Internet;
information retrieval;
online retrieval/cost benefit analysis;
D O I:
10.16353/j.cnki.1000-7490.2001.05.018
中图分类号:
G354 [情报检索];
学科分类号:
1205 ;
摘要:
From the angle of cost and benefit,this paper describes two important methods for sharing information resources-online retrieval and Web retrieval.Their current characteristics are qualitatively analyzed.Some inspirations drawn from cost benefit analysis are given.