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1.
NetMagic平台硬件开发方法   总被引:2,自引:0,他引:2  
NetMagic作为支持网络研究的实验平台,已经获得广泛应用。NetMagic平台采用决策与执行相分离的原则和扩充Rule接口的方式,进一步降低了NetMagic平台硬件开发的复杂性。基于用户自定义逻辑UM的NetMagic硬件开发方法和UM开发接口规范的提出不但有效简化了用户逻辑设计工作,而且支持NetMagic资源的优化利用。基于NetMagic平台设计的N-Probe为NetMagic的硬件开发提供了一个典型的参考模型。  相似文献
2.
Definition and basic properties of the deva meta-calculus   总被引:1,自引:1,他引:0  
This article presents the definition and some basic properties of the Deva meta-calculus, a generic logical framework whose design was driven by the needs arising from the instantiation to software development methods. As a result, Deva contains structures that do not occur in comparable logical frameworks. There now exist a number of case studies about the formalization of software development methods in Deva. In this article, a structured definition of Deva is presented and basic parts of its language theory, viz Church-Rosser, closure, and strong normalization, are summarized.Major parts of the work reported here were carried out while the author was under contract at the German National Research Centre (GMD) in Karlsruhe and at the University of Karlsruhe  相似文献
3.
Learning failure in information systems development   总被引:1,自引:1,他引:3  
Abstract. Abstract. Information systems development is a high-risk undertaking, and failures remain common despite advances in development tools and technologies. In this paper, we argue that one reason for this is the collapse of organizational intelligence required to deal with the complexities of systems development. Organizations fail to learn from their experience in systems development because of limits of organizational intelligence, disincentives for learning, organizational designs and educational barriers. Not only have many organizations failed to learn, but they have also learned to fail. Over time they accept and expect poor performance while creating organizational myths that perpetuate short-term optimization. This paper illustrates learning failure in systems development and recommends tactics for overcoming it.  相似文献
4.
一种模型驱动的交互式信息可视化开发方法   总被引:1,自引:1,他引:5  
设计与实现面向领域应用的交互式信息可视化软件十分困难.缺乏统一的开发方法与支撑工具箱,为非专家用户提供对层次、网络、多维等数据类型的统一支持,对各种可视化技术与交互技术的统一支持,以及对信息可视化任务的统一支持针对此问题,提出了一种模型驱动的交互式信息可视化开发方法Daisy.首先,提出了交互式信息可视化界面模型IIVM(interactive information visualization interface model);然后,提出了基于IIVM的交互式信息可视化开发方法Daisy,讨论了该方法的两个核心技术:IIVM建模与描述文件生成方法、系统自动生成方法.同时。给出了Daisy工具箱,包括Daisy建模工具、Daisy系统自动生成工具以及运行时框架与组件库.最后,给出了该开发方法与工具箱的应用实例.实例表明,该方法能够为交互式信息可视化开发的统一支撑方法问题提供一种有效的解决方案.  相似文献
5.
信息系统中的角色网络模型和方法研究 *   总被引:1,自引:1,他引:0  
通过对组织的一般要素及其关系的分析 ,建立了角色网络模型 ,并给出了相应的数学描述 ,阐述了角色网络开发方法。在此基础上介绍了一种信息系统开发支撑平台 ,并将其应用于实际项目的建设。  相似文献
6.
Although many web development methods exist, they are rarely used by practitioners. The work reported here, seeks to explain why this might be so, and suggests that, for many, the perceived benefits may be outweighed by the difficulty or effort required to learn the method. In attempting to gauge the utility of methods the authors undertook a 2-year study of 23 small web development projects, attempting to use a range of published (academic) methods. Of the 23 projects we found only one case where the developer continued to use an academic web development method throughout the lifecycle. The ability to understand a method and/or its techniques was repeatedly cited as the reason for its abandonment. Our findings also indicate a number of key areas, relating to terminology, completeness, and guidance, where existing methods may be failing their intended users. In attempting to further our understanding of web development methods we completed a comprehensive survey of web development methods; covering 52 web development methods, encompassing a range of different research communities, and drawing upon 63 different sources. Our findings here shed some light upon the confusion of methods for the would-be user. In summary, the findings are that, although there is much of value in a variety of methods, method choice is somewhat bewildering for the newcomer to the field, and many methods are incomplete in some dimension. By providing this work we hope to go some way towards supporting the software engineering community, in both academia and industry, in their understanding of the quality issues that exist with the take up and use of web development methods.
Jonathan VincentEmail:
  相似文献
7.
针对复杂信息系统需求分析面临的一系列问题,提出了一套符合复杂信息系统特点要求的,基于多视图的复杂信息系统需求开发方法.从决策人员、业务使用人员、系统建设人员以及系统维护人员等不同类型人员的视角出发,建立了由规划需求视图、业务需求视图、系统需求视图和技术需求视图等4个视图共同构成的复杂信息系统需求组成框架.针对需求视图中各需求产品的特点,给出了规范化的描述方法体系,并规定了需求开发的基本流程.最后通过实际应用验证了本方法的可行性与有效性.  相似文献
8.
讨论了几种单元测试工作量估算方法各自的优缺点和对推荐方法的修正。根据实践经验,提出了一些有助于提高估算准确度的经验数据。  相似文献
9.
文俊浩  田清  李朋 《计算机工程》2011,37(19):35-37
针对某公司互联网产品的开发项目,分析基于Scrum的软件敏捷开发过程,给出其缺陷管理目标,即敏捷地响应缺陷和实时地改进开发过程,设计相应的缺陷管理方法,包括缺陷管理流程模型以及缺陷度量方法。在此基础上,开发缺陷管理工具RQMS并加以应用。应用结果表明,该缺陷管理方法在基于Scrum软件敏捷开发中具有较好的效果。  相似文献
10.
由于现实世界不断变化,政府部门或企事业单位的关联系统将不可避免地遇到不确定的需求,针对这种需求的几个技术方法,重要的是提取、捕获、分析客户的变化需求,解决方案能应对这种变化并保持一致地改进系统的行为。通过分析传统的软件开发技术和基于知识的软件工程方法。认为基于知识的关联多系统的软件工程方法是今后的发展方向。  相似文献
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