基于JXTA的分布式资源目录搜索模型的研究与实现

【作者】 崔韦；

【导师】 马希荣；

【作者基本信息】 天津师范大学 ， 计算机应用， 2006， 硕士

【摘要】 P2P是当今互联网上最热门的技术之一，P2P技术及其在各方面的应用正在改变传统互联网的规则乃至人们的日常生活。搜索引擎技术现已经是在互联网上得到了普遍关注和广泛使用。传统的搜索技术已经越来越不能够满足广大用户的需求，如何能从庞大的互联网资源，如数据库、网页、文档或音频和视频剪辑中自动准确的提取用户真正想要的信息，并发现信息之间的关联性成为搜索技术关注和竞争的焦点。将P2P技术应用于搜索被包括Google等各大搜索巨头视为今后搜索领域重要的发展方向。 本文探讨了利用混合式P2P网络模型，对分布于网络中的资源元数据进行搜索的一种方法，并采用Sun公司新一代通用P2P开发平台JXTA作为系统实现。针对分布于网络中的资源元数据格式以及系统平台的差异性，系统采用基于XML数据库构建的分布式资源目录对资源进行有效整合，并对系统通信普遍采用的XML消息格式提供了良好的支持。 P2P搜索的研究在国内外尚处于探索阶段，目前还没有较为成熟的商业应用。本文提出的针对分布式资源目录的P2P搜索方法，并且基于JXTA平台加以实现，为今后设计和开发具有较高实用价值的P2P搜索引擎系统进行了探索和设想。更多还原

【Abstract】 P2P is today one of the most popular technology, P2P technology and its application in all aspects of the Internet is changing the traditional rules and the daily lives of people. Search engine technology is already on the Internet has been widespread concern and widespread use. Traditional search technology has become increasingly unable to meet the users’ needs, how can the huge resources, such as databases, web pages, files, or audio and video editing, automatic extraction of accurate information users really want, and found the link between information technology concerns and the search of a competitive focus. P2P technology will be applied to the search, including Google search area in the future as a major search tycoon important development direction.This paper examines the use of mixed P2P network models for the distribution of resources in the network for metadata search method and the introduction of a new generation of P2P Sun JXTA as a system to achieve development platforms. In response to the distribution network resources metadata format and platform diversity, a system based on an XML database distributed resource directory of resources for effective integration and communication systems generally used XML format provided a good news.P2P is still in search of domestic and international research in the exploration stage, there is as yet no more mature commercial applications. The present list of resources for distributed P2P search methods, and based on the JXTA platform to achieve for the future design and development of high practical value of P2P search engines system and the exploration vision.更多还原