首页 | 本学科首页   官方微博 | 高级检索  
相似文献
 共查询到20条相似文献,搜索用时 468 毫秒
1.
专业信息服务网站的开展研究   总被引:2,自引:0,他引:2  
  相似文献   

2.
网络信息用户需求的特点与利用特征及规律浅析   总被引:18,自引:1,他引:18  
丁宇 《情报理论与实践》2003,26(5):412-414,446
The article puts forward the general meaning and traits of users‘ demand for network information. Mean-while, in order to satisfy the users‘ demand for network information better, it also analyzes the characteristics and rules of the users in acquiring and utilizing network information.  相似文献   

3.
基于模糊数学分析方法的网络信息资源评价研究   总被引:13,自引:1,他引:13  
The paper outlines the characteristics of network information resources and the significance of making evaluation of them. It points out the present situation in China in evaluating network information resources and finally constructs a mathematical model for comprehensive evaluation of network information resources by using fuzzy mathematics method.  相似文献   

4.
网络隐私保护策略分析   总被引:9,自引:0,他引:9  
In the light of the present status of network privacy violations, this paper analyzes the network privacy protection strategies in USA and Europe, and puts forward some strategies that may be adopted in China.  相似文献   

5.
网络信息资源的无限共享模式   总被引:22,自引:1,他引:22  
黄郴 《情报理论与实践》2001,24(2):84-85,114
Network is a new environment of information resources sharing. This paper analyzes the problems now existing in the construction of network information resources and in network information resources sharing. It also puts forward some proposals for constructing a pattern of unlimited sharing of network information resources.  相似文献   

6.
信息网络的伦理学研究   总被引:5,自引:1,他引:5  
This article analyzes the types and sources of network ethics problems; puts forward 4 basic principles and 6 pairs of contradictions in building up network ethics and points out that strengthening the network moraliity education is the basis for building up network ethics.  相似文献   

7.
Network science has atracted much atention in recent years due to its interdisciplinary applications. We witnessed the revolution of network science in 1998 and 1999 started with small-world and scale-free networks having now thousands of high-proile publications, and it seems that since 2010 studies of‘network of networks'(NON), sometimes called multilayer networks or multiplex, have atracted more and more atention. he analytic framework for NON yields a novel percolation law for n interdependent networks that shows that percolation theory of single networks studied extensively in physics and mathematics in the last 50 years is a speciic limit of the rich and very diferent general case of n coupled networks. Since then, properties and dynamics of interdependent and interconnected networks have been studied extensively, and scientists are inding many interesting results and discovering many surprising phenomena. Because most natural and engineered systems are composed of multiple subsystems and layers of connectivity, it is important to consider these features in order to improve our understanding of such complex systems. Now the study of NON has become one of the important directions in network science.In this paper, we review recent studies on the new emerging area—NON. Due to the fast growth of this ield, there are many deinitions of diferent types of NON, such as interdependent networks,interconnected networks, multilayered networks, multiplex networks and many others. here exist many datasets that can be represented as NON, such as network of diferent transportation networks including light networks, railway networks and road networks, network of ecological networks including species interacting networks and food webs, network of biological networks including gene regulation network,metabolic network and protein–protein interacting network, network of social networks and so on. Among them, many interdependent networks including critical infrastructures are embedded in space, introducing spatial constraints. hus, we also review the progress on study of spatially embedded networks. As a result of spatial constraints, such interdependent networks exhibit extreme vulnerabilities compared with their non-embedded counterparts. Such studies help us to understand, realize and hopefully mitigate the increasing risk in NON.  相似文献   

8.
The library network system is the basic construction project applied in the "211 Project" of Huazhong University of Science and Technology. This article mainly deals with the configuration method and the management of ATM network.  相似文献   

9.
社会网络分析法可以分为不同的分析层次。本文首先论述三方关系组方法的原理,并将其应用到引用网络结构的研究中,分析各种三方关系类型在引用网络中的具体意义。以SSCI收录的18种图书情报学期刊近10年的文章为数据源,运用三方关系组揭示了图书情报领域高产作者引用网络的内部结构,通过计算不同类型聚类系数研究了网络整体结构倾向。
Abstract:
Methods of social network analysis can be divided into different levels.This article first describes the principle of the triad census method,applies it in the research on the structure of citation network,and analyzes the specific significance of various triad census types in citation network.Taking the papers published by the 18 types of journals of library and information science in recent 10 years and included by SSCI as data sources,the article uses the triad census to reveal the internal structure of the citation network of the high-yield authors in the library and information science field,and by calculating the different types of clustering coefficients,studies the trend of the whole network structure.  相似文献   

10.
Network science has atracted much atention in recent years due to its interdisciplinary applications. We witnessed the revolution of network science in 1998 and 1999 started with small-world and scale-free networks having now thousands of high-proile publications, and it seems that since 2010 studies of‘network of networks'(NON), sometimes called multilayer networks or multiplex, have atracted more and more atention. he analytic framework for NON yields a novel percolation law for n interdependent networks that shows that percolation theory of single networks studied extensively in physics and mathematics in the last 50 years is a speciic limit of the rich and very diferent general case of n coupled networks. Since then, properties and dynamics of interdependent and interconnected networks have been studied extensively, and scientists are inding many interesting results and discovering many surprising phenomena. Because most natural and engineered systems are composed of multiple subsystems and layers of connectivity, it is important to consider these features in order to improve our understanding of such complex systems. Now the study of NON has become one of the important directions in network science.In this paper, we review recent studies on the new emerging area—NON. Due to the fast growth of this ield, there are many deinitions of diferent types of NON, such as interdependent networks,interconnected networks, multilayered networks, multiplex networks and many others. here exist many datasets that can be represented as NON, such as network of diferent transportation networks including light networks, railway networks and road networks, network of ecological networks including species interacting networks and food webs, network of biological networks including gene regulation network,metabolic network and protein–protein interacting network, network of social networks and so on. Among them, many interdependent networks including critical infrastructures are embedded in space, introducing spatial constraints. hus, we also review the progress on study of spatially embedded networks. As a result of spatial constraints, such interdependent networks exhibit extreme vulnerabilities compared with their non-embedded counterparts. Such studies help us to understand, realize and hopefully mitigate the increasing risk in NON.  相似文献   

11.
以复杂网络为背景,研究在网络动态变化下的知识转移博弈行为.构建了基于复杂网络的知识元进化博弈模型,对整个博弈进化过程进行仿真模拟,并求出了稳定进化策略.研究发现,初始博弈策略的选择对知识转移网络的产生具有重要影响.随着知识元“转移”策略博弈方比例的升高,网络连接数增多,均衡状态实现得越快.研究为知识管理实践者主动构建知识转移网络提供了理论依据.  相似文献   

12.
主要网络游戏类型及盈利模式的研究   总被引:4,自引:1,他引:4  
网络游戏的快速发展产生不同种类的网络游戏类型。本文就主要的几种网络游戏类型进行了讨论,井分析该种类型下游戏的盈利模式。  相似文献   

13.
宾宁  冼文峰  胡凤 《现代情报》2016,36(12):30-35
论文将关系层次作为重要变量加入到社交网络信息传播模型中,分析社交网络用户传播信息时的成本、收益和策略选择。在基于关系层次的基础上,引入强弱关系,建立强弱传播演化博弈、基于关系层次的强弱传播静态博弈、基于关系层次的强弱传播混合策略博弈、基于关系层次的强弱恶意传播博弈等多个博弈模型,分析关系层次和强弱关系对社交网络信息传播的共同影响。  相似文献   

14.
焦雪 《现代情报》2011,31(12):156-158
网络参考咨询是传统咨询服务架构在网络这一新媒介上的新事物。在网络咨询中,存在着一种不完全信息动态博弈的模式,本文基于不完全信息动态博弈的理念,对网络咨询工作进行了分析,认为信息隐匿是造成博弈失败的主要原因,并提出了相应的解决对策。  相似文献   

15.
张振珠 《科教文汇》2013,(15):181-182
随着电脑的大众化,网络游戏在大学生中越来越流行,对人生观、价值观、世界观还不成熟的大学生产生了越来越重要的影响。本文分析了网络游戏在大学生中流行的原因,对大学生产生的积极和消极影响,最后阐述了大学生及教育工作者应如何对待网络游戏。  相似文献   

16.
网络游戏中的奖励设计问题既关系到玩家的满意程度,也关系到虚拟游戏世界的平衡和稳定,科学的设计网络游戏奖励能提高玩家的满意度,吸引更多的玩家。本文引用经济学中的基尼系数和洛伦茨曲线直观表现网络游戏的平衡度,并将影响游戏平衡度的基本因素和额外因素归一化后加权度量,同时利用模糊综合评价理论将满意度量化,建立改进的P-E模型综合评价玩家的满意度,网络游戏可通过放宽任务时间,提高小概率奖励的发放量和提高影响满意度中权重较大的任务奖励三个方面来提高玩家的满意度。  相似文献   

17.
[目的/意义]旨在加强网络舆情参与主体的协同,提高对网络舆情的控制和引导能力,营造良好的网络环境。[方法/过程]基于博弈论思想和生态学中的共生理论,从舆情主体角度考虑,通过对各阶段博弈模型的分析和求解,深入挖掘网络舆情发展路径中各个博弈方的最稳定选择,构建网络舆情协同共生机制。[结果/结论]提出强化共生单元协同交互功能、营造正向共生环境、打造对称互惠一体化协同模式等对策,为政府和社会对网络舆情的引导和应对提供决策支持。  相似文献   

18.
网络游戏蕴含的价值特点深刻地影响着青少年的价值观,在促进青少年合作意识、规则意识和包容意识形成的同时,降低了青少年对生命的敬畏感,淡化了青少年的责任意识。当前应通过规范网络游戏的价值取向、完善网络游戏入市审批制度等措施,为青少年营造健康、绿色的游戏环境,促进青少年健康成长。  相似文献   

19.
随着网络科技的发展,网络游戏内置广告这一网络广告的新形式,越来越受到游戏商家及广告主的重视,其自身的独特性使其与传统的网络广告相比有了很大的差别,传统网络广告与网络游戏内置广告有何区别,网络游戏内置广告有何特点,现存的网络游戏内置广告有何不足,如何改进,这是广大网络游戏内置广告主所关心的问题。  相似文献   

20.
为了更有效地治理技术创新网络中机会主义行为,将第三方监督机构引入模型,构建"第三方监督机构—核心企业—非核心企业"三方博弈模型,运用演化博弈方法探讨在第三方监督机构和核心企业共同治理下机会主义的演化规律。研究发现,第三方监督机构与核心企业在治理机会主义问题上存在互补关系,保持第三方监督机构监督概率处于一定值之上、提高惩罚额度有利于降低非核心企业采取机会主义的可能性。  相似文献   

设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号