The authors discusse several problems about the application of natural language processing to knowledge information searching and extraction, and dissertate the questions of concept labeling and perfecting the technology of repository based on dictionary.

Development of Enterprise-wide Knowledge Search Platform Based On the Three-level Metadata-driven Model;

Aiming at the emergence of the knowledge search engine,this paper points out that the knowledge search is an intelligent retrieval technique based on natural language,including five main factors such as creation,evaluation,use,sharing and accumulation.

The functions of CNKI knowledge searching platform are briefly introduced,and the characteristics are expounded emphatically.

Web content mining and Web information search method;

A Study on Social Network Model and Its System of Market Opportunity Information Search

The mode of website information search and services was put forward.

Research for mobile agent-based information searching system;

This article firstly introduces the shortcoming of C/S model information searching,then talks about the basic concept of mobile Agent and its characters,and then builds a mobile agent-based information searching model to deal with network information searching.

The general searching engine such as YAHOO differs greatly from Internet information searching used in a given industry field.

This paper introduces OJOSE and CNKI knowledge search and analyzes features of them.