distributed across the Web.
SPARQL被设计成能够查询 Web 上分布的多个数据源。
The Loess Plateau data warehouse system is a distributed data warehouse including several heterogeneous da-ta sources.
黄土高原数据仓库系统以分布式数据仓库为核心，包含多个异质数据源。
One of these is the grid which supports many virtual services, such as federated access to distributed data, dynamic discovery of data sources, etc.
网格服务可以支持分布数据、动态资源发现、访问透明性、动态负载平衡等虚拟服务。
Data warehouse have emerged as on key technology for the integration of distributed information sources.
数据仓库作为一种对分布式信息源集成的关键技术而出现。
Main functions of data access middleware are location transparency, distributed data query, transaction process and heterogeneous data sources compatibility.
数据服务中间件的主要功能包括数据的位置透明性、分布式数据查询、事务处理、异构数据源兼容。
There exist both schema and context heterogeneity between distributed, heterogeneous data sources.
在分布异构的数据源之间不仅存在模式异构，而且存在上下文异构。
By building the relations between different kinds of application systems and data sources, SOA can integrate the heterogeneous applications and make up the flexible distributed application system.
通过在不同的应用系统和数据源之间建立联系，SOA能够将各种异构应用集成起来并组成灵活的分布式应用系统。
By building the relations between different kinds of application systems and data sources, SOA can integrate the heterogeneous applications and make up the flexible distributed application system.
通过在不同的应用系统和数据源之间建立联系，SOA能够将各种异构应用集成起来并组成灵活的分布式应用系统。
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