查询优化是异构信息集成系统中非常重要而又十分复杂的问题。
Query processing is one of the key techniques in HIIS, and query decomposition, scheduling and optimization are the central problems for query processing.
本体可以应用于知识管理、系统分析、异构信息集成等领域。
Ontology can be used in knowledge management, system analysis, and heterogeneous information integration.
该系统可提供各信息源灵活、动态发布自身服务的功能，从而为快速构建异构集成系统提供了性能保证。
The system provides the function of publishing the sources' services flexibly and dynamically, hence making it possible to construct heterogeneous integration system immediately.
该系统的实现也为电子商务中广泛应用的异构信息源集成提供了关键技术支持。
It also provides a crucial method for integration of heterogeneous information source in E-Commerce.
异构PDM系统之间产品设计信息的集成是实现企业间集成的必要条件。
The integration of product design information of heterogeneous PDM systems is the basis for the integration of enterprises.
讨论了OPC、DDE在异构生产过程控制系统的信息集成中的应用，最后给出了一个应用实例。
We discuss the application of DDE and OPC in information integrating of heterogeneous control system, and give an application example.
文章认为发电厂IT系统的信息集成涉及许多异构的数据源，并且有不同程度的实时信息查询的需求。
The information integration of IT systems in power plants involves many heterogeneous data sources, and has the demand for real-time information query.
如何高效地提取数据中的信息，如何将纷繁复杂的网络异构数据集成在一起，是当前系统集成中系统开发者所面临的一大难题。
How to extract information of the data efficiently and how to integrate numerous and complicated network heterogeneous information are puzzles that face developers of system integration at present.
本体技术解决了信息集成中的语义异构性问题，从而实现了信息系统间的语义互操作。
Ontology technique resolves the problems of semantic heterogeneity in information integration which realizes the semantic interoperability between information systems.
其中主要解决了两个问题：校园综合信息平台系统的建立和异构数据的集成访问。
Two main problems we solve are: establishment of the campus' virtual database; integration access heterogeneous data.
本体可以应用于知识管理、系统分析、异构信息集成等领域。
Ontology can be used in knowledge management, system analysis, and heterogeneous information integration. As an illustrati…
该方案实现了异构数据库的透明访问和联合查询，为企业信息系统集成提供了一种技术方法。
It achieves transparent access and unified query, and provided one technical method for the enterprise information system integration.
该系统能集成机械设计常用的资源信息，并能满足分布式异构系统的互操作。
NET framework technology, which can be used for the integration of common resource information of mechanical design and satisfy the inter operation of distributed, heterogeneous systems.
本文的创新性成果有：建立了三层B/S体系构架的PDM系统，以满足分布异构的信息集成的需求。
The main contributions of this paper includes:To meet the requirement of distributed information integration, a 3-layered B/S PDM system has been built.
由于网络知识资源的异构性，知识融合系统需要对多源数据、信息进行集成与整合并消除歧义。
As a result of heterogeneity of network knowledge resources, knowledge fusion systems have to integrate and combine the multi-source data and information and reduce the ambiguity.
本文针对异构信息系统集成问题，结合面向服务的体系结构(SOA)的设计思想和实现技术，提出了分层服务集成架构(lsi)。
A Layered Service integration framework (LSI) was proposed through integrating the Service Oriented Architecture (SOA) technologies to resolve heterogeneous information system integration problems.
本文针对异构信息系统集成问题，结合面向服务的体系结构(SOA)的设计思想和实现技术，提出了分层服务集成架构(lsi)。
A Layered Service integration framework (LSI) was proposed through integrating the Service Oriented Architecture (SOA) technologies to resolve heterogeneous information system integration problems.
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