From the angle of cost and benefit,this paper describes two important methods for sharing information resources—online retrieval and Web retrieval.Their curren
The article analyzes the structures and types of Web page hyperlinks, describes their characteristics and functions, and discusses how to optimize hyperlink str
With an analysis of the main document databases, this paper discusses the combined retrieval models used under the multi-restrictive conditions by use of the co
The characteristics and development ofcluster technology are briefly introduced. The requirement for cluster technolgv, the grade of availability, the advantage