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协同集成设计环境的通信支持若干问题研究 总被引:3,自引:1,他引:2
首先提出了一种直接建立在现有CAD应用内核之上的进程间通信模型,并通过实验研究对此进行了验证。然后提出了支持协同集成设计的通信协议集的一种基本框架。最后研究了对工程中大规模复杂CAD图形数据进行协议映射和动态传输的基本方法。实践证明,比现有交换数据文件和传输应用界面方法,在网络通信的时间/空间效率上具有显著优势。* 相似文献
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一个协同应用开发平台的设计——DICSE 总被引:7,自引:0,他引:7
随着 C S C W 研究与开发的迅速进展,对于能够支持各种类型协同应用开发的通用 C S C W平台的需求也越来越迫切。这种平台不但应提供能减轻开发者开发负担必需的服务,而且应给开发者提供足够的灵活性以方便应用程序的构造。本文以对协同应用系统中数据流动特征的分析为基础,从对数据进行协同控制的角度,介绍协同应用开发平台 D I C S E。文中将详细介绍其协作模型、所提供的服务、体系结构及关于实现上的一些问题。 相似文献
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信息爆炸在今天看来不再是一个陌生的词汇,的确如此各行业无疑是在计算机技术的推动下取得稳定发展。在众多行业中对于会计审计工作,不再采用手工登账的方式,更加有效的计算机系统被开发出来,广泛应用于会计审计当中,面向服务架构的计算机审计系统越来越发挥对账目管理的重要作用。 相似文献
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在面对网络信息的海洋时,元数据注册系统这个新兴的数据标准化机制将对信息资源的利用产生深刻的影响,并在世界范围内得到各方面的共同关注.介绍了元数据和元数据注册系统的基本概念,并提出了面向网络和服务的元数据注册系统的体系结构. 相似文献
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协同科学的新发展:计算机支持的协同工作(CSCW)——代前言 总被引:4,自引:0,他引:4
1 从协同科学到CSCW“协同科学”作为一门新兴的学科,其形成和发展的历史并不很长。但它作为一门研究完全不同的学科中存在着的共同本质特征的横断学科,从自然科学、技术科学到社会科学的广泛领域中都有它的足迹,已成为将各种学科联系起来的桥梁和纽带。爱因斯坦曾指出“如果不相信我们世界的内在和谐性,那就不会有任何科学”。协同就体现着这种内在的和谐性。今天,各个不同的学科,诸如物理学、化学、生物学、医学、信息学、军事学、社会学、经济学、组织科学等,都在从不同的角度研究协同现象,研究本学科范围内或相关交叉学科… 相似文献
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本文基于电视台应用系统整合的实际情况,探讨了在多厂商协同开发情况下,整合遗留系统的几种方式,包括同质紧耦合、异质松耦合和基于SOA的同质松耦合等方式。 相似文献
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本文基于电视台应用系统整合的实际情况,探讨了在多厂商协同开发情况下,整合遗留系统的几种方式,包括同质紧耦合、异质松耦合和基于SOA的同质松耦合方式。 相似文献
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网络技术和计算机仿真技术发展对高效灵活地构建仿真系统提出了更高的要求。文中将面向服务技术和仿真应用支撑技术相结合,提出了面向服务的仿真支撑平台体系结构,并对仿真支撑平台应用模式和需重点关注的关键技术问题进行了研究。 相似文献
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《中国邮电高校学报(英文版)》2014
Real-time collaborative editing systems are important groupware tools in the computer supported cooperative work (CSCW) field. They support geographically dispersed users to edit shared files, graphics, etc. simultaneously. Currently popular real-time collaborative editing systems mostly use plain text data for edit and synchronization, and the corresponding operations are deleting, adding or modifying characters. The data acquisition system's metadata in this article is the module, such as deleting, adding or modifying a certain question. On the basis of differential synchronization algorithms and generic operation transformation (GOT) algorithm, this paper proposes a new concurrency control algorithm differential synchronization and generic operation transformation control algorithm (DSGOT). 相似文献
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Da Wang Chen Chen Lin Bai Jianhua He Ye Jin Ying Li 《Wireless Communications and Mobile Computing》2014,14(15):1484-1499
With careful calculation of signal forwarding weights, relay nodes can be used to work collaboratively to enhance downlink transmission performance by forming a virtual multiple‐input multiple‐output beamforming system. Although collaborative relay beamforming schemes for single user have been widely investigated for cellular systems in previous literatures, there are few studies on the relay beamforming for multiusers. In this paper, we study the collaborative downlink signal transmission with multiple amplify‐and‐forward relay nodes for multiusers in cellular systems. We propose two new algorithms to determine the beamforming weights with the same objective of minimizing power consumption of the relay nodes. In the first algorithm, we aim to guarantee the received signal‐to‐noise ratio at multiusers for the relay beamforming with orthogonal channels. We prove that the solution obtained by a semidefinite relaxation technology is optimal. In the second algorithm, we propose an iterative algorithm that jointly selects the base station antennas and optimizes the relay beamforming weights to reach the target signal‐to‐interference‐and‐noise ratio at multiusers with nonorthogonal channels. Numerical results validate our theoretical analysis and demonstrate that the proposed optimal schemes can effectively reduce the relay power consumption compared with several other beamforming approaches. Copyright © 2012 John Wiley & Sons, Ltd. 相似文献
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在分析密码服务系统固有缺陷的基础上,从面向服务系统集成的特点出发,运用SOA的思想方法,提出基于SOA的密码服务体系架构,并给出了一种基于密码服务基础套件的密码能力扩展方法,以密码服务系统在通信系统中的应用为例,给出了基于SOA架构的密码服务系统组成构件以及密码服务系统工作的基本流程,同时给出了SOA架构密码系统与传统架构密码系统保密互通的实现思路。 相似文献
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Deepika Sharma Gagangeet Singh Aujla Rohit Bajaj 《International Journal of Communication Systems》2023,36(12):e4058
The evolution of intelligent and data-driven systems has pushed for the tectonic transition from ancient medication to human-centric Healthcare 4.0. The rise of Internet of Things, Internet of Systems, and wireless body area networks has endowed the health care ecosystem with a new digital transformation supported by sophisticated machine learning and artificial intelligence algorithms. Under this umbrella, health care recommendation systems have emerged as a driver for providing patient-centric personalized health care services. Recommendation systems are automatic systems that derive the decisions on the basis of some valid input parameters and vital health information collected through wearable devices, implantable equipments, and various sensor. Therefore, to understand the state-of-the-art developments in the health care ecosystem, this paper provides a comprehensive survey on health care recommendation systems and the associated paradigms. This survey starts from the ancient health care era and move toward the Healthcare 4.0 in a phased manner. The road map from Healthcare 1.0 to Healthcare 4.0 is analyzed to highlight different technology verticals supporting the digital transformation. This study also provides the systematic review of the health care systems, the types of health care systems, and the recommender systems. Moreover, a deep analysis of health care recommender systems and its types is also presented. Finally, the open issues and challenges associated with the adaption and implementation of human-centric Healthcare 4.0 ecosystem are discussed. This is provided to find out the possible research questions and gaps so that the corresponding solutions could be developed in the near future. 相似文献