With visual studio.NET development platform，C#，XML, a network subject knowledge database system has been designed and developed.Key techniques such as HTML Web pages metadata acquisition and XML files production，knowledge point mining，data fast transformation between XML files of network subject knowledge and relation database are researched in this paper.
谈春梅,段卫华,曹松强. 网络专题知识库关键技术的研究与实现*[J]. 现代图书情报技术, 2009, 25(4): 70-74.
Tan Chunmei,Duan Weihua,Cao Songqiang. Research and Realization of Key Techniques of Network Subject Knowledge Database. New Technology of Library and Information Service, 2009, 25(4): 70-74.