Comparative Analysis of Searching Function Between Pub Med and EMBASE.com;

From four aspects—user positioning,source predominance,searching function and academic value,the paper analyses its successful characteristics,that is very important for the public to understand and use it correctly.

It is the indispensable skill for the foreign books acquisition to master the searching function of the online booklist and make good use of the online booklist.

CBM s new version has a more powerful retrieval functions.

This paper introduces the main retrieval functions of China Journal Full-text Database (Web Edition),including the primary retrieval,advanced retrieval,special issue retrieval,and second retrieval,etc.

This paper studies the entry structures, editing methods, and retrieval functions, etc.

This paper introduces the contents,structure,features,retrieval functions and technology developments of World Textile Abstracts database,and experience and skill in practice of using and teaching are summarized.

By means of long-term practical use of this database, I have made a brief analysis of its features and retrieval functions in the areas of general introduction, scientific classification, the authority of selecting, the clarification of labeling and the simplification of use.

The paper investigated the search function of the statistic websites of China and the top six countries of UNGERR in 2005 from retrieval methods,retrieval related function and service,and output of search results.

Then, the search function of virtual library is implemented based on Active Server Pages(ASP).

Starting from the connotations of e-print archives and network e-journals, makes comparative analysis on e-print archives and network e-journals in aspects of the document format, search function, time-effectiveness, copy right issue, information communication way, origin and scope of literature collection, analyzing and judging mechanism, and degree of openness, etc.

Through a comparison of the classification characteristics,search functions,working skill of Yahoo and Google,this paper has discussed ways to evaluate search engines,and applied them in rapid and precision search for information needed.