This paper analyzes the information systems from the angles of system structure , document feature representation and user profiles . this paper also includes the work as follows : 1 本文致力于从internet上信息检索系统的系统结构、文档特征表示、用户个性化模式的表示等三个角度来分析，主要包括以下工作： 1
The paper has systematically studied the key technology dealing with the agent - based personalized active information service and puts forward an internet information retrieval system model for the multi - agent 本文系统地研究了基于agent的个性化主动信息服务中所涉及的关键技术，提出了一种基于multi - agent的internet信息检索系统模型。
With the exponentially growing amount of information on the internet , the information retrieval systems on the internet - - search engines become the main tools to help people get information from the www 由于internet上的信息具有数量庞大、无序性强、重复性大的特点，互联网上的各种信息检索系统? ?搜索引擎成为帮助人们上网获取信息的主要工具。
This paper researches into the basic theories of information retrieval and full - text database , which has theoretic significance in a way , and the implementation of the system has considerable engineering applied significance 本课题对信息检索、全文数据库基本理论的研究具有一定的理论意义， “油田信息网信息检索系统”的完成具有一定的工程实用价值。
With the rapid development of internet , lots of information retrieval system have been designed and realized . people hope to acquire information wholly and rapidly by the multifunctional and intelligent information retrieval system 随着internet的迅速发展，各种信息检索系统应运而生，人们希望能通过多功能、智能化的检索系统来全面、快速地获取所关心的信息。
( 3 ) we studied and compared different solutions of implementing distributed information retrieving system in internet , and analysed the advantages and drawbacks in developping distributed application systems using mobile agent technology ( 3 )对internet上分布式信息检索系统不同的实现方案进行了比较研究，指出了用移动agent技术开发计算机应用系统的优势和不足。
This application system is a distributed information management system , so the infrastructure may be applied to other information management system , distributed network management , secure agent and e - commerce system easily 该系统实际上是一个分布式信息检索系统，因此，所建立的体系结构也很容易推广到其它类型的系统，如信息检索、分布式网络管理、安全代理和电子商务。
In part four i mainly design the system of personalized information retrieval in digital library including its procedures and algorithm . i narrate the innovative points , insufficiency and the further research of this article in section five 第四部分主要通过一个个性化信息检索系统的设计，说明系统设计的开发步骤和相关的算法，以期能为程序开发人员提供一些有意义的参考。
Analying the information retrieval systems on the internet chapter 1 and chapter 2 mainly analyze development and trend of information retrieval systems on the internet , and gives introduction about key technology and relevant knowledge 对现有的信息检索系统进行分析分析了当前internet上信息检索系统的发展过程和发展趋势，并分析了信息检索系统所涉及的关键技术及相关知识。
The relationship between modernization of editing means and regularization of editing work is explored from the influence of regularization of editing work on editing work efficiency ; quality ; editing on net ; copyright protection and message index system 作者从编辑工作规范化对提高编辑工作效率和刊物的质量、实现网上编辑、保护“著作权”以及信息检索系统建立等方面的影响，论述了编辑工作规范化的意义。
