In view of the teaching problems of document retrieval courses in colleges and universities,and the characteristics of information age,it is put forword that document retrieval courses in colleges and universities should put emphasis on cultivation of students information-obtaining capacity,information-using capacity and innovation capacity.

Research on the intelligent information acquisition system based on the semantic Web mining;

Research of new quality information acquisition method in manufacturing based on;

Power Management and Information Acquisition for Pocket PC 2005;

From a dialectical materialist point of view,this paper attempts to analyzes the intrinsic qualities of the techniques for information obtaining,and illustrates the corresponding psychological bases,and then proves some instructive conclusions of obtaining information.

This paper is mainly about the comment of college students employment technology consultation namely career development, information obtaining, personal data-preparing, state policies, interview, formality go through and social adaptive capacity is coached etc.

The supporting functions of Executive Information System in top management of universities are analyzed from the view of information obtaining and working validity.

The investigation intelligence is the ability of investigators using knowledge,experience to investigate which can manifest many formsi n which the most basic form is obtaining information.

Research and implementation of semantic-based information retrieval platform;

Agent-based Distributed Information Retrieval Model and Its Imple mentation;

This paper analyzes on the reasons of the lower efficiency of search engineer in the information retrieval,based on the risk representation formalization model advanced by Lafferty and others,advances the cognition model of the risk representation,and analyzes and discusses on the calculable problem of risk function R in this model.