共查询到18条相似文献,搜索用时 125 毫秒
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基于关联规则的Web挖掘技术研究 总被引:1,自引:1,他引:0
关联规则是Web挖掘中一个重要的研究领域。为了挖掘出隐藏在数据间的相互关系,将关联规则的概念引入到Web挖掘系统中,把用户的访问路径以关联规则的形式表现出来。基于Apriori算法的思想,给出了适合Web挖掘用户访问的新Apriori算法规则及其模式,最后将结果在一些较简单的网页上进行了验证,取得了较好的应用效果。 相似文献
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国伟 《信息技术与信息化》2012,(6)
一个网站有多个网页组成,网站上的信息分布在这些网页上,不同的用户对不同的网页上的信息感兴趣,如何满足用户对敏感网页的高效访问,我们提出一个基于使用挖掘的Web站点个性化信息服务系统来解决问题.利用Web使用挖掘技术来分析用户的浏览模式,根据用户的当前访问需要,自动实时地为用户提供推荐页面,实现个性化服务. 相似文献
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一种基于用户访问模式优化网站结构的算法 总被引:1,自引:2,他引:1
提出一种算法,通过挖掘Web日志中的关联规则,发现用户访问兴趣间的关联度和站点拓扑结构的不一致,并结合网站既有的拓扑结构,对于通常在用户的某次浏览过程中同时被访问.但在网站拓扑中相距较远的内容页面集,增加页面间的直接链接,最终实现网站系统结构的调整、优化,提高网站的访问效能。 相似文献
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《现代电子技术》2016,(10):69-72
为了满足不同用户浏览网页的特定需求,解决传统浏览器可移植性差、效率较低的问题,设计并实现一种折叠式内容可关联的浏览器。给出折叠式内容可关联浏览器的总体结构,通过网络模块获取用户所需的网页资源,利用关联规则挖掘算法对某一特定信息进行进一步的搜索,使用户得到更多的关联信息。通过解析模块对得到的资源进行解析,将解析的结果发送至显示模块中,显示模块利用解析模块发送来的显示对象,调用GUI,引入柔性折叠算法进行显示排版,使用户在较小的屏幕空间中可流畅地浏览一些大规格信息,通过用户接口模块响应用户的遥控操作。仿真实验结果表明所设计的浏览器不仅具有很高的搜索效率,而且所占内存较低,能够很好地满足用户的使用需求。 相似文献
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WWW是目前使用最为广泛的Internet信息服务系统。存放WWW信息的Web文档称作超文本或超媒体,包含各种多媒体对象和指向其他Web文档的指针(超级链接或超链),这些链接"指引"用户进一步读取存放在其他Web服务器上的信息,那些服务器又指引更多的服务器。这样,在环球范围内Web服务器互相指引而形成的信息网便出现了。WWW为用户提供了一个搜索和浏览信息的工具、但WWW是一个信息的海洋,数亿万计的Web文档散布在世界各地的成千上万个Web服务器上,并且每个服务器自主管理自己的资源.没有一个统一的管理机制.因此要在Web上搜索所需… 相似文献
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Ken C. K. Lee Wang‐Chien Lee Sanjay Madria 《Wireless Communications and Mobile Computing》2008,8(1):25-44
The rapid advance of wireless and portable computing technology has brought a lot of research interests and momentum to the area of mobile computing. One of the research focus is on pervasive data access. With wireless connections, users can access information at any place at any time. However, various constraints such as limited client capability, limited bandwidth, weak connectivity, and client mobility impose many challenging technical issues. In the past years, tremendous research efforts have been put forth to address the issues related to pervasive data access. A number of interesting research results were reported in the literature. This survey paper reviews important works in two important dimensions of pervasive data access: data broadcast and client caching. In addition, data access techniques aiming at various application requirements (such as time, location, semantics and reliability) are covered. Copyright © 2006 John Wiley & Sons, Ltd. 相似文献
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The notion of self-similarity has been shown to apply to wide-area and local-area network traffic. We show evidence that the subset of network traffic that is due to World Wide Web (WWW) transfers can show characteristics that are consistent with self-similarity, and we present a hypothesized explanation for that self-similarity. Using a set of traces of actual user executions of NCSA Mosaic, we examine the dependence structure of WWW traffic. First, we show evidence that WWW traffic exhibits behavior that is consistent with self-similar traffic models. Then we show that the self-similarity in such traffic can be explained based on the underlying distributions of WWW document sizes, the effects of caching and user preference in file transfer, the effect of user “think time”, and the superimposition of many such transfers in a local-area network. To do this, we rely on empirically measured distributions both from client traces and from data independently collected at WWW servers 相似文献
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World-WideWeb(简称WWW或Web)的迅速增长及其信息形式的多样性,使得人们渴望能有新的工具帮助他们去寻找网上信息。本文介绍了一种基于客户搜索的代理机制,它代表用户浏览Web,并可以根据用户对网页的反馈自动调整,以期在下一次搜索中能输出更好的网页。在给出系统的设计后,我们讨论了它的优点及其局限性。 相似文献
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Jing Bai Yonghong Zhang Bing Dai 《IEEE transactions on information technology in biomedicine》1998,2(2):74-79
The objective of the medical teleconsultation system presented in this paper is to demonstrate the use of the World Wide Web (WWW) for telemedicine and interactive medical information exchange. The system, which is developed based on Java, could provide several basic Java tools to fulfill the requirements of medical applications, including a file manager, data tool, bulletin board, and digital audio tool. The digital audio tool uses point-to-point structure to enable two physicians to communicate directly through voice. The others use multipoint structure. The file manager manages the medical images stored in the WWW information server, which come from a hospital database. The data tool supports cooperative operations on the medical data between the participating physicians. The bulletin board enables the users to discuss special cases by writing text on the board, send their personal or group diagnostic reports on the cases, and reorganize the reports and store them in its report file for later use. The system provides a hardware-independent platform for physicians to interact with one another as well as to access medical information over the WWW 相似文献
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