A comparative research on traditional information retrieval and Internet information retrieval is made.The concept of search unit on the Internet is presented.The paper then describes the general principle of hierarch...A comparative research on traditional information retrieval and Internet information retrieval is made.The concept of search unit on the Internet is presented.The paper then describes the general principle of hierarchical search used by traditional information retrieval on the Internet in establishing retrieval strategies.展开更多
文摘A comparative research on traditional information retrieval and Internet information retrieval is made.The concept of search unit on the Internet is presented.The paper then describes the general principle of hierarchical search used by traditional information retrieval on the Internet in establishing retrieval strategies.