基于数据仓库的决策支持系统框架

数据仓库技术是在充分地开发信息资源的迫切要求下产生并迅速发展起来的一个国际前沿研究新领域 .本文分析传统决策支持系统开发中存在的问题 ,探讨数据仓库技术在决策支持系统建立中的应用 ,提出基于决策支持系统的基本结构框架 ,并讨论系统建立中数据仓库的数据组织与设计、数据挖掘层次空间的建立、知识发现方法等技术关键 ,最后进一步阐述系统的建立方法 .     

多准则决策评价系统设计

针对产品设计中方案设计与评价的复杂的决策问题 ,研究并设计了基于知识的 ,有限方案的多准则决策评价系统 .文章从系统的体系结构、功能结构、数据结构、工作机制 ,以及实现途径等方面进行了阐述 .首先综合考虑技术及经济等各项设计指标 ,建立并维护多准则的决策指标模型 ;然后以知识库、模型库、数据库、方法库等信息源为基础 ,设计各种信息处理工具 ,包括知识处理工具、方案处理工具、多准则决策评价工具 ;综合运用知识推理以及多准则决策评价方法 ,按评价指标模型 ,对有限的待选方案进行评价与排序 ,最后综合分析的结果为复杂的方案论证过程提供科学的决策依据.     

A multiperspective systems-based framework for decision support systems design

This paper reviews the dominant approaches to the design of decision support systems with reference to recent developments in information technology. The complexities and difficulties of the various developments are also discussed and their implications explored. A multiperspective, systems-based framework is presented which aims to lessen these difficulties. The framework is based on the theory and concepts of critical systems thinking.     

多级分布式实时火控网络开发环境研究

根据舰载火控系统的特点采用先进的计算机网络技术，模拟舰载火控系统产生敌、我航行参数、参数传递、火控计算、输出射击诸元和攻击图形监视等。给指控中心发送信息，接收指控中心发来的指令并按指令完成相应的功能。实现实时火控系统的仿真、设计方案选优和性能指标比较及作火控系统精度分析。     

Using Critical Social Heuristics and Project-Based Learning to Enhance Data Warehousing Education

The aim of this paper is to demonstrate how project-based learning can be used from a critical systems perspective in data warehousing education. Data warehousing is a discipline in information technology focusing on providing data-driven decision support systems for strategic decision making. In this study we used action research from a critical (emancipative) perspective to reflect on our current instructional design of the data warehousing module before redesigning it to better serve the needs of the involved and affected. We used critical systems heuristics and project-based learning as frameworks of understanding to guide our intervention. Project-based learning is a learning/teaching approach aimed at organising the learning experience in terms of a project. We used written interpretive interviews in the diagnosis and evaluation of success phases of our action research cycle. Our reflection is according to the action research model of Checkland reflecting on our success in the area of application (data warehousing instruction) as well as our methodology (action research from a critical social theory perspective) and our framework of ideas (project-based learning and critical social heuristics).     

Analysis and Study of Parallel Processing Mode inVLDB Decision Support System

1.PROBLEMSOFMISANDDSSMISprovidesallthebasicinformationindatabaseandcanderivelogicalinformationofdifferentapplicationfromacertainorganization.Afterseveralinteractiondesign,thedatabasesystemcanapproachperfectly.ThisisthecurrentconditionofmostMISdesigninChina.However,withthedevelopmentofMIS,ithasbeenrealizedthatthemorecomprehensiveandwide-rangeinformation,thelongertheresponsetimeofMISsystemworkingmeclianism,andthedatabasefilesofsuchaMISexceed4oorv5oo,whichisavery-largescalesystem.Th…     

KDD*SS的知识库结构设计与实现

针对知识发现系统的不同应用场合,实现了一套基于各类关系型数据库的通用型知识发现工具的数据预处理子系统。该系统通过ODBC可访问各类关系型数据库,并运用数据库系统的视图机制、数据仓库的主题思想以及语言场理论等思想方法,在用户没有建立数据仓库的情况下,可利用此系统自主建立灵活的知识发现系统。给出了该系统的具体功能和实现方法,并对未来的工作做出了展望     

决策支持系统发展的新阶段

针对决策支持系统（ＤＳＳ）的多元化发展态势,本文从５个方面进行了概括总结,勾画出由传统ＤＳＳ到智能ＤＳＳ再到人机智能化决策系统这条智能化发展主线,从而指出人机智能化决策系统是ＤＳＳ发展的新阶段．文中着重讨论了人机智能化决策系统的特征及其与智能ＤＳＳ的区别,对人机智能化决策系统的结构与进化问题也进行了分析说明．     

ADAPTIVE SYSTEMS THEORY： SOME BASIC CONCEPTS, METHODS AND RESULTS

The adaptive systems theory to be presented in this paper consists of two closely related parts: adaptive estimation (or filtering, prediction) and adaptive control of dynamical systems. Both adaptive estimation and control are nonlinear mappings of the on-line observed signals of dynamical systems, where the main features are the uncertain-ties in both the system‘s structure and external disturbances, and the non-stationarity and dependency of the system signals. Thus, a key difficulty in establishing a mathematical theory of adaptive systems lies in how to deal with complicated nonlinear stochastic dynamical systems which describe the adaptation processes. In this paper, we will illustrate some of the basic concepts, methods and results through some simple examples. The following fundamental questions will be discussed: How much information is needed for estimation? How to deal with uncertainty by adaptation? How to analyze an adaptive system? What are the convergence or tracking performances of adaptation? How to find the proper rate of adaptation in some sense? We will also explore the following more fundamental questions: How much uncertainty can be dealt with by adaptation ? What are the limitations of adaptation ? How does the performance of adaptation depend on the prior information ? We will partially answer these questions by finding some “critical values“ and establishing some “Impossibility Theorems“ for the capability of adaptation, for several basic classes of nonlinear dynamical control systems with either parametric or nonparametric uncertainties.     

基于在线聚类的机器人自适应模糊建模

针对机器人这种具有时变、强耦合和不确定性的复杂非线性被控对象,提出一种基于在线聚类的模糊自适应方法用于机器人系统建模。建模过程中采用在线聚类算法辨识机器人T-S模型的前提参数,采用递推最小二乘算法(RLSE)辨识结论参数,根据过程中新的数据信息,模糊规则可以自动增加、修改和删除,实现了模型结构和参数的在线辨识和更新,而且该方法具有模型结构简单、建模速度快、精度高等优点。最后通过二自由度机器人仿真研究证明了该方法的有效性和优越性。     

考虑组合信息的O2O平台交易仿真

借助APP达成的交易中,信息以组合信息形态介入交易过程。将双边市场信息进行三阶组合信息分类。引入三阶组合信息对应度量：信息接受度、信息差异度及信息损失度,设计Swarm类库与交互Agents,构建封装Consumer/Seller/PlatformAgents的O2O(online to offline)平台交易模型。以组合信息度为系统调用与判定条件,GUI(graphical user interface)输出仿真结果。组合信息对O2O平台交易量、平均交易满意度、总利润与总交易成本产生影响。组合信息值处于中等水平时,平台交易状态更稳定。本研究为监管介入双边市场提供理论依据。     

基于数据挖掘的HLA仿真系统测试与评估

针对高层体系结构(high level architecture,HLA)仿真产生的海量数据,利用数据仓库以及数据挖掘技术进行测试与评估。通过基于HLA的C4ISR系统仿真为例,介绍了仿真数据仓库的存储模型。以战场中感知信息与客观信息的偏差程度作为评估指标,运用商业智能软件COGNOS,对C4ISR系统的情报侦察与电子对抗能力进行评估,发现并改正了仿真过程中出现的问题。实践证明了设计方案的有效性。     

数据库技术在城市交通信息服务系统的应用

在介绍发达国家的城市交通信息服务系统的基础上,针对数据库技术的最新进展,提出了数据库技术在城市交通信息服务系统的应用.在系统地介绍数据库技术的发展历程的前提下,特别针对移动信息服务系统和公用信息服务平台,详细分析了作为关键技术之一的移动数据库技术和数据仓库技术的应用,提出了数据库技术在城市交通信息服务系统的应用框架.     

基于电子商务的区域仓储网络设计与实现

从地区范围的角度对仓储服务经营模式进行研究，将仓储作为一种可以进行价值挖掘的特殊地产，提出基于电子商务的仓储服务经营新模式，并在地理范围内建立一个以各个企业仓储资源为基础，以电子商务为交易手段的仓储网络，并以中间件技术实现在线交易、仓库电子地图、仓储服务期货以及仓储设施投资等多样化的服务功能，试为改变我国目前仓储服务相对落后提供参考。     

Information systems with partially unknown purposes

In “traditional” information systems design theory it is usually assumed that the information system to be designed has, at least in principle, a well-defined purpose, that is, a purpose from which it is possible to derive, among other things, the information needs to be satisfied by the information system. However, there is a category of information systems of growing practical significance, where the purposes are partially unknown. Some examples of types of information systems which typically belong to this category are decision support systems, executive information systems, statistical information systems, scientific information systems, and metainformation systems. When an information system belonging to this category is going to be designed, it is usually impossible to specify its usage with great precision. The business decisions, research problems, or whatever kind of activity it is that the information system is going to support may not yet even have been thought of; they may lie a long time ahead, and by then many things may have changed within the area of interest and its environment, as well as in the focus of interest of the information system users. This paper discusses some of the methodological challenges posed by information systems with partially unknown purposes.     

基于FPDP的高速数据采集系统设计新方法

基于前面板数据端口 (frontpaneldataport,FPDP)总线传输标准 ,提出一种高速数据采集系统设计新方法。FPDP总线为 32位的并行同步总线 ,提供多块VME总线板之间的高速数据传输 ,总线设计不允许地址信息传递。在数据采集系统中 ,利用FPDP总线可实现系统的高速数据传输 ,同时提高了系统的输入输出和并行处理能力。     

基于数据仓库的电力决策支持系统的设计研究

数据仓库(data warehouse)和联机分析处理(online analytical processing,OLAP)是决策支持系统的有机组成部分.介绍了数据仓库和OLAP技术的有关概念和内容,以宝钢的电力系统为研究背景,研究运用数据仓库和OLAP建立电力决策支持系统,为电力系统经济运行的决策支持提供有效手段.     

基于数据仓库的军事后勤决策支持系统研究

针对以往军事后勤决策支持系统 (decisionsupportsystem ,DSS)在管理上的不足 ,提出了基于数据仓库的军事后勤决策支持系统 (DSS)。给出了数据仓库的概念以及在线事务处理 (onlinetransactionprocessing,OLTP)与在线分析处理 (onlineanalysisprocessing ,OLAP)的区别与联系。构建了军事后勤DSS的应用体系结构 ,对各部分的功能作了介绍 ,设计了军事后勤数据仓库和数据集市的初步框架以及用分布式数据库和分布式数据仓库实现整个后勤数据仓库的构想 ,从而保证总部与各军分区信息共享     

Applying XML for designing and interchanging information for multidimensional model

1.INTRODUCTION Duringtherecentyears,theenterpriseshavebeen askingforsupportintheprocessofextractinguseful,concise,handyinformationfordecision makingoutof thetonsofdatastoredintheirexpensiveandcomplex informationsystems.Themultidimensionalmodeling isoneofitskeytechniques[1].AsstatedinRef.[2],oncedevelopersdefinethemultidimensionalmodel structure,userscandefineasetofinitialrequire mentsasastartingpointforthesubsequentdata anal ysisphase.Fromtheseinitialrequirements,userscan applyasetofon li…