浅谈企业数据的共享

数据是一种重要的企业财富。在信息化的社会,对企业数据进行最广泛的共享、最快捷的流通以及深层次的挖掘,可以提高企业的生产和经营管理水平、提高相关决策的效率和质量,从而提高企业经济效益与核心竞争力,为企业带来最大的效益。因此,如何实现数据的流通和共享,是企业亟待解决的问题。     

构建企业网络病毒防护系统

本文针对某企业网络病毒防护系统构建的案例进行分析，分析当前防病毒软件部署现状和病毒传播、感染的途径、方式．描述了如何部署企业网络的病毒防护系统。     

Static verification of component composition in contextual composition frameworks

Contextual component frameworks, such as Enterprise JavaBeans (EJB), allow for components to specify boundary conditions for the runtime context. These conditions are satisfied at runtime by services of the underlying platform, thus ensuring that the context in which components run exhibits properties that allow them to operate correctly. Depending on how components call each other, it is possible that satisfying such conditions lead to problems such as reduced performance due to redundant service execution, or permanent errors (composition mismatches), due to incompatible boundary conditions. Currently, the semantics of these boundary conditions are expressed in natural language only, making it impossible to incorporate them into an automatic analysis tool. Furthermore, early understanding of how components call each other would be necessary, but it is currently difficult to achieve by means of a tool, as the method dispatch rules in a component system differ from the dispatch rules of the programming language(s) in which they were developed. We have developed a metamodel, , for describing boundary conditions, an analysis method, , and a static component-level call graph extraction method for EJB applications, CHA _EJB . uses models to analyze inter-component call graphs, and thus detect problems such as composition mismatches or redundancies, thus allowing for remedial action to take place. We present and CHA _EJB in this article, show that produces correct results, and describe a prototype analysis tool implementing the three, which we used to validate our approach on two popular EJB applications. The support of the Informatics Commercialisation initiative of Enterprise Ireland is gratefully acknowledged.     

A hybrid ensemble approach for enterprise credit risk assessment based on Support Vector Machine

Enterprise credit risk assessment has long been regarded as a critical topic and many statistical and intelligent methods have been explored for this issue. However there are no consistent conclusions on which methods are better. Recent researches suggest combining multiple classifiers, i.e., ensemble learning, may have a better performance. In this paper, we propose a new hybrid ensemble approach, called RSB-SVM, which is based on two popular ensemble strategies, i.e., bagging and random subspace and uses Support Vector Machine (SVM) as base learner. As there are two different factors, i.e., bootstrap selection of instances and random selection of features, encouraging diversity in RSB-SVM, it would be advantageous to get better performance. The enterprise credit risk dataset, which includes 239 companies’ financial records and is collected by the Industrial and Commercial Bank of China, is selected to demonstrate the effectiveness and feasibility of proposed method. Experimental results reveal that RSB-SVM can be used as an alternative method for enterprise credit risk assessment.     

A requirements engineering framework for cross-organizational ERP systems

The development of cross-organizational enterprise resource planning (ERP) solutions is becoming increasingly critical to the business strategy of many networked companies. The major function of cross-organizational ERP solutions is to coordinate work in two or more organizations. However, how to align ERP application components and business requirements for coordination and cooperation is hardly known. This paper reports on the outcomes of applying a coordination theory perspective to an analysis of the ERP misalignment problem. We present a conceptual framework for analyzing coordination and cooperation requirements in inter-organizational ERP projects. The framework makes explicit the undocumented built-in assumptions for coordination and cooperation that may have significant implications for the ERP adopters and incorporates a library of existing coordination mechanisms supported by modern ERP systems. We use it to develop a proposal for how to achieve a better alignment between ERP implementations and supported business coordination processes in inter-organizational settings. We report on some early assessments of the implications of our framework for practicing requirements engineers. Both our framework and library rest on a literature survey and the first author’s experience with ERP implementation. In future empirical research, we will further validate and refine our framework.     

Challenges of Enterprise Resource Planning implementation in Iran large organizations

An Enterprise Resource Planning (ERP) system is a fully integrated business management system covering functional areas of an enterprise like Logistics, Production, Finance, Accounting and Human Resources. The implementation of this system is a difficult and high cost proposition that places tremendous demands on corporate time and resources. Most of the ERP implementations have been classified as failures because they did not achieve predetermined corporate goals. The main goal of this research is determining the most important challenges of ERP implementation in Iran large organizations and our case study was the Isfahan Telecommunication. The population of this study consists of the 1500 employees of this organization from which 40 experts and employees were selected randomly and uniformly as a sample. We used questionnaire and interviews to collect data and analyzed them by SPSS using one sample t-test. The result of the study shows that the most important challenges of ERP implementation are organizational barriers, especially lack of human resources with the weighted average of 267.33. The next important issues of ERP implementation are technological factors such as unbalanced combination in team projects and then individual factors like lack of senior executives׳ involvement with the weighted average of 48.8 are the least important challenges in ERP implementation.     

一种企业应用集成服务器的设计方案

提出了一种应用集成服务器的设计思想。该设计着眼于实现企业信息系统整体性和灵活性，定位于为企业应用实现在应用集成意义上的工作流集成，并为企业向完全意义上的业务过程集成提供过渡手段。     

基于EVMS的带外虚拟存储系统结构

分析当前网络存储系统存在的问题,给出一种基于企业卷管理系统技术的带外虚拟网络存储系统基本结构。分别阐述该存储系统的客户端、内部数据的读/写操作、存储系统在线存储容量扩展、负载均衡和元数据异步更新等算法的设计思想与实现方法。     

企业技术支持信息系统(TSIS)的设计和实现

高效的企业技术支持是提高工作效率的必要手段,文章通过分析企业技术支持的需求,开发了通过网络快速实现企业技术支持的TSIS系统,并介绍了该系统的设计目标、总体框架和实现技术等内容。     

企业网络信息安全技术研究

随着企业信息化的不断发展,网络信息的安全越来越受到各个企业的关注。本文分析了企业网络信息当前存在的主要安全隐患,对企业网络信息安全技术进行研究,并结合企业网络安全需求,从技术方面出发提出了解决企业网络安全的策略。