This paper describes a multi-user on-lineretrieval system, which was developed and used to process library document information in people's university.
本文叙述了一个图书文献情报多用户联机检索系统。
2
Methods for on-lineretrieval and consulting of chemical information from Internet were summarized, meanwhile some outstanding chemical web sites are listed.
简要概括了互联网上化工信息检索和查询的方法,并列举了一些优秀的化工网站。
3
There are three concepts in information online search:(user's)question concept, indexing concept, retrieval concept.