With the development and popularization of Internet technology,the virtual library is paid more and more attention to b y the network users.This article describes 5 technologies available at present t o construct the ...With the development and popularization of Internet technology,the virtual library is paid more and more attention to b y the network users.This article describes 5 technologies available at present t o construct the virtual library,that is,Z39 50 information retrieval standard,w e b search engine,robot search program,website mirror and URL link of related reso urces.展开更多
文摘With the development and popularization of Internet technology,the virtual library is paid more and more attention to b y the network users.This article describes 5 technologies available at present t o construct the virtual library,that is,Z39 50 information retrieval standard,w e b search engine,robot search program,website mirror and URL link of related reso urces.
