In this paper,the history of evolution of cooperative information retrieval in library and information science and computer science has been discussed by the time sequence,and the realistic needs have been explored in some practical fields.

Research of the improved semidiscrete decomposition on web page information retrieval;

Research on the information retrieval technique in mechanical design based on semantic web;

Model of information retrieval system based on ontology;

Information Search of Web 2.0 Websites;

Internet information search field meta-search engine results selection strategy;

A novel DHT-based multiple keywords information search model in P2P networks;

Multi-layers Web information searching for innovative design;

Application of information searching mode based on intelligent agent in digital city;

Research on information searching based on BNR;

Study on Key Technologies of Text Information Organization for Information Retrieve

This paper gives a comprehensive analysis on the cross language information retrieve module and the special technical requiremen t,and develop a 《Mammal》experiment system that is based on the Encyclopaedia B ritannica.

A XML index for path query and IR;

Design of personalized IRS based on Agent;

Information Retrieval (IR) is a procedure to extract related information and documents from data sets.