虚拟企业的信息系统集成框架

在分析虚拟企业信息系统特点的基础上,给出基于CARBA技术和多agent技术的虚拟企业信息系统集成框架;给出了集成框架各部分的主要实现方法。这种信息集成方法将在Internet环境下的其它信息系统的集成方面也会有重要的应用。     

企业信息系统的设计

企业信息系统的开发与使用是信息社会发展的又一硕果。文章着重介绍了该系统基本的设计思想和实现方法,以及发展前景。     

浅谈信息系统项目的风险管理

随着信息技术的高速发展,各种信息系统项目发展迅速。然而,类似建设工程项目一样,信息系统项目也存在各种不确定因素。在项目实施过程中,随时都有可能出现风险,从而产生各种问题。所以,我们需要做好信息系统项目的风险管理。在经过风险管理计划的编制、风险识别、定性和定量风险分析之后,笔者认为项目实施中最主要的风险有:项目频繁变更、系统功能和质量达不到要求、团队效率低下等,需要对其进行重点管理,采取相应的应对措施。对于其他相对次要的风险,也要给予一定的关注。最后,做好风险监督与控制。鉴于风险管理的重要性,我们必须高度重视,做到理论与实际相结合,真正做好信息系统项目的风险管理。     

The Three Domains of Information Systems Planning

As organizations move toward coordinating their information systems planning with overall corporate strategy, they will need a framework within which to consider related issues. Information systems planning techniques must not be embraced haphazardly; basing planning on the organization's priorities in three domains—efficiency, effectiveness, and competitiveness—may prove a key to success.     

新瓶装旧酒，MX分身有术——GeForce2 MX—200、MX—400第一手实测资料

本文分析了GIS的最新发展技术WebGIS技术的概念,并对传的GIS技术和WebGIS进行了比较,探讨了开发WebGIS的体系结构模型,介绍了WebGIS的应用及发展趋势。     

The Three Domains of Information Systems Planning

As organizations move toward coordinating their information systems planning with overall corporate strategy, they will need a framework within which to consider related issues. Information systems planning techniques must not be embraced haphazardly; basing planning on the organization's priorities in three domains—efficiency, effectiveness, and competitiveness—may prove a key to success.     

The Tedium Development Environment for Information Systems

This adaptable, flexible environment offers insights on how to enhance software-development productivity and maintainability.     

信息系统互操作

信息系统互操作归肖信息技术领域中一个研究热点。简要地介绍了互操作性的主要特征。主要应用领域及主要的研究方向。     

Pictorial Information Systems

A pictorial information system is a special type of information system supporting the manipulation, storage, retrieval, and analysis of pictorial data. In the past, pictorial information systems have usually been designed for specific applications. But recent advances in data base technology, computer graphics, and pictorial data structures have led to the development of more general-purpose systems. This special issue is a survey of several design aspects of these systems.     

合成信息系统与子信息系统

本文给出了对象合成信息系统、属性合成信息系统、对象子信息系统及属性子信息系统的定义,分别讨论了它们的上下近似算子与原信息系统的上下近似算子之间的关系．并给出了它们的一些实际应用。     

Executive Information Systems

There is no inexpensive way to develop or purchase a full-featured executive information system. These are highly sophisticated systems and their cost is beyond the budgets of many organizations. Alternatives are available, however, if an organization is willing to settle for less than a state-of-the-art system. The purpose of this article is to describe some of the alternative strategies available to organizations that want the capabilities of a full-featured system but are constrained from purchasing one because of limited resources     

Office Information Systems

In recent years, computer scientists have recognized the office as a natural environment for the application of computing technology. At the same time, there has been a growing awareness of the need for automated tools to increase the productivity of white-collar workers. In an ideal office environment, machines would assume all the repetitive, mechanical tasks, thus freeing people to concentrate on problems that require creative thinking. The key to providing these office tools is the representation and utilization of information about the business of the office. This special issue of Computer focuses on recent office information systems research that is directed at improving the environment and productivity of office workers.     

Information Immune Systems

The concept of an information immune system (IIS) is introduced, in which undesirable information is eliminated before it can reach the user. The IIS is inspired by the natural immune systems that protect us from pathogens. IISs from multiple individuals can be combined to form a group IIS which filters out information undesirable to any of the members. The relationship between our proposed IIS architecture and the natural immune system is outlined, and potential applications, including information filtering, interactive design, and collaborative design, are discussed.     

武警院校计算机信息安全保密探析

随着中国政府大力推动国家机关上网及实现办公自动化的进程,越来越多的党政及银行、军队等部门都建立了自己的内部计算机网络,武警部队也建立了三级网系统。由于这些内部网络涉及大量的秘密信息,所以信息安全保密工作不容忽视。     

信息系统批量数据录入的工程方法

本文提出了信息系统中大型批量数据录入的工程方法，介绍了一种数据录入工程方法的基本思想和阶段划分．     

移动智能体应用于网络信息系统

本文介绍了移动智能体的技术特征、一般运行模式及其技术实现手段,用JAVA技术实现了它的一种模型形式。详细介绍了移动智能体技术在网络信息系统纺织行业信息服务平台中的一些应用,该系统依照功能可以分为若干个自主智能实体-Agent,用Agent结构封装信息处理基本单元,这些Agent具有自治性/能动性强,主动合作性好等特点。针对Web信息处理系统的工作特点,运用移动智能体技术使Web服务器组达到动态负载平衡,使应用服务器组实现动态资源共享,构造了系统中几个关键部分的Agent信息流模型,确定了这种信息处理系统基本的工作模式。这种机制使Agent可以自主地根据所处环境及自身的状况,来自觉地调整下一步的运作,使系统有限的资源能够实时得到合理的调配利用。     

海洋地理信息系统国内外研究进展

２１ 世纪将是“海洋的世纪”,海洋将成为下世纪国际竞争和开发的重点领域。海洋地理信息系统可大大提高海洋数据的使用率和工作效率,并改善海洋数据的管理方式。海洋地理信息系统在海洋研究领域所起的重要作用,日益受到人们的重视。在分析了海洋地理信息系统的研究背景后,总结了国内外学者在此领域的研究状况,并对其发展前景作了简单的评述