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121.
内容中心网络(CCN)是一种革命性的网络架构,采用内容路由、网内缓存等技术来提高网络中的内容分发效率,但其自身的结构特点使之面临很多的安全问题。通过对CCN网络工作机制的研究,分析了CCN面临的非授权访问、隐私泄露、泛洪攻击等安全风险;然后,总结了每种安全风险的解决方案及各自优缺点;最后,展望了未来的研究方向。 相似文献
122.
仓储是企业物料配送的一个重要环节,如何降低仓储管理成本,提高仓储作业效率,已经成为热门的话题。讨论了无线Mesh网络技术的结构特点,在此基础上提出了基于无线Mesh网络技术的仓储解决方案,并分析了使用该仓储方案给企业带来的效益。 相似文献
123.
针对联合战术信息分发系统(JTIDS)物理层传输波形建立了MATLAB仿真模型,并对其抗白
噪声干扰、单频或阻塞式干扰,以及组网的性能进行了仿真和分析,为JTIDS系统抗干扰技
术的研究提供参考。 相似文献
124.
125.
图书馆采编工作是文献资源的收集、整理、数据加工的职能部门。网络化的发展,使得图书馆采编工作发生了转变,原来的传统采编工作已不能适应时代发展的需要,取而代之的是利用计算机、网络为工具的现代图书采编工作。本文主要针对其采访、采购、编目工作的新变化做了具体阐述。 相似文献
126.
Young Han Chun 《Public Management Review》2017,19(8):1047-1065
This article investigates the impact of management on performance in Korean schools. Drawing upon the model of Meier and O’Toole, we test the linear relationships of internal management, managerial networking, and managerial quality with multiple dimensions of performance. We also examine the nonlinear relationships between networking and performance. The results show a general consistency in the positive link between management and performance, providing evidence to support the key arguments from the model. Still, there are noticeable differences in specific findings. As one of the first applications of the Meier and O'Toole model in Asia, this study illustrates the importance of the national context in management–performance linkage. 相似文献
127.
Denis Ushakov 《美中经济评论(英文版)》2014,(4):252-265
Cities play a key role in the modem global economy. They became full-fledged (together with states, multinational corporations, and international economic organizations) subjects of international economy relationships; concentrated financial and commodity markets, enormous productive and innovative potential of humanity. The main reasons of transformation of economic importance of cities are their advantages in comparison with State economic systems. Labor and capital in urban economy systems are more mobile and productive; cities are more predisposed to create and commercialize innovations. Moreover, cities are easier to connect with international markets and world trade, which are able to reduce transport costs, to increase own investment attractiveness, and to rapidly form new types of business activities and forms of manufacturing organization. This study analyzes a current system of global cities, an intensity of inter-cities relationships, a potential of global urban system transformations in a future. 相似文献
128.
The benefits of tourism have been drawing a great deal of attention from tourists, community, and society alike. This study investigates how tourists' story sharing activities influence their post-purchase behavioral process, depending on different communication conditions. Two 2x2 between-subject experiments were conducted with recent travelers in the U.S. Results reveal tourists' post-purchase behavioral processes depend on what, how, and with whom they engage in post-trip story sharing activity. Findings contribute to the literature on purchase-driven happiness, self-enhancement, well-being, and communications by providing evidence on how different communication conditions alter the effects of tourists' story sharing on their post-purchase behavioral outcomes. Findings also suggest that destination marketers should apply strategies to encourage tourists’ story sharing activity. 相似文献
129.
Nichola Phillips 《Journal of Marketing Management》2014,30(9-10):1039-1057
AbstractThis paper seeks to assess how one SNS network may support ongoing processes of identity adaptation and explore the role of consumption references in identity negotiation on the site. Drawing on theories of the liminality of motherhood, and the identity reconstruction processes that emerge in online communities, this paper traces the complexity of identity adaptation on SNS. With focus on SNS as a platform that may enable different phases of liminality, the transition to reincorporation phase is explored, revealing how members may experience support for ongoing identity renewal. Adopting a qualitative approach and direct observation method, posts from 12 extensive mumsnet.com discussion threads were screened and analysed using qualitative content analysis. Findings show how the functionality of this SNS site may facilitate some identity reconstruction. 相似文献
130.
Knowledge sharing and firm performance: the role of social networking site and innovation capability
Rendi Hartono 《Technology Analysis & Strategic Management》2016,28(3):335-347
This study developed a framework to explore SNSs' capability as a strategic platform from which firms can overcome environmental turbulence and develop higher level knowledge sharing and firm performance output. The moderating effects of two types of innovation capability, product development capability and operational capability, were taken into consideration. We propose that SNSs' capability paired with strong product development capability is the key to improving knowledge sharing performance. SNSs' capability paired with strong operational capability can improve firm performance by advancing incremental innovation processes. Drawing upon the literature regarding information systems, knowledge management, and firm innovation, we propose a conceptual model adopted from the environment-strategy-performance framework to explore how these key factors interact to determine the fate of a firm. 相似文献