基于多Agent和CSCW的协同远程教学系统研究

基于多Agent和CSCW技术，提出在网络环境下构建一个协同远程教学系统，为分布在不同地点的教师和学生提供协同的虚拟教学环境。详细描述了系统的体系结构、设计思想、Agent的内部结构及多Agent的通信机制。     

基于多Agent的协同家具设计系统（CoFCADS）的研究

协同设计是实现并行工程的关键，CSCW为协同设计的实现提供了有力的环境和技术支持，本文简要介绍了Agent单元和多Agent系统的概念和特性，介绍了协同家具设计系统的Agent单元结构，提出了一个基于多Agent的协同家具设计系统模型，最后对基于多Agent的家具协同设计系统的两种实现模式进行了阐述。     

基于多Agent的协同家具设计系统(CoFCADS)的研究

协同设计是实现并行工程的关键,CSCW为协同设计的实现提供了有力的环境和技术支持。本文简要介绍了Agent单元和多Agent系统的概念和特性,介绍了协同家具设计系统的Agent单元结构,提出了一个基于多Agent的协同家具设计系统模型,最后对基于多Agent的家具协同设计系统的两种实现模式进行了阐述。重庆大学机械工程学院 付红桥 何玉林     

基于多Agent技术的分布式协同设计结构的研究

将多Agent技术引入协同设计中，使所构造的协同设计系统具有多Agent系统的分布性、协作性、智能性的特点。文中给出了Agent的结构、协同设计单元的多Agent组成和基于Web服务的整个协同设计系统的结构； 并对协同设计系统实现的一些关键技术进行了讨论，包括Agent的创建、Agent之间的交互、知识的共享和Agent之间的冲突的消解。     

AgletBlackboard：Aglets系统协同机制的扩充

随着Internet的不断发展，移动Agent技术的应用越来越广泛。实际的应用通常需要由多个移动Agent共同来完成任务，如何组织与协调移动Agent之间的行动带来了对分布式环境中移动Agent之间协同的研究。本文介绍了移动Agent的四种协同模式，并针对Aglets系统中Aglet之间通过直接协同存在的不足．设计实现了基于黑板协同模式的AgletBlackboard，进一步提高了Aglets系统的功能。     

基于多Agent的分布式协同KBE系统框架*

针对KBE系统在企业协同环境中应用的不足,提出一种基于多Agent的分布式协同KBE系统框架。在利用Agent技术对已有工程软件包装的基础上,通过多Agent的协同和交互,在系统和知识层面上实现并协调设计过程。为了支持跨领域的知识共享和重用,通过建立广义产品知识库来实现不同领域知识的描述和管理。     

基于多Agent的复合模型求解自适应QoS机制

在基于网络的分布式系统应用基础上，分析了大型复杂问题复合模型协作求解的过程特征描述，提出基于多Agent 的领域问题协作求解的主动控制策略，探讨了用户交互Agent、系统主控Agent、协作Agent以及模型Agent和数据Agent等复合模型协作求解的4种Agent类型。应用多Agent层次结构，提出一种复合模型协作求解的自适应QoS体系结构，通过实现复合模型协作求解的主动调度规划算法对其进行了验证，支持分布式网络环境下实现模型资源和数据资源的共享，以提高协同计算环境分布式问题协作求解的运行效率和服务质量。     

基于CSCW的多级协同教育规划

计算机支持的协同工作CSCW和多Agent系统是近年来人工智能领域中的研究热点。分析了计算机支持的多级协同教育规划的特点,然后给出了一种基于代理（Agent)的多级协同教育规划环境,并阐述了在此环境下多级协同规划的工作过程。     

计算机支持的协同钻井工程设计系统模型研究*

针对钻井工程设计具有群体性、分布性和协作性等特点,提出在计算机网络环境下,运用CSCW和Agent技术构建计算机支持的协同钻井工程设计系统。该系统可为钻井工程优化设计提供一个网上多群体协同设计的共享环境。详细描述了系统的结构模型﹑Agent的结构与通信机制以及用户管理与访问控制模型。     

基于多Agent的公安刑侦知识协同学习交流系统

基于多Agent技术,本文提出在网络环境下构建一个公安刑侦知识协同学习交流系统,为分布在不同地点的公安部门提供信息共享以及最新刑侦技术的学习环境。本文详细描述了系统的体系结构、Agent的内部结构、Agent之间的通信机制及系统特征。     

煤矿井下安全监控分站的设计及其仿真实现

为了设计一种具有低成本、低功耗、易操作、功能强且可靠性高的煤矿井下安全分站,针对煤矿安全生产实际,文章提出了采用MCS-51系列单片机为核心、具有CAN总线通信接口的煤矿井下安全监控分站的设计方案;首先给出煤矿井下安全监控分站的整体构架设计,然后着重阐述模拟量输入信号处理系统的设计过程,最后说明单片机最小系统及其键盘、显示、报警、通信等各个组成部分的设计;为验证设计方案的可行性与有效性,使用Proteus软件对设计内容进行仿真验证,设计的煤矿井下安全监控分站具有瓦斯、温度等模拟量参数超标报警功能和电机开停、风门开闭等开关量指示功能;仿真结果表明:设计的煤矿井下安全监控分站具有一定的实际应用价值.     

View-based model-driven architecture for enhancing maintainability of data access services

In modern service-oriented architectures, database access is done by a special type of services, the so-called data access services (DAS). Though, particularly in data-intensive applications, using and developing DAS are very common today, the link between the DAS and their implementation, e.g. a layer of data access objects (DAOs) encapsulating the database queries, still is not sufficiently elaborated, yet. As a result, as the number of DAS grows, finding the desired DAS for reuse and/or associated documentation can become an impossible task. In this paper we focus on bridging this gap between the DAS and their implementation by presenting a view-based, model-driven data access architecture (VMDA) managing models of the DAS, DAOs and database queries in a queryable manner. Our models support tailored views of different stakeholders and are scalable with all types of DAS implementations. In this paper we show that our view-based and model driven architecture approach can enhance software development productivity and maintainability by improving DAS documentation. Moreover, our VMDA opens a wide range of applications such as evaluating DAS usage for DAS performance optimization. Furthermore, we provide tool support and illustrate the applicability of our VMDA in a large-scale case study. Finally, we quantitatively prove that our approach performs with acceptable response times.     

A pragmatic multi-method investigation of discrepant technological events: Coping,attributions, and ‘accidental’ learning

Discrepant technological events or situations that entail a problem, a misunderstanding or a difficulty with the Information Technology (IT) being employed, are common in the workplace, and can lead to frustration and avoidance behaviors. Little is known, however, about how individuals cope with these events. This paper examines these events by using a multi-method pragmatic approach informed by coping theory. The results of two studies – a critical incident study and an experiment – serve to build and test, respectively, a theoretical model that posits that individuals use a variety of strategies when dealing with these events: they experience negative emotions, make external attributions, and adopt engagement coping strategies directed at solving the event, eventually switching to a disengagement coping strategy when they feel they have no control over the situation. Furthermore, users’ efforts may result in ‘accidental’ learning as they try to overcome the discrepant IT events through engagement coping. The paper ends with a discussion of the results in light of existing literature, future opportunities for research, and implications for practice.     

Call for Papers The 6^th International Conference on Grid and Cooperative Computing

Recent years have seen rapid advances in various grid-related technologies, middleware, and applications. The GCC conference has become one of the largest scientific events worldwide in grid and cooperative computing. The 6th international conference on grid and cooperative computing (GCC2007) Sponsored by China Computer Federation (CCF),Institute of Computing Technology, Chinese Academy of Sciences (ICT) and Xinjiang University ,and in Cooperation with IEEE Computer Soceity ,is to be held from August 16 to 18, 2007 in Urumchi, Xinjiang, China.     

The Distributed Time-Triggered Simulation Scheme: Core Principles and Supporting Execution Engine

Distributed real-time simulation is a young technology field but its practice is under increasing demands. In recent years the author and his collaborators have been establishing a new approach called the distributed time-triggered simulation (DTS) scheme which is conceptually simple and easy to use but widely applicable. The concept was initiated in the course of developing a new-generation object-oriented real-time programming scheme called the time-triggered message-triggered object (TMO) programming scheme. Some fundamental issues inherent in distributed real-time simulation that were learned during recent experimental studies are discussed along with some approaches for resolving the issues. An execution engine developed to support both the TMOs engaged in control computation and the TMOs engaged in DTS is also discussed along with its possible extensions that will enable significantly larger-scale DTSs.     

Software-Konfigurationsmanagement in großen Softwareprojekten

Zusammenfassung Mit zunehmender Größe der Softwaresysteme verschärfen sich die für die Software-Herstellung typischen Probleme: Beherrschen großer Objektmengen, Erhalten der Systemkonsistenz, Kontrolle der ständigen Änderungseinflüsse und Gewährleisten einer langen Lebensdauer. Die Disziplin Konfigurationsmanagement bildet den methodischen Ansatz, diese Probleme besser zu beherrschen. Software-Konfigurationsmanagement faßt die Herstellung von Softwaresystemen als eine Abfolge von kontrollierten Änderungen an gesicherten Zwischen- und Endergebnissen auf. Dargestellt werden die Objekte und Funktionen des Software-Konfigurationsmanagements sowie die hierfür in großen Software-Projekten benötigten Methoden, Instanzen und Hilfsmittel.     

Information for Authors

正http://www.zju.edu.cn/jzus http://www.springerlink.com Aim The Journals of Zhejiang University-SCIENCE(A/B/C)are edited by the international board of distinguished Chinese and foreign scientists,and are aimed to present the latest developments and achievements in scientific research in China and     

Editorial:Brain-machine interface(BMI) and cyborg intelligence

正Brain-machine interfaces(BMIs)aim at building a direct communication pathway between the brain and an external device,and represent an area of research where significant progress has been made during the past decade.Based on BMIs,mind information can be read out by neural signals to control     

Information for Authors

正http://www.zju.edu.cn/jzus http://www.springerlink.com Aim The Journals of Zhejiang University-SCIENCE(A/B/C)are edited by the international board of distinguished Chinese and foreign scientists,and are aimed to present the latest developments and achievements in scientific research in China and overseas to the world’s scientific circles,especially to stimulate     

SCIENCE CHINA Information Sciences SUBJECT INDEX TO VOLUME 57(2014)

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